5,274 Nuclear Physics jobs in the United States

The Low-Energy Nuclear Physics Research Group (LER) of the Physics Division at Argonne National Laboratory seeks outstanding early- or mid-career experimental researchers to an open scientific staff position within the group. LER performs world-leading research in nuclear structure, nuclear astrophysics, fundamental symmetries and nuclear data as well as managing and operating world-class detector systems as part of the ATLAS accelerator facility, a DOE supported national user facility for low-energy nuclear physics research which provides both stable beams and world-unique rare isotope beams from either the nuCARIBU (Californium Rare Ion Breeder Upgrade) facility or from the Argonne In-Flight Radioactive Ion Separator, RAISOR.
Additional information on the activities of the Group and the Division can be found at . The Argonne Physics Division has programs in low energy and medium energy nuclear physics, nuclear theory, nuclear data, accelerator R&D and operates the DOE Office of Nuclear Physics National User Facility, the Argonne Tandem-Linac Accelerator System (ATLAS).
**Position Requirements**
+ The successful candidate should have a Ph.D. in Nuclear Physics or related field and will be expected to develop an independent research program, which utilizes the ATLAS facility and the Facility for Rare Isotope Beams (FRIB). The preference will be given to candidates with experience using and operating large gamma-ray arrays, such as Gammasphere and Ge tracking arrays such as GRETINA and AGATA
+ Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork
Applicants must submit the following materials:
+ Curriculum vitae
+ Research statement outlining interests in relation to the advertised position
+ Contact information for three references, to be sent to Kaitlin Raimondi at
For questions or additional information, please contact Dr. Dariusz Seweryniak at
For full consideration, please apply by September 15, 2025
RD2: Bachelors and 5+ years of experience, Masters and 3+ years, or PhD and 0+ years, or equivalent
The expected hiring range for this position is **$90,063 - $43,010 annually
RD3: Bachelors and 8+ years of experience, Masters and 5+ years, PhD and 4+ years, or equivalent
The expected hiring range for this position is ** 109,922 - 175,605 annually
**Job Family**
Research Development (RD)
**Job Profile**
Physics 2
**Worker Type**
Regular
**Time Type**
Full time
The expected hiring range for this position is 90,063.00 - 143,010.27.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.
Click here ( to view Argonne employee benefits!
_As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._
_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._
_All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._

**Working with Us**
Challenging. Meaningful. Life-changing. Those aren't words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You'll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.
Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us .
RayzeBio, a Bristol Myers Squibb company, is a dynamic biotechnology company headquartered in San Diego, CA. The company is focused on improving survival of people with cancer by harnessing the power of targeted radioisotopes. RayzeBio is developing innovative drugs against targets of solid tumors. Led by a successful and experienced entrepreneurial team, RayzeBio aims to be the global leader in radiopharmaceuticals .
The Manager, Nuclear Physics - Radiation Safety Officer will support both the Site Head and Director of Health Physics in ensuring successful development of new radionuclide technologies and safe operations at the RayzeBio Manufacturing sites. The candidate will provide technical support to implement novel technologies being investigated at RayzeBio. The candidate will also provide technical health physics and EHS support to various departments within RayzeBio.
**Job Responsibilities:**
Essential duties and responsibilities include the following. Other duties may be assigned.
+ Innovate and develop novel processes for the manufacturing of various radioisotopes.
+ Work cross functionally with scientific and engineering teams on complex capital projects.
+ Maintain and implement policies and procedures in compliance with all federal, state, and local environmental, health, and safety (EHS) and radiological protection regulations and associated programs at the site.
+ Ensure a culture of safety is maintained and prioritized by all employees.
+ Perform health physics and EHS evaluations, audits, and initiatives at RayzeBio manufacturing site(s).
+ Provide, prepare, and coordinate didactic and hands-on training, as required.
+ Oversee and manage the processing of various radiological, chemical, and biological waste streams.
+ Develop practices and procedures to monitor and track radioactive inventory and waste.
+ Assist with incident investigations and identifying root cause and corrective actions.
+ Host regulatory agency inspections and licensing activities.
+ Oversee and manage a team of professional EHS and Health Physics staff.
**Skills and Qualifications**
+ Highly motivated and organized individual with strong interpersonal and communication skills with ability to successfully work independently and interface with other departments in a team environment.
+ Familiarity with industry technologies and production methods.
