5,146 Security Systems jobs in the United States

Title:
Information Security Systems Engineer
Belong. Connect. Grow. with KBR!
KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security.
Why Join Us?
+ Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
+ Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.
+ Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.
KBR is seeking an Information Systems Security Engineer will directly support SPARTA in Lorton, Virginia.
Qualifications:
Required:
+ A minimum of fifteen (10) years of related work experience in information security, and of those years, at least ten (10) years of experience supporting a component of the Department of Defense (DoD) or Intelligence Community (IC).
+ A master's degree in computer science, Information Technology, Cyber-security, or a related field (or a bachelor's of science degree in related field with an additional 4 years of related work experience).
Desired:
+ Experience with DEVSECOPS, containerization, and zero-trust architectures (preferred).
+ Splunk or Elastic Certifications (preferred).
+ Experience with Department of Defense (DoD) Special Access Program (SAP) administrative processes (preferred).
+ A DoD -M IAT Level III technical certification (such as CISSP, CASP, or other level 3 technical certification)
+ Cloud Service Provider Associate Certification (AWS, Azure, Oracle, or Google).
Work Environment:
+ Location: On-site, Lorton, Virginia
+ Travel Requirements: Minimal 0-20%
+ Working Hours: Standard
Scheduled Weekly Hours:
40hrs
KBR Benefits
KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.
Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team's philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.
KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Job Description
A client of Insight Global is looking for a Security Engineer to join their team in Melbourne, FL. This team is a managed network provider for a 365/24/7 network. The Engineer will act as the primary engineering support to network security operations for the testing and evaluation of new Security products and services. Other responsibilities include:
- Administer and manage Security Information and Event Management (SIEM) infrastructure to ensure robust monitoring and incident response capabilities
- Develop and enforce security policies, procedures, and measures in alignment with the program's cybersecurity strategies.
- Design, implement, and manage security solutions, including but not limited to firewalls, intrusion detection systems, endpoint protection, and encryption tools.
- Develop, maintain and publish technical documentation in accordance with Systems Engineering processes.
- Act as a Security Support Engineer for State, Federal and commercial customer
We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: and Requirements
- 3+ years of experience in the network security engineering field (Information Security, Network Engineering, or System Administration)
- Strong experience with SIEM tools
- Proficient knowledge of Cisco network infrastructure, including LAN/WAN, VPNs, routers, and switches.
- Ability to obtain and maintain a public trust clearance Experience administering Next Generation Firewalls (NGFW) (Fortinet, Cisco, or Palo Alto).
Prior federal telecommunications and network security experience
CompTIA Security+ or CCNA or CISSP certification.

**Description**
**Program Summary**
As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise and advice to our customer.
**Primary Responsibilities:**
The Senior ISSE shall deliver and lead threat-informed cybersecurity products - cybersecurity risk assessments, architecture reviews, and engineering guidance that bring sound, accurate, timely, and actionable service to mission partners: This includes:
+ Conduct cybersecurity risk assessments and provide prioritized risk mitigation recommendations in support of the customer's mission.
+ Support the design, implementation, and operation of real-time capabilities to discover, detect, analyze, and mitigate threats and vulnerabilities.
+ Analyze candidate architectures by evaluating against defined security requirements to identify security gaps, and provide recommended mitigation strategy.
+ Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness.
+ Aid stakeholders through the development, refinement, delivery, and implementation of innovative solutions and capabilities.
+ Engage stakeholders to ensure security objectives, protection needs, security requirements and associated validation methods are defined.
+ Validates and verifies system security requirements definitions and analysis and establishes system security design
+ Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing and enclave environment to include those with multiple enclaves and with differing data protection/classification requirements
+ Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions
+ Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations
+ Reviews C&A documentation, providing feedback on completeness and compliance of its content
**CLEARANCE REQUIRED** : Active TS/SCI with polygraph. US Citizenship required. CCA cases may be considered.
**Qualifications**
+ Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space
+ CISSP certification required
+ CISSP - ISSEP DoD approved 8570 baseline certification for Level III position only
+ Strong writing skills
+ Confidence and ability to present briefing to senior level DoD officials in both prepared briefings and/or in ad hoc discussions.
+ Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments
+ Expertise in network technology and systems security engineering. Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software applications, firmware, network hardware components, as well as network architecture design to identify protection needs and documented policies and procedures.
+ Experience developing and documenting system security requirements and conducting requirements gap analysis.
+ Experience with security monitoring and incident response capabilities
+ Experience with emerging technologies such as Zero Trust, Cloud Computing, etc.
+ Knowledge of, and practical experience with the NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.
+ Ability to work independently within a schedule and with little direction.
CONMD
careers.leidos.com/CONMD ( Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."
If you're already scheming step 20 while everyone else is still debating step 2. good. You'll fit right in.
**Original Posting:**
May 28, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $126,100.00 - $227,950.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

In a world of possibilities, pursue one with endless opportunities. Imagine Next!
At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible.
**Job Description:**
Parsons is looking for a talented **Level 3 ISSO** to join our growing team!
In this mission critical role you will develop, maintain, and implement information security standards, procedures, and guidelines for applications and databases. You will ensure that systems and organizational databases are protected from unauthorized access and use, and monitor systems, identify threats, and handle disaster recovery operations. Utilizes detailed knowledge of system functions, security policies, technical security safeguards, and operational or procedural security measures commonly used to implement NIST SP 800-53 security controls.
**What You'll Be Doing:**
+ Perform assessments of systems and networks within the networking environment or enclave and identifies where those systems/networks deviate from acceptable configurations, enclave policy, or local policy. This is achieved through passive evaluations (compliance audits) and active evaluations (vulnerability assessments).
+ Assists and provides Subject Matter Expertise in the Development of documentation in support of Risk Management Framework (RMF) processes; operating procedures, and policies;
+ Establish strict program control processes to ensure mitigation of risks and supports for obtaining certification and accreditation of systems. This includes process support, analysis support, coordination support, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits.
+ Perform analyses to validate established security requirements and recommends additional security requirements and safeguards where required.
+ Support the formal Security Test & Evaluation (ST&E) required by each government accrediting authority through pre-test preparations, participation in the tests, analysis of the results, and preparation of required reports.
+ Periodically conduct a review of each system's audits and monitors corrective actions until all actions are closed.
+ Contribute to and potentially lead the planning and implementation of large programs in the function, and regularly interfaces with senior management and executive leadership.
+ Play a role in overall functional strategic planning.
+ Assist in the implementation of required government policy (NIST 800-53, 800-137, ICD 503 etc.), and makes recommendations on process tailoring.
+ Performing Continuous Monitoring (ConMon) duties in accordance with NIST SP 800-137 (Continuous Monitoring) to include auditing for anomalous or malicious user activity
**What Required Skills You'll Bring:**
+ **Active Top Secret/SCI with CI Polygraph.**
+ Bachelor's Degree with 6+ years of relevant experience. Additional years of experience can count towards the lack of a degree, and additional education can count towards the years of experience requirement.
+ Experience with Risk Management Framework (RMF).
+ **IAT-III Certification** in accordance with DoD 8140 guidance such as (e.g. CISSP, CASP, CISA, etc), or **must be willing to obtain / maintain within 6 months of hire.**
**What Desired Skills You Might Bring:**
+ Leadership experience
+ Effective interpersonal and communication skills
+ Ability to Mentor, provide guidance and instructional aide to Mid-level and Junior ISSOs
+ Familiarity with conducting research and analysis.
+ Familiarity with network and information system security principles and best practices.
+ Familiarity with controlling, labeling, virus scanning, and appropriately transferring data (uploading/downloading) between information systems at varying classification levels.
+ Ability to work with the military, civilians, and other contractors at all levels.
+ Ability to prioritize tasks.
+ Familiarity with applicable IC and DoD policies, procedures and operating instructions related to Information Technology, Information Assurance, Information Management (IT/IA/IM).
+ Effective interpersonal and communication skills
+ Knowledge of computer networking concepts and protocols, and network security methodologies.
+ Knowledge of security violation mitigation measures and incident reporting actions.
+ Knowledge of host/network access control mechanisms (e.g., access control list).
+ Knowledge of cybersecurity principles used to manage risks related to the use, processing, storage, and transmission of information or data.
+ Knowledge of system life cycle management principles, including software security and usability.
+ Awareness of Cloud based security tools: Cloud Trail, Guard Duty, or similar Hosting providers Security tools
**Security Clearance Requirement:**
An active Top Secret SCI w/Polygraph security clearance is required for this position.
This position is part of our Federal Solutions team.
The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what's next to deliver the solutions our customers need now.
Salary Range: $108,700.00 - $190,200.00
We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!
Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.
We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!
Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to .
About Us
Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.
Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.
For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Sr Information Security Systems Engineer
Job Code:
Job Location: Palm Bay, FL
Job Schedule: 9/80 (Every other Friday off!)
Relocation: Relocation assistance available to qualified applicants
Job Description:
This role applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Throughout the lifecycle of system, works closely with customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early, and in a sustainable manner that will allow for the security authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products using methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment while implementing the policies and procedures necessary to monitor and maintain such an environment. Prepares Certification and Accreditation documentation, using multiple industry standards such as DITSCAP, NIACAP, DCID 6/3, Common Criteria, and NIST 800-37, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.
We are excited to review your appliation. Step forward with L3Harris!
Essential Functions:
+ Lead the development and implementation of program protection throughout the System Development Lifecycle. Key tasks include
+ Assessing systems for Critical Program Information
+ Conducting trade studies
+ Developing program protection requirements
+ Implementing security architectures
+ Assessing threats via attack/countermeasure analysis
+ Conducting Verification and Validation activities.
+ Serve as a SME in the area of program protection
+ Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and Program Protection Plans
+ Interact with customer to define program protection requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
+ Utilize Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development.
+ A&A package processing
+ RMF accreditation of Platform IT (PIT) systems
+ NSA Type 1 Certification of cryptographic high assurance devices
+ Experience with NSA High Assurance products and IASRD and SERD requirements
+ Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data
+ Assist program security in the development of policies and procedures for emerging security technologies
+ Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects
+ Provide Security Testing and Verification
+ Work is to be accomplished 100% onsite, in a lab environment
Qualifications:
+ Bachelor's Degree and a minimum of 12 years of prior relevant ISSE experience. Graduate Degree and a minimum of 10 years of prior related experience. In lieu of a degree, minimum of 16 years of prior related experience.
+ Minimum of Collateral Secret security clearance required
+ Professional experience with RMF (Risk Management Framework) required
+ Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start
Preferred Additional Skills:
+ Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
+ Active TS/SCI Clearance is highly desired
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance)
Job Code: 29345
Job Location: Clifton, NJ
Job Schedule: 9/80
Relocation: Relocation assistance available to qualified applicants
Essential Functions:
+ Lead the development and implementation of Anti-Tamper (AT) measures throughout the System Development Lifecycle.
+ Serve as a Subject Matter Expert (SME) in the area of AT.
+ Assess systems for Critical Program Information (CPI).
+ Conduct trade studies and develop AT requirements.
+ Assess threats via attack/countermeasure analysis.
+ Conduct Verification and Validation activities.
+ Use DoD for the identification and protection of CPI.
+ Engineer trustworthy and secure systems in accordance with NIST 800-160.
+ Develop and implement comprehensive Program Protection Plans (PPP) to safeguard critical program information (CPI) and technologies.
+ Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans.
+ Interact with customers to define AT requirements, solutions, trades, costs, implementation, system impacts, and effectiveness.
+ Collaborate with customers, internal program teams, and leadership to address program needs.
+ Mentor and develop junior engineers.
+ Provide DoD software selection and approval processes for COTS, GOTS, and FOSS.
+ Support security engineering activities, including basis of estimate development, requirements development, design, testing, configuration management, and maintenance of information systems and data.
+ Assist program security in the development of policies and procedures for emerging security technologies.
+ Support the evaluation, qualification, testing, and delivery of security architecture improvements, obsolescence replacements, and vulnerability response projects.
+ Provide Security Testing and Verification.
+ Interact with customer, internal program team, and leadership the needs.
+ Assess security and privacy controls in embedded systems using NIST 800-53.
+ Utilize Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development.
+ A&A package processing.
+ RMF accreditation of Platform IT (PIT) systems.
+ Provide DoD software selection and approval processes for COTS, GOTS and FOSS.
+ Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data.
+ Assist program security in the development of policies and procedures for emerging security technologies.
+ Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects.
+ Provide Security Testing and Verification.
+ Work is to be accomplished 100% onsite, in a lab environment.
Qualifications:
+ Bachelor's Degree and a minimum of 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
+ Minimum of Collateral Secret security clearance required.
+ Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start.
+ Prior or current experience with the development and implementation of Anti-Tamper (AT) for the protection of CPI throughout the System Development Lifecycle.
Preferred Additional Skills:
+ Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
+ NSA Type 1 Certification of cryptographic high assurance devices.
+ Experience with NSA High Assurance products and IASRD and SERD requirements.
+ Professional experience with RMF (Risk Management Framework) in embedded systems.
+ Active TS/SCI Clearance is highly desired
In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $125,000.00 - $32,000.00. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is 108,500.00 - 201,500.00. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance)
Job Code: 26869
Job Location: Ashburn, VA
Job Schedule: 9/80
Relocation: Relocation assistance available to qualified applicants
Essential Functions:
+ Lead the development and implementation of Anti-Tamper (AT) measures throughout the System Development Lifecycle.
+ Serve as a Subject Matter Expert (SME) in the area of AT.
+ Assess systems for Critical Program Information (CPI).
+ Conduct trade studies and develop AT requirements.
+ Assess threats via attack/countermeasure analysis.
+ Conduct Verification and Validation activities.
+ Use DoD for the identification and protection of CPI.
+ Engineer trustworthy and secure systems in accordance with NIST 800-160.
+ Develop and implement comprehensive Program Protection Plans (PPP) to safeguard critical program information (CPI) and technologies.
+ Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans.
+ Interact with customers to define AT requirements, solutions, trades, costs, implementation, system impacts, and effectiveness.
+ Collaborate with customers, internal program teams, and leadership to address program needs.
+ Mentor and develop junior engineers.
+ Provide DoD software selection and approval processes for COTS, GOTS, and FOSS.
+ Support security engineering activities, including basis of estimate development, requirements development, design, testing, configuration management, and maintenance of information systems and data.
+ Assist program security in the development of policies and procedures for emerging security technologies.
+ Support the evaluation, qualification, testing, and delivery of security architecture improvements, obsolescence replacements, and vulnerability response projects.
+ Provide Security Testing and Verification.
+ Interact with customer, internal program team, and leadership the needs.
+ Assess security and privacy controls in embedded systems using NIST 800-53.
+ Utilize Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development.
+ A&A package processing.
+ RMF accreditation of Platform IT (PIT) systems.
+ Provide DoD software selection and approval processes for COTS, GOTS and FOSS.
+ Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data.
+ Assist program security in the development of policies and procedures for emerging security technologies.
+ Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects.
+ Provide Security Testing and Verification.
+ Work is to be accomplished 100% onsite, in a lab environment.
Qualifications:
+ Bachelor's Degree and a minimum of 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
+ Minimum of Collateral Secret security clearance required.
+ Minimum of Collateral Secret security clearance required.
+ Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start.
+ Prior or current experience with the development and implementation of Anti-Tamper (AT) for the protection of CPI throughout the System Development Lifecycle.
Preferred Additional Skills:
+ Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
+ NSA Type 1 Certification of cryptographic high assurance devices.
+ Experience with NSA High Assurance products and IASRD and SERD requirements.
+ Professional experience with RMF (Risk Management Framework) in embedded systems.
+ Active TS/SCI Clearance is highly desired.
In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $125,000.00 - $32,000.00. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is 108,500.00 - 201,500.00. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Senior Associate, Information Security Systems Engineer
Job Code: 27593
Job Location: Melbourne, FL
Job Schedule: 9/80
Job Description:
L3Harris is seeking a skilled technical professional with experience in virtualization infrastructure and system administration, with a general focus on Red Hat Enterprise Linux (RHEL) and Windows. Join our team of Information Security Systems Engineers (ISSEs) to support Managed Network Infrastructures and Services for federal government customers. The ideal candidate will possess a deep understanding of security protocols, virtualization technologies, and advanced system administration practices.
+ This position is ONSITE at L3Harris offices located in Melbourne, Florida
+ This role may require weekend, after-hours, or on-call rotations to meet program requirements and/or ongoing program support
+ This position requires travel to a disaster recovery site to support if needed in an emergency
+ This position requires the ability to obtain FAA Public Trust Suitability
Essential Functions:
Specific responsibilities will include:
+ Intