471 Laboratory Engineer jobs in the United States

As a community, the University of Rochester is defined by a deep commitment to Meliora - Ever Better. Embedded in that ideal are the values we share: equity, leadership, integrity, openness, respect, and accountability. Together, we will set the highest standards for how we treat each other to ensure our community is welcoming to all and is a place where all can thrive.
**Job Location (Full Address):**
250 East River Rd, Rochester, New York, United States of America, 14623
**Opening:**
Worker Subtype:
Regular
Time Type:
Full time
Scheduled Weekly Hours:
40
Department:
LLE-Laboratory for Laser Energ
Work Shift:
UR - Day (United States of America)
Range:
UR URG 109
Compensation Range:
$55,955.00 - $78,336.00
_The referenced pay range represents the minimum and maximum compensation for this job. Individual annual salaries/hourly rates will be set within the job's compensation range, and will be determined by considering factors including, but not limited to, market data, education, experience, qualifications, expertise of the individual, and internal equity considerations._
**Responsibilities:**
GENERAL PURPOSE
The Experimental Division is seeking an early career Laboratory Engineer to help design and build laboratory set-ups and conduct experiments exploring and diagnosing laser-material interactions. A successful candidate will be challenged by the wide range of electrical, mechanical and optical technologies used to conduct these experiments.
**RESPONSIBLITIES** :
+ Design, build, and trouble-shoot experimental systems that include lasers, vacuum systems, and imaging and interferometric diagnostics
+ Support the operation of existing and newly acquired equipment and instrumentation for laser physics experiments.
+ Develop system controls and interfaces.
+ Work in an environment with a visible and audible laser operating at both single shot and constant 10 Hz rep rates.
**QUALIFICATIONS** :
+ Bachelor's Degree and 1-year relevant experience required.
+ Degree in Mechanical or Electrical Engineering preferred.
+ Or equivalent combination of education and experience required.
+ US Citizenship preferred.
+ Ability to obtain a security clearance preferred.
**ESESSENTIAL SKILLS** :
+ Experience designing mechanical and electrical systems
+ Experience with electrical, controls, and vacuum systems
+ Proficiency in Microsoft Office and ability to learn additional software operation
+ Programming skills
+ Ability to lift up to 50 lbs. and navigate stairs/ladders
+ Excellent verbal and written communication
+ Work both independently and as a part of a multidisciplinary team
**PREFERRED SKILLS**
+ Experience with programming language such as Python or C++ Experience with CAD software such as NX or SolidWorks
+ Technical writing experience and documentation skills
+ Attention to detail
The University of Rochester is committed to fostering, cultivating, and preserving an inclusive and welcoming culture to advance the University's Mission to Learn, Discover, Heal, Create - and Make the World Ever Better. In support of our values and those of our society, the University is committed to not discriminating on the basis of age, color, disability, ethnicity, gender identity or expression, genetic information, marital status, military/veteran status, national origin, race, religion, creed, sex, sexual orientation, citizenship status, or any other characteristic protected by federal, state, or local law (Protected Characteristics). This commitment extends to non-discrimination in the administration of our policies, admissions, employment, access, and recruitment of candidates, for all persons consistent with our values and based on applicable law.
Notice: If you are a **Current** **Employee,** please **log into myURHR** to search for and apply to jobs using the Jobs Hub. Your application, if submitted using this portal, cannot be moved forward.
**Learn. Discover. Heal. Create.**
Located in western New York, Rochester is our namesake and our home. One of the world's leading research universities, Rochester has a long tradition of breaking boundaries-always pushing and questioning, learning and unlearning. We transform ideas into enterprises that create value and make the world ever better.
If you're looking for a career in higher education or health care, the University of Rochester may offer the perfect opportunity for your background and goals
At the University of Rochester, we are committed to fostering, cultivating, and preserving an inclusive and welcoming culture and are united by a strong commitment to be ever better-Meliora. It is an ideal that informs our shared mission to ensure all members of our community feel safe, respected, included, and valued.