+ Strong assessment and troubleshooting skills.
+ Ability to utilize and interpret various Health Physics monitoring equipment (air sampling, hand-held meters, etc.).
+ Ability to efficiently use MS Office, VelocityEHS, SAP, and other associated software systems.
+ Excellent professional ethics, integrity, and ability to maintain confidential information.
**Basic Qualifications:**
+ MS or PhD in Health Physics, Environmental Science, Engineering, or relevant scientific field.
+ 5+ years direct experience in Health Physics
+ Proven experience as a Radiation Safety Officer (must meet the requirements of 10 CFR 35.50 to be listed as Radiation Safety Officer on RayzeBio's Nuclear Regulatory Commission radioactive materials licenses).
+ Demonstrated knowledge of radiological protection and associated government regulations (Nuclear Regulatory Commission and/or Agreement State).
**Preferred Qualifications:**
+ Experience in medical health physics, alpha/beta materials and/or radiopharmaceuticals highly preferred.
+ Certification by accepted radiological protection organization (CHP, NRRPT)
**Physical Demands:**
While performing the duties of this job, the employee is regularly required to sit, reach with hands and arms, and talk or hear. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision and distance vision.
This is a position that requires working in laboratory and vivarium environments that contain chemicals and radioactive materials. Protective clothing, gloves, and safety glasses are required while performing work in these areas. The employee must be able to pass all aspects of respirator fit testing, including medical clearance.
**Work** **Environment**
The noise level in the work environment is usually moderate.
#RayzeBio
If you come across a role that intrigues you but doesn't perfectly line up with your resume, we encourage you to apply anyway. You could be one step away from work that will transform your life and career.
**Compensation Overview:**
Indianapolis - RayzeBio - IN: $124,449 - $150,803
The starting compensation range(s) for this role are listed above for a full-time employee (FTE) basis. Additional incentive cash and stock opportunities (based on eligibility) may be available. The starting pay rate takes into account characteristics of the job, such as required skills, where the job is performed, the employee's work schedule, job-related knowledge, and experience. Final, individual compensation will be decided based on demonstrated experience.
Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit offerings are subject to the terms and conditions of the applicable plans then in effect and may include the following: Medical, pharmacy, dental and vision care. Wellbeing support such as the BMS Living Life Better program and employee assistance programs (EAP). Financial well-being resources and a 401(K). Financial protection benefits such as short- and long-term disability, life insurance, supplemental health insurance, business travel protection and survivor support. Work-life programs include paid national holidays and optional holidays, Global Shutdown Days between Christmas and New Year's holiday, up to 120 hours of paid vacation, up to two (2) paid days to volunteer, sick time off, and summer hours flexibility. Parental, caregiver, bereavement, and military leave. Family care services such as adoption and surrogacy reimbursement, fertility/infertility benefits, support for traveling mothers, and child, elder and pet care resources. Other perks like tuition reimbursement and a recognition program.
**Uniquely Interesting Work, Life-changing Careers**
With a single vision as inspiring as Transforming patients' lives through science , every BMS employee plays an integral role in work that goes far beyond ordinary. Each of us is empowered to apply our individual talents and unique perspectives in a supportive culture, promoting global participation in clinical trials, while our shared values of passion, innovation, urgency, accountability, inclusion and integrity bring out the highest potential of each of our colleagues.
**On-site Protocol**
BMS has an occupancy structure that determines where an employee is required to conduct their work. This structure includes site-essential, site-by-design, field-based and remote-by-design jobs. The occupancy type that you are assigned is determined by the nature and responsibilities of your role:
Site-essential roles require 100% of shifts onsite at your assigned facility. Site-by-design roles may be eligible for a hybrid work model with at least 50% onsite at your assigned facility. For these roles, onsite presence is considered an essential job function and is critical to collaboration, innovation, productivity, and a positive Company culture. For field-based and remote-by-design roles the ability to physically travel to visit customers, patients or business partners and to attend meetings on behalf of BMS as directed is an essential job function.
BMS is dedicated to ensuring that people with disabilities can excel through a transparent recruitment process, reasonable workplace accommodations/adjustments and ongoing support in their roles. Applicants can request a reasonable workplace accommodation/adjustment prior to accepting a job offer. If you require reasonable accommodations/adjustments in completing this application, or in any part of the recruitment process, direct your inquiries to . Visit careers.bms.com/ ( eeo-accessibility to access our complete Equal Employment Opportunity statement.
BMS cares about your well-being and the well-being of our staff, customers, patients, and communities. As a result, the Company strongly recommends that all employees be fully vaccinated for Covid-19 and keep up to date with Covid-19 boosters.
BMS will consider for employment qualified applicants with arrest and conviction records, pursuant to applicable laws in your area.
If you live in or expect to work from Los Angeles County if hired for this position, please visit this page for important additional information: data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.
**Company:** Bristol-Myers Squibb
**Req Number:** R1594322
**Updated:** 2025-08-25 04:45:29.567 UTC
**Location:** Indianapolis-IN
Bristol Myers Squibb is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, pregnancy, citizenship, marital status, gender expression, genetic information, political affiliation, or any other characteristic protected by law.

The Low-Energy Nuclear Physics Research Group (LER) of the Physics Division at Argonne National Laboratory seeks outstanding individuals to fill an open postdoctoral position within the Group. LER performs world-leading research in nuclear structure, nuclear astrophysics, fundamental symmetries, and nuclear data. The Group also manages and operates world-class detector systems as part of the ATLAS accelerator facility, a DOE supported national user facility for low-energy nuclear physics research. Besides high intensity stable beams, ATLAS provides world-unique rare isotope beams from either the nuCARIBU (Californium Rare Ion Breeder Upgrade) facility or from the Argonne In-Flight Radioactive Ion Separator, RAISOR. In addition, members of the group are leading experimental programs at the Facility for Rare Isotope Beams (FRIB).
Information on the activities of the Group and the Division can be found at . The Argonne Physics Division has programs in low energy and medium energy nuclear physics, nuclear theory, nuclear data, accelerator R&D and operates the DOE Office of Nuclear Physics National User Facility, the Argonne Tandem-Linac Accelerator System (ATLAS).
As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law.
Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.
All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.
**Position Requirements**
Candidates considered for the position must have:
+ Recently received or near completion of their Ph.D. in nuclear physics or related discipline within the last 5 years.
+ Experience at conceiving and executing experimental research projects, data analysis, physics interpretations, and reporting of the results.
+ A strong background in the field of Experimental Nuclear Physics.
+ Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork.
In addition, a preference will be given to candidates with experience in studies of exotic nuclei using gamma-ray detector arrays for either in-beam or decay measurements.
Postdocs have an initial term of 1 year and can be renewed in 1 year increments; up to a total of 3 years depending on funding and performance. The expected starting date is Q3/Q4 of 2025.
Interested applicants must apply via Workday. In addition, please forward your CV and arrange for three letters of reference to be sent to Dr. Dariusz Seweryniak ( ) and Kaitlin Raimondi ( ).
Review of applicants will begin April 15, 2025, and the position will remain open until filled.
**Job Family**
Postdoctoral
**Job Profile**
Postdoctoral Appointee
**Worker Type**
Long-Term (Fixed Term)
**Time Type**
Full time
The expected hiring range for this position is $70,758.00-$117,925.00.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.
Click here ( to view Argonne employee benefits!
_As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._
_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._
_All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._

The Low-Energy Nuclear Physics Research Group (LER) of the Physics Division at Argonne National Laboratory seeks outstanding individuals to fill an open postdoctoral position within the Group. LER performs world-leading research in nuclear structure, nuclear astrophysics, fundamental symmetries, and nuclear data. The Group also manages and operates world-class detector systems as part of the ATLAS accelerator facility, a DOE supported national user facility for low-energy nuclear physics research. Besides high intensity stable beams, ATLAS provides world-unique rare isotope beams from either the nuCARIBU (Californium Rare Ion Breeder Upgrade) facility or from the Argonne In-Flight Radioactive Ion Separator, RAISOR. In addition, members of the group are leading experimental programs at the Facility for Rare Isotope Beams (FRIB).
Information on the activities of the Group and the Division can be found at . The Argonne Physics Division has programs in low energy and medium energy nuclear physics, nuclear theory, nuclear data, accelerator R&D and operates the DOE Office of Nuclear Physics National User Facility, the Argonne Tandem-Linac Accelerator System (ATLAS).
As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law.
Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.
All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.
**Position Requirements**
Candidates considered for the position must have:
+ Recently received or near completion of their Ph.D. in nuclear physics or related discipline within the last 5 years.
+ Experience at conceiving and executing experimental research projects, data analysis, physics interpretations, and reporting of the results.
+ A strong background in the field of Experimental Nuclear Physics.
+ Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork.
In addition, a preference will be given to candidates with experience in studies of exotic nuclei using gamma-ray detector arrays for either in-beam or decay measurements.
Postdocs have an initial term of 1 year and can be renewed in 1 year increments; up to a total of 3 years depending on funding and performance. The expected starting date is Q3/Q4 of 2025.
Interested applicants must apply via Workday. In addition, please forward your CV and arrange for three letters of reference to be sent to Dr. Dariusz Seweryniak ( ) and Kaitlin Raimondi ( ).
Review of applicants will begin April 15, 2025, and the position will remain open until filled.
**Job Family**
Postdoctoral
**Job Profile**
Postdoctoral Appointee
**Worker Type**
Long-Term (Fixed Term)
**Time Type**
Full time
The expected hiring range for this position is $70,758.00-$117,925.00.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.
Click here ( to view Argonne employee benefits!
_As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._
_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._
_All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._

Argonne National Laboratory invites applications for postdoctoral research positions in experimental physics, with a focus on advancing superconducting particle detector technology for next-generation nuclear science experiments at Jefferson Lab and the Electron-Ion Collider (EIC).
As part of our growing multidisciplinary team, you will contribute to the development of superconducting nanowire detectors while also having flexibility to pursue your own research interests.
**Research Focus**
+ Participate in a detector R&D program aimed at developing superconducting nanowire sensors to enable transformative experiments at Jefferson Lab and the EIC at Brookhaven National Laboratory
+ Collaborate with a diverse team of physicists and engineers working at the intersection of nuclear physics, materials science, microfabrication, and superconducting technologies
**About the Team**
You will join the Superconducting Nanowire Detector R&D group within Argonne's Medium Energy Physics team. The group includes nine staff scientists, engineers, postdocs, and students, with an active research portfolio that spans:
+ Leading electron-scattering experiments at Jefferson Lab (CLAS12, SoLID, Hall A, B, and C)
+ Major contributions to experiments at Fermilab (SeaQuest, SpinQuest) and PSI (MUSE)
+ Detector hardware leadership, including the ALERT time-of-flight detector, the ePIC Barrel Imaging Calorimeter, and the SoLID detector at Jefferson Lab
+ Innovation in detector technologies such as 3D-printed pixelized MCP-PMTs and superconducting nanowire single-particle detectors
**Position Requirements**
+ Recent or soon-to-be-completed PhD (within the last 0-5 years) in the field of experimental nuclear physics, particle physics, electrical engineering, chemical engineering, materials science, mechanical engineering, or related discipline
+ Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork
**Preferred**
+ Experimental data analysis in hadronic physics
+ Superconducting electronics and sensors
+ Detector simulations
+ Microfabrication of superconducting nanowire single-photon detectors (SNSPDs)
**Application Instructions**
+ Cover Letter
+ Curriculum Vitae (CV)
+ Statement of Research Interests
Additionally, arrange for three recommendation letters to be sent directly to Kaitlin Raimondi at ** ** , and confirm that your referees have submitted their letters.
**Job Family**
Postdoctoral
**Job Profile**
Postdoctoral Appointee
**Worker Type**
Long-Term (Fixed Term)
**Time Type**
Full time
The expected hiring range for this position is $70,758.00-$117,925.00.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.
Click here ( to view Argonne employee benefits!
_As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._
_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._
_All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._

Argonne National Laboratory invites applications for postdoctoral research positions in experimental physics, with a focus on advancing superconducting particle detector technology for next-generation nuclear science experiments at Jefferson Lab and the Electron-Ion Collider (EIC).
As part of our growing multidisciplinary team, you will contribute to the development of superconducting nanowire detectors while also having flexibility to pursue your own research interests.
**Research Focus**
+ Participate in a detector R&D program aimed at developing superconducting nanowire sensors to enable transformative experiments at Jefferson Lab and the EIC at Brookhaven National Laboratory
+ Collaborate with a diverse team of physicists and engineers working at the intersection of nuclear physics, materials science, microfabrication, and superconducting technologies
**About the Team**
You will join the Superconducting Nanowire Detector R&D group within Argonne's Medium Energy Physics team. The group includes nine staff scientists, engineers, postdocs, and students, with an active research portfolio that spans:
+ Leading electron-scattering experiments at Jefferson Lab (CLAS12, SoLID, Hall A, B, and C)
+ Major contributions to experiments at Fermilab (SeaQuest, SpinQuest) and PSI (MUSE)
+ Detector hardware leadership, including the ALERT time-of-flight detector, the ePIC Barrel Imaging Calorimeter, and the SoLID detector at Jefferson Lab
+ Innovation in detector technologies such as 3D-printed pixelized MCP-PMTs and superconducting nanowire single-particle detectors
**Position Requirements**
+ Recent or soon-to-be-completed PhD (within the last 0-5 years) in the field of experimental nuclear physics, particle physics, electrical engineering, chemical engineering, materials science, mechanical engineering, or related discipline
+ Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork
**Preferred**
+ Experimental data analysis in hadronic physics
+ Superconducting electronics and sensors
+ Detector simulations
+ Microfabrication of superconducting nanowire single-photon detectors (SNSPDs)
**Application Instructions**
+ Cover Letter
+ Curriculum Vitae (CV)
+ Statement of Research Interests
Additionally, arrange for three recommendation letters to be sent directly to Kaitlin Raimondi at ** ** , and confirm that your referees have submitted their letters.
**Job Family**
Postdoctoral
**Job Profile**
Postdoctoral Appointee
**Worker Type**
Long-Term (Fixed Term)
**Time Type**
Full time
The expected hiring range for this position is $70,758.00-$117,925.00.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.
Click here ( to view Argonne employee benefits!
_As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law._
_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department._
_All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment._

**Job Description Summary**
This role contributes to company objectives in the field of reactor physics and technology. This role is intended for a current or future subject matter expert in the areas of neutron transport, cross section generation, and code development/maintenance in these areas. This role also supports software documentation and validation, user training, and customer interfacing for lattice physics codes (LANCR) and 3D core simulator (PANAC).
The preferred work location for this role is at the GVH Nuclear headquarters in Wilmington, NC (hybrid work arrangements available), but permanent remote work arrangements are also possible.
This role is within the Reactor Physics Technology (RPT) team, which is responsible for the development, maintenance, analytics, technical consultation, and licensing stewardship of engineering computer codes, correlations, and methodologies related to Boiling Water Reactors (BWRs) and Small Modular Reactors (SMRs). RPT is also responsible for supporting customers with emergent questions in the areas of reactor neutronics/thermal-hydraulics and instrumentation physics and contributes to the nuclear and thermal-hydraulic design of new fuel products.
**Job Description**
**Essential Responsibilities:**
+ Responsible for leading the technical development, accuracy and uncertainty qualification, testing, verification, regulatory licensing, and maintenance of analytical methods required for evaluation of steady-state and transient core/fuel performance of nuclear reactors.
+ Work within an approved regulatory framework for nuclear software quality assurance for engineering computer programs.
+ Prepare, document and present technical data to internal and external customers.
+ Contribute to and lead team process improvements to drive speed and simplification.
+ Communicate with internal/external users of the methods through support, documentation, and training.
+ Ensure work is performed with high quality in accordance with NRC rules and regulations, customer requirements, and business quality assurance standards.
+ Drive a team culture based on teamwork, integrity, candor, transparency, and execution on commitments.
+ Effectively communicate and coordinate activities with other team members on engineering/technical issues.
+ Assist and provide support to the team technical leader and functional manager to plan, status and execute projects.
+ Support the interface with various regulatory agencies (NRC, DOE, etc.) as appropriate.
+ Honest and straightforward with a high level of personal integrity.
+ Detail oriented and accountable for results.
+ Strong interpersonal skills and demonstrated ability to work in a team.
+ Displays a strong drive for continuous improvement.
+ Displays an engaging, can-do, optimistic attitude.
+ Excellent oral and written communication skills.
+ Strong analytical capabilities, problem solving skills, and process skills.
**Required Qualifications** :
+ Bachelor's degree from an accredited university or college in nuclear engineering or a closely related technical discipline AND minimum of 6 years of experience in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation
OR
+ Master's degree from an accredited university or college in nuclear engineering or a closely related technical discipline AND minimum of 4 years of experience in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation
OR
+ Ph.D. from an accredited university or college in nuclear engineering or a closely related technical discipline with a thesis in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation AND minimum of 2 years of experience in some combination of these topical areas
**Eligibility requirements:**
+ The preferred work locations is the Wilmington, NC Headquarters, but highly qualified remote candidates will be considered
+ This role requires access to U.S. export-controlled information. If applicable, final offers will be contingent on ability to obtain authorization for access to U.S. export-controlled information from the U.S. Government.
**Desired Characteristics:**
+ Ph.D. in computational methods, nuclear engineering, or a closely related discipline.
+ Prior experience with deterministic and stochastic neutron transport (e.g., TGBLA/PANAC or CASMO/SIMULATE), including development of related codes and tools.
+ Prior experience with nuclear cross section generation.
+ Programming experience with Fortran and Python.
+ Working knowledge of nuclear reactor core licensing, technical specifications, safety margin bases, code methodology licensing, and related federal regulations.
+ Publication of technical articles and/or patent applications.
+ Demonstrated ability to make decisions with speed and accuracy based on the best available information.
+ Exceptional organization skills.
+ Legacy of delivering on commitments; tenacious, with a proven track record of overcoming obstacles; ability to achieve stretch targets.
+ Strong external focus; clear and demonstrated understanding of nuclear industry and/or energy industry.
+ Six Sigma Green Belt, Black Belt, or equivalent quality certification.
The base pay range for this position is $112,000 to $160,000. The specific pay offered may be influenced by a variety of factors, including the candidate's experience, education, and skill set. This position is also eligible for bonuses, such as a performance bonus/variable incentive compensation/equity. This position is expected to close on August 21st.
The company pays a geographic differential of 110%, 120%, or 130% of salary in certain areas.
Healthcare benefits include medical, dental, vision, and prescription drug coverage; access to a Health Coach, a 24/7 nurse-based resource; and access to the Employee Assistance Program, providing 24/7 confidential assessment, counseling, and referral services. Retirement benefits include the GE Retirement Savings Plan, a tax-advantaged 401 (k) savings opportunity with company matching contributions and company retirement contributions, as well as access to Fidelity resources and planning consultants. Other benefits include tuition assistance, adoption assistance, paid parental leave, disability insurance, life insurance, and paid time-off for vacation or illness.
General Electric Company, Ropcor, Inc., and in some cases their affiliates, each sponsor certain employee benefit plans or programs (i.e., is a "Sponsor"). Each Sponsor reserves the right to terminate, amend, suspend, replace, or modify its benefit plans and programs at any time and for any reason, in its sole discretion. No individual has a vested right to any benefit under a Sponsor's welfare benefit plan or program. This document does not create a contract of employment with any individual.
_This role requires access to U.S. export-controlled information. If applicable, final offers will be contingent on ability to obtain authorization for access to U.S. export-controlled information from the U.S. Government._
**Additional Information**
GE Vernova offers a great work environment, professional development, challenging careers, and competitive compensation. GE Vernova is an Equal Opportunity Employer ( . Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.
GE Vernova will only employ those who are legally authorized to work in the United States for this opening. Any offer of employment is conditioned upon the successful completion of a drug screen (as applicable).
**Relocation Assistance Provided:** Yes
#LI-Remote - This is a remote position
Application Deadline: September 19, 2025
GE Vernova is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

**Job Description Summary**
This role contributes to company objectives in the field of reactor physics and technology. This role is intended for a current or future subject matter expert in the areas of neutron transport, cross section generation, and code development/maintenance in these areas. This role also supports software documentation and validation, user training, and customer interfacing for lattice physics codes (LANCR) and 3D core simulator (PANAC).
The preferred work location for this role is at the GVH Nuclear headquarters in Wilmington, NC (hybrid work arrangements available), but permanent remote work arrangements are also possible.
This role is within the Reactor Physics Technology (RPT) team, which is responsible for the development, maintenance, analytics, technical consultation, and licensing stewardship of engineering computer codes, correlations, and methodologies related to Boiling Water Reactors (BWRs) and Small Modular Reactors (SMRs). RPT is also responsible for supporting customers with emergent questions in the areas of reactor neutronics/thermal-hydraulics and instrumentation physics and contributes to the nuclear and thermal-hydraulic design of new fuel products.
**Job Description**
**Essential Responsibilities:**
+ Responsible for leading the technical development, accuracy and uncertainty qualification, testing, verification, regulatory licensing, and maintenance of analytical methods required for evaluation of steady-state and transient core/fuel performance of nuclear reactors.
+ Work within an approved regulatory framework for nuclear software quality assurance for engineering computer programs.
+ Prepare, document and present technical data to internal and external customers.
+ Contribute to and lead team process improvements to drive speed and simplification.
+ Communicate with internal/external users of the methods through support, documentation, and training.
+ Ensure work is performed with high quality in accordance with NRC rules and regulations, customer requirements, and business quality assurance standards.
+ Drive a team culture based on teamwork, integrity, candor, transparency, and execution on commitments.
+ Effectively communicate and coordinate activities with other team members on engineering/technical issues.
+ Assist and provide support to the team technical leader and functional manager to plan, status and execute projects.
+ Support the interface with various regulatory agencies (NRC, DOE, etc.) as appropriate.
+ Honest and straightforward with a high level of personal integrity.
+ Detail oriented and accountable for results.
+ Strong interpersonal skills and demonstrated ability to work in a team.
+ Displays a strong drive for continuous improvement.
+ Displays an engaging, can-do, optimistic attitude.
+ Excellent oral and written communication skills.
+ Strong analytical capabilities, problem solving skills, and process skills.
**Required Qualifications** :
+ Bachelor's degree from an accredited university or college in nuclear engineering or a closely related technical discipline AND minimum of 6 years of experience in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation
OR
+ Master's degree from an accredited university or college in nuclear engineering or a closely related technical discipline AND minimum of 4 years of experience in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation
OR
+ Ph.D. from an accredited university or college in nuclear engineering or a closely related technical discipline with a thesis in nuclear methods development/neutron transport/lattice physics/nuclear cross section generation AND minimum of 2 years of experience in some combination of these topical areas
**Eligibility requirements:**
+ The preferred work locations is the Wilmington, NC Headquarters, but highly qualified remote candidates will be considered
+ This role requires access to U.S. export-controlled information. If applicable, final offers will be contingent on ability to obtain authorization for access to U.S. export-controlled information from the U.S. Government.
**Desired Characteristics:**
+ Ph.D. in computational methods, nuclear engineering, or a closely related discipline.
+ Prior experience with deterministic and stochastic neutron transport (e.g., TGBLA/PANAC or CASMO/SIMULATE), including development of related codes and tools.
+ Prior experience with nuclear cross section generation.
+ Programming experience with Fortran and Python.
+ Working knowledge of nuclear reactor core licensing, technical specifications, safety margin bases, code methodology licensing, and related federal regulations.
+ Publication of technical articles and/or patent applications.
+ Demonstrated ability to make decisions with speed and accuracy based on the best available information.
+ Exceptional organization skills.
+ Legacy of delivering on commitments; tenacious, with a proven track record of overcoming obstacles; ability to achieve stretch targets.
+ Strong external focus; clear and demonstrated understanding of nuclear industry and/or energy industry.
+ Six Sigma Green Belt, Black Belt, or equivalent quality certification.
The base pay range for this position is $112,000 to $160,000. The specific pay offered may be influenced by a variety of factors, including the candidate's experience, education, and skill set. This position is also eligible for bonuses, such as a performance bonus/variable incentive compensation/equity. This position is expected to close on August 21st.
The company pays a geographic differential of 110%, 120%, or 130% of salary in certain areas.
Healthcare benefits include medical, dental, vision, and prescription drug coverage; access to a Health Coach, a 24/7 nurse-based resource; and access to the Employee Assistance Program, providing 24/7 confidential assessment, counseling, and referral services. Retirement benefits include the GE Retirement Savings Plan, a tax-advantaged 401 (k) savings opportunity with company matching contributions and company retirement contributions, as well as access to Fidelity resources and planning consultants. Other benefits include tuition assistance, adoption assistance, paid parental leave, disability insurance, life insurance, and paid time-off for vacation or illness.
General Electric Company, Ropcor, Inc., and in some cases their affiliates, each sponsor certain employee benefit plans or programs (i.e., is a "Sponsor"). Each Sponsor reserves the right to terminate, amend, suspend, replace, or modify its benefit plans and programs at any time and for any reason, in its sole discretion. No individual has a vested right to any benefit under a Sponsor's welfare benefit plan or program. This document does not create a contract of employment with any individual.
_This role requires access to U.S. export-controlled information. If applicable, final offers will be contingent on ability to obtain authorization for access to U.S. export-controlled information from the U.S. Government._
**Additional Information**
GE Vernova offers a great work environment, professional development, challenging careers, and competitive compensation. GE Vernova is an Equal Opportunity Employer ( . Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.
GE Vernova will only employ those who are legally authorized to work in the United States for this opening. Any offer of employment is conditioned upon the successful completion of a drug screen (as applicable).
**Relocation Assistance Provided:** Yes
#LI-Remote - This is a remote position
Application Deadline: September 19, 2025
GE Vernova is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

**What You Will Do**
The Physics Division at Los Alamos National Laboratory invites outstanding applicants for postdoctoral positions in the High Energy Nuclear Physics (HENP) team of the Nuclear and Particle Physics and Applications Group (P-3) to work on the AMBER experiment at CERN. The HENP team is leading the project of developing a silicon-strip vertex detector for the AMBER experiment. The postdoc is expected to play an integral role in the entire detector R&D process, including detector simulation, software development, R&D of the readout electronics, as well as the detector installation and commissioning. In addition to the work on the AMBER experiment, the candidate is also encouraged to participate in other projects that the HENP team is leading, including spin physics and dark photon searches at the SpinQuest experiment, heavy ion physics at the sPHENIX experiment, and fast MAPS detector R&D for the Electron-Ion Collider (EIC). The position will be based at Los Alamos National Laboratory, with travel to CERN and other facilities as required. The postdoctoral term is for 2 years, with an option to renew for a third year.
**What You Need**
**Minimum Job Requirements:**
+ good oral and written communication
+ experience with data analysis tools typically used for nuclear and particle physics
+ experience with detector operation and R&D
+ paper publication record in high energy nuclear physics or particle physics
**Education:** The applicant is required to have a Ph.D. in high-energy particle or nuclear physics within the past five years, or soon to be completed.
**Desired Qualifications:**
+ experience with the FPGA design and/or silicon detectors
**Note to Applicants:**
In addition to applying online, applicants should submit a brief description of research interest to Kun Liu ( ). Any questions can be addressed to same. Reference letters will be asked at a later stage of the selection process. This position does not require a security clearance, U.S. citizenship or residency. We particularly encourage applications from under-represented groups in the field; such as women, African-Americans, Native Americans, Hispanics and Latin Americans.
Consideration of applications will begin immediately and continue until the position is filled.
Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China, the Islamic Republic of Iran, the Democratic People's Republic of North Korea, and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory.
**Where You Will Work**
Located in beautiful northern New Mexico, Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science on behalf of national security. Our generous benefits package includes:
§ PPO or High Deductible medical insurance with the same large nationwide network
§ Dental and vision insurance
§ Free basic life and disability insurance
§ Paid childbirth and parental leave
§ Award-winning 401(k) (6% matching plus 3.5% annually)
§ Learning opportunities and tuition assistance
§ Flexible schedules and time off (PTO and holidays)
§ Onsite gyms and wellness programs
§ Extensive relocation packages (outside a 50 mile radius)
**Additional Details**
**Directive 206.2** - Employment with Triad requires a favorable decision by NNSA indicating employee is suitable under NNSA Supplemental Directive 206.2 ( . Please note that this requirement applies only to citizens of the United States. Foreign nationals are subject to a similar requirement under DOE Order 142.3A.
Position does not require a security clearance. Selected candidates will be subject to drug testing and other pre-employment background checks.
**New-Employment Drug Test:** The Laboratory requires successful applicants to complete a new-employment drug test and maintains a substance abuse policy that includes random drug testing. Although New Mexico and other states have legalized the use of marijuana, use and possession of marijuana remain illegal under federal law. A positive drug test for marijuana will result in termination of employment, even if the use was pre-offer.
**Equal Opportunity:**
Los Alamos National Laboratory is an equal opportunity employer. All employment practices are based on qualification and merit, without regard to protected categories such as race, color, national origin, ancestry, religion, age, sex, gender identity, sexual orientation, marital status or spousal affiliation, physical or mental disability, medical conditions, pregnancy, status as a protected veteran, genetic information, or citizenship within the limits imposed by applicable federal, state and local laws and regulations.
The Laboratory is also committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request a disability accommodation, email or call ( , opt. 3.