As a community, the University of Rochester is defined by a deep commitment to Meliora - Ever Better. Embedded in that ideal are the values we share: equity, leadership, integrity, openness, respect, and accountability. Together, we will set the highest standards for how we treat each other to ensure our community is welcoming to all and is a place where all can thrive.
**Job Location (Full Address):**
250 East River Rd, Rochester, New York, United States of America, 14623
**Opening:**
Worker Subtype:
Regular
Time Type:
Full time
Scheduled Weekly Hours:
40
Department:
LLE-Laboratory for Laser Energ
Work Shift:
UR - Day (United States of America)
Range:
UR URG 109
Compensation Range:
$55,955.00 - $78,336.00
_The referenced pay range represents the minimum and maximum compensation for this job. Individual annual salaries/hourly rates will be set within the job's compensation range, and will be determined by considering factors including, but not limited to, market data, education, experience, qualifications, expertise of the individual, and internal equity considerations._
**Responsibilities:**
GENERAL PURPOSE:
The Laboratory for Laser Energetics (LLE) of the University of Rochester is a unique national resource for research and education in science and technology focusing on using lasers to initiate fusion and high energy density physics. LLE is currently seeking a technical associate in the Experimental Operations group. Candidates are sought to install, maintain, operate and troubleshoot a variety of equipment in a cleanroom environment.
**RESPONSIBILITIES**
+ Support the operation of various equipment and diagnostics related to laser physics experiments
+ Troubleshoot mechanical, electrical and optical issues
+ Perform regular preventative maintenance
+ Support mechanical, electrical and optical engineers with design and installation of new equipment
+ Maintain complex vacuum systems
+ Handling of radiation materials. Will be required to qualify as a NYS Radiation Worker
+ Some second shift work is required
**QUALIFICATIONS**
+ Bachelor's degree in a Science, Technology, Engineering or Mathematics field or equivalent experience
+ Ability to obtain a security clearance
**REQUIRED SKILLS**
+ Well versed in engineering fundamentals including basic mechanics, geometry, calculus, reading mechanical drawings, and CAD proficiency
+ Ability to work in a cleanroom environment
+ Ability to lift up to 50 lbs. and climb stairs
+ Excellent verbal and written communication
+ Strong interpersonal skills working in a team-based environment
+ Proficiency in Microsoft Office and ability to learn additional software as needed
**DESIRED SKILLS**
+ Experience with electrical and vacuum systems
+ Experience with radiological materials
+ Technical writing experience
+ Proficiency reading and interpreting electrical schematics
+ Technical writing experience
The University of Rochester is committed to fostering, cultivating, and preserving an inclusive and welcoming culture to advance the University's Mission to Learn, Discover, Heal, Create - and Make the World Ever Better. In support of our values and those of our society, the University is committed to not discriminating on the basis of age, color, disability, ethnicity, gender identity or expression, genetic information, marital status, military/veteran status, national origin, race, religion, creed, sex, sexual orientation, citizenship status, or any other characteristic protected by federal, state, or local law (Protected Characteristics). This commitment extends to non-discrimination in the administration of our policies, admissions, employment, access, and recruitment of candidates, for all persons consistent with our values and based on applicable law.
Notice: If you are a **Current** **Employee,** please **log into myURHR** to search for and apply to jobs using the Jobs Hub. Your application, if submitted using this portal, cannot be moved forward.
**Learn. Discover. Heal. Create.**
Located in western New York, Rochester is our namesake and our home. One of the world's leading research universities, Rochester has a long tradition of breaking boundaries-always pushing and questioning, learning and unlearning. We transform ideas into enterprises that create value and make the world ever better.
If you're looking for a career in higher education or health care, the University of Rochester may offer the perfect opportunity for your background and goals
At the University of Rochester, we are committed to fostering, cultivating, and preserving an inclusive and welcoming culture and are united by a strong commitment to be ever better-Meliora. It is an ideal that informs our shared mission to ensure all members of our community feel safe, respected, included, and valued.

This is an onsite role requiring 5 days per week in our Fremont, CA location.
+ Follows complex defined test plans and datasheets with necessary supervision /support.
+ Evaluates test performance and sample operation to properly evaluate test results.
+ Records and explains test results and completes test report.
+ Serves as Project Lead for simple test programs as assigned with the necessary assistance.
+ Communicates project status and results as needed.
+ Holds responsibility for defining test plan, report completion and accuracy, meeting of agreed deadlines, and managing project related activities.
+ Examines complex customer samples with help and learns to operate appropriate tests for each case.
+ Communicates with customers during setup and operation to ensure proper evaluation.
+ Understands specific test standards and product technology for scope of responsibility.
+ Directs, builds and/or adapts simple test setups and equipment for assigned work, based on test plans and instructions from engineering.
+ Operates and maintains complex test equipment appropriately to measure and test customer samples.
+ Performs complex maintenance on designated test equipment and laboratory area.
+ May perform complex calibration of test equipment Integrates basic continuous improvement concepts and techniques for both process and equipment.
+ Communicates with management and technical staff to provide suggestions for new equipment, processes, and forms to improve accuracy and efficiencies.
+ Read and follow the Underwriters Laboratories Code of Conduct and follow all physical and digital security practices.
+ Other duties as directed.
+ Bachelor's degree in Engineering or Science required.
+ Prior experience with SAR preferred.
+ Proficiency in Microsoft Office including Excel.
+ Strong communication skills and the ability to interact with customers.
What we offer:
+ Total Rewards: We understand compensation is an important factor as you consider the next step in your career. The estimated salary range for this position is $70,000-75,000 and is based on multiple factors, including job-related knowledge/skills, experience, geographical location, as well as other factors. This position is eligible for annual bonus compensation with a target payout of 5% of the base salary. This position also provides health benefits such as medical, dental and vision; wellness benefits such as mental and financial health; and retirement savings (401K) commensurate with the standard rewards offered in each individual location or country. We also provide full-time employees with paid time off including vacation (15 days), holiday including floating holidays (12 days) and sick time off (72 hours).
Learn More:
Curious? To learn more about us and the work we do, visit our company page global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers' product innovation and business growth. The UL Mark serves as a recognized symbol of trust in our customers' products and reflects an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.
UL LLC has been and will continue to be an equal opportunity employer. To assure full implementation of this equal employment policy, we will take steps to assure that:
Persons are recruited, hired, assigned and promoted without regard to race, color, age, sex or gender, sexual orientation, gender identity, gender expression, transgender status, religion, creed, national origin, ethnicity, citizenship, ancestry, disability, genetic information, military or veteran status, pregnancy, marital or familial status, or any other protected category under applicable law.

Description
Project Kuiper is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world.
As a Lab support technician, you will be responsible for performing various tasks throughout the facility. We are looking for candidates who thrive in a fast paced, start-up like environment. To be successful you need to be highly motivated and detail oriented while showing the highest standards of execution.
Key job responsibilities
- Operation of environmental test chambers (Thermal cycling, vacuum, HALT/HASS)
- Install instrumentation on various types of hardware and fixtures
- Execute electronic test procedures for component and system level testing
- Receive shipments and coordinate deliveries with recipients (Using forklifts, pallet jacks, etc)
- Update and repair electrical assemblies and subsystems
- Assemble tooling and assist with equipment maintenance.
New hires will need to meet the following criteria:
- Valid Driver's License and able to satisfy Amazon driver eligibility criteria
- Must have Amazon.com certified forklift training (or be willing to be trained)
- Must be willing and able to work on powered equipment-for example forklift or cherry picker
- With or without reasonable accommodation, be able to lift up to 49 pounds on some occasions, stand/walk for up to 8-10 hours (with breaks), and be able to frequently push, pull, squat, bend, and reach
Export Control Requirement:
Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
A day in the life
Laboratory setting with specialized test equipment
May require occasional extended hours to complete critical test campaigns
Collaborative team environment focused on product quality and reliability
Basic Qualifications
- Bachelor's degree in Engineering (Mechanical, Electrical, Aerospace) or related technical field
- 3+ years of experience with environmental test equipment, particularly thermal and vacuum chambers
- Proven troubleshooting skills for complex electromechanical systems
Preferred Qualifications
- Experience with space hardware testing protocols
- Knowledge of industry standards for environmental testing (MIL-STD, ASTM, etc.)
- Programming skills for test automation
- Experience with data acquisition systems
- Project management experience
- Ability to train others on technical equipment and procedures
- Strong documentation and communication skills
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.
Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $73,900/year in our lowest geographic market up to $165,200/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit . This position will remain posted until filled. Applicants should apply via our internal or external career site.

This is an opportunity to work in a salaried UAW Laboratory as a scientific lab engineer at Ford Central Laboratory. This is an entry level full time/onsite position where the candidate will work as a resource for chemical related issues in a laboratory environment.
**Primary Responsibilities:**
The primary responsibilities for this position will be the analysis of automotive fluids (engine oils, transmission fluids etc.) The candidate will learn and perform automotive fluid testing utilizing specialized laboratory equipment including elemental analysis, Total Acid and Base Number, Viscosity, Fuel Dilution and Oxidation/Nitration. The candidate will also learn to analyze tail pipe emission compounds via HPLC (High-Performance Liquid Chromatography). Longer term possible responsibilities would expand to failure analysis of automotive components to help identify root causes of production, durability and warranty issues.
Bachelor of Science in Chemistry or Chemical Engineering
Demonstrated ability to:
- Maintain Analytical Instrumentation
- Multitask and handle technical issues
- Excellent interpersonal skills and ability to work with others
Unusual or Special Physical Requirements of Position
Examples:
Specify
% of Time
- Lifting
- Climbing
- Crawling
- Special clothing/equipment (wearing)
- Unusual physical requirements
- High noise level
- Other
Test equipment and testing components, up to 50lbs 75
Safety glasses, slip resistant hardened toe shoes, gloves 100
Long pants, short sleeve shirts
Sitting (50%), Standing (50%), Bending (25%), stooping (25%)
Exposure to high noise areas possible in test facility 25%
Description of Work Environment
Examples:
Specify
% of Time
- Inside? Outside? Where
- Combination of above
- Extreme (hot/cold) temperatures involved
- Hazardous conditions - What are they
- Travel/transportation requirements
- Other
Inside 100
NA
NA
May require occasional local travel, 25%
Equipment and Machines Involved in Work Tasks
Examples:
Specify
% of Time
- Office equipment/machines electrically/battery operated - which?
- Vehicles, forklifts, etc. operated which?
- Tools used in trade - which ones?
- Other
Computer, phone 75
NA
Occasional use of hand tools, 25%
Criticality of Attendance
**Attendance** :
Work hours are normally 8 hours per day and 5 days per week, Monday-Friday. Regular attendance of scheduled hours is extremely important, but not critical, except for deadlines and meetings. Punctuality and regular attendance are necessary to meet deadlines. Must exhibit flexibility of work hours to adjust to surge situations based on critical mission requirements.
**Other Essential Functions** :
Must demonstrate professional behavior at all times when dealing with customers, management and co-workers. Must have clear, concise and accurate communications skills in English, both verbal and written. Grooming and dress must be appropriate for the position and must not impose a safety risk to employees or others. Must maintain a positive work atmosphere by behaving and communicating in a professional manner. Independent personal transportation to office or work site is required. Travel to and from customer's locations and the test fields may be required to support projects. This may involve airline travel. In some cases, accommodations can possibly be made for POV, if necessary. When operating any vehicle for work purposes, must wear seat belt and in addition, no cellular devices are to be used when vehicle is in motion. Must pass a background check, drug screen, and HPE.
Examples:
Specify
% of Time
- Overtime, regular days, off days
- Shift
- Necessity for regular attendance
- Urgency for punctuality
8 hours per day Monday thru Friday
May need to flex time to cover weekend testing or project needs 2 nd (Days)
Critical for employee to be there on time on a regular basis.

Our Consumer, Medical, and Information Technology team is seeking a Laboratory Test Engineer to work onsite in our Rochester Hills, MI location.
+ Follows complex test plans and datasheets.
+ Evaluates test performance and sample operation to properly evaluate test results.
+ Records and explains test results and completes test report.
+ Serves as Project Lead for complex test programs as assigned.
+ Communicates project status and results as needed.
+ Holds responsibility for defining test plan, report completion and accuracy, meeting of agreed deadlines, and managing project related activities.
+ Examines complex customer samples and learns to operate appropriate tests for each case.
+ Communicates with customers during setup and operation to ensure proper evaluation.
+ Understands and is able to explain specific test standards and product technology for scope of responsibility.
+ Directs, builds and/or adapts simple test setups and equipment to new situations, based on test plans and instructions from engineering.
+ Trains other lab staff on these test procedures or equipment.
+ Operates and maintains complex test and support equipment appropriately to measure and test customer samples with the necessary help.
+ Performs complex maintenance on designated test equipment and laboratory area.
+ May perform calibration of test equipment.
+ For a single testing technology, integrates continuous improvement concepts and techniques into all aspects of the job.
+ Communicates with management and technical staff to provide suggestions for new equipment, processes, and forms to improve accuracy and efficiencies.
+ Other duties as directed.
+ University Degree in Engineering or related field or 8+ years of experience in an industrial laboratory setting required.
+ Knowledge of ISO 17025.
+ Demonstrated ability to manage multiple projects while maintaining high quality and exceptional customer service.
+ Demonstrated ability to successfully partner with Engineering and other Laboratory Personnel to complete projects in a timely manner with high quality.
+ Demonstrated ability to analyze special testing needs.
+ Demonstrated ability to coach and mentor more junior laboratory staff.
+ Highly effective written and verbal communication skills and ability to interact with customers.
+ Proven ability to be innovative and creative.
+ Desire to work in a team-oriented environment.
+ Ability to use Microsoft Office suite is a must.
+ Ability to incorporate automation into day-to-day testing.
A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers' product innovation and business growth. The UL Mark serves as a recognized symbol of trust in our customers' products and reflects an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.
UL LLC has been and will continue to be an equal opportunity employer. To assure full implementation of this equal employment policy, we will take steps to assure that:
Persons are recruited, hired, assigned and promoted without regard to race, color, age, sex or gender, sexual orientation, gender identity, gender expression, transgender status, religion, creed, national origin, ethnicity, citizenship, ancestry, disability, genetic information, military or veteran status, pregnancy, marital or familial status, or any other protected category under applicable law.

Job Summary:
The Biomedical Engineer plans, trains others, and installs, maintains and repairs sophisticated medical equipment and systems utilized in the diagnosis treatment and monitoring of patients.
Essential Responsibilities:
+ Working under the supervision of a manager or designee, perform all phases of scheduled and corrective repairs of biomedical equipment and medical systems.
+ Perform pre-issue and asset accounting, equipment installation and de-installation of related equipment as needed.
+ Performs scheduled and unscheduled inspections, maintenance and electrical safety tests of biomedical equipment where applicable to maintain code compliance.
+ Responsible for documenting the results of all inspections, maintenance and tests.
+ Must work collaboratively with all other biomedical engineers specialties (Instrumentation, X-Ray, CT/MR, Diagnostic Ultrasound, Nuclear Med, Clinical Laboratory, RT/Anesthesia, Ophthalmology/Lasers, and Clinical Systems Integrations), KPIT, Business Partners, and Original Equipment Manufacturer (OEM) representatives.
+ Individual is required to complete applicable documentation of all work performed, in a timely manner.
+ Frequent travel will be required for the Shared Services/Support biomed engineers to provide service support.
+ Occasional travel will be required for the Stationary Service Area Support biomed engineers to provide service support to other sites.
+ All biomed engineers will be required to travel to attend technical training.
+ Afterhours work may be required on a scheduled and nonscheduled basis to complete required work.
+ Will be assigned to weekday and weekend on-call schedule to perform emergency service.
+ Communication devices will be supplied and will need to be kept ON during duty hours.
Basic Qualifications:
Experience
Minimum four (4) years experience of formal and/or on the job training.
Clinical Laboratory - Must have a minimum of four years of service experience and formal OEM training on the various Instruments used in the Regional and Clinical Laboratory departments. Strong working knowledge and experience supporting large automated pre and post specimen processing systems.
Education
+ High School Diploma or General Education Develompment (GED)
License, Certification, Registration
+ Driver's License (California)
Additional Requirements:
+ Must have good driving record.
+ Must have experience and working knowledge of the medical equipment and systems in general instrumentation or the specialty area assigned and identified above.
+ Must be willing to work extended hours.
+ Must be proficient operating PCs with Windows operating systems.
Preferred Qualifications:
+ Associates degree or equivalent in electronics, physics or related science degree preferred.
COMPANY: KAISER
TITLE: Biomedical Engineer, Laboratory
LOCATION: Berkeley, California
REQNUMBER:
External hires must pass a background check/drug screen. Qualified applicants with arrest and/or conviction records will be considered for employment in a manner consistent with Federal, state and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran, or disability status.

Our client is a cutting-edge research and development firm dedicated to pushing the boundaries of scientific discovery. We are seeking a highly experienced and innovative Principal Data Scientist to lead complex analytical projects and drive data-driven insights within our scientific research division. This is a hybrid role, offering a blend of in-office collaboration and remote flexibility. The ideal candidate will possess exceptional skills in statistical modeling, machine learning, and have a deep understanding of scientific methodologies.

Responsibilities:

• Lead the design, development, and implementation of advanced statistical models and machine learning algorithms to analyze large, complex datasets from scientific experiments.
• Extract, clean, and transform data from diverse sources, ensuring data integrity and accuracy for analysis.
• Develop predictive models and analytical solutions to address challenging scientific questions and accelerate research breakthroughs.
• Collaborate closely with research scientists, engineers, and domain experts to understand their data needs and translate them into analytical frameworks.
• Communicate complex findings and insights clearly and effectively to both technical and non-technical stakeholders through reports, presentations, and visualizations.
• Mentor junior data scientists and contribute to the growth and development of the data science team.
• Stay current with the latest advancements in data science, machine learning, and relevant scientific fields, and evaluate their applicability to our research initiatives.
• Design and conduct A/B tests and other experimental designs to validate hypotheses and measure the impact of interventions.
• Develop and maintain data pipelines and workflows to ensure efficient data processing and analysis.
• Contribute to the strategic vision for data utilization and analytics within the organization.

Qualifications:

• Master's or Ph.D. in Data Science, Statistics, Computer Science, Physics, Biology, or a related quantitative field.
• 10+ years of professional experience in data science, with a significant focus on scientific research or R&D environments.
• Expertise in programming languages such as Python or R, and experience with relevant libraries (e.g., scikit-learn, TensorFlow, PyTorch, pandas, NumPy).
• Deep understanding of statistical modeling, machine learning techniques (e.g., regression, classification, clustering, deep learning), and experimental design.
• Experience with big data technologies (e.g., Spark, Hadoop) and database management (SQL, NoSQL).
• Excellent data visualization skills and experience with tools like Tableau, Power BI, or Matplotlib.
• Strong ability to translate complex scientific problems into solvable data science challenges.
• Exceptional communication and interpersonal skills, with the ability to influence and collaborate effectively across teams.
• Experience in a hybrid work environment and the ability to manage time effectively.

This position is located in Charlotte, North Carolina, US , requiring occasional presence in the office for collaborative sessions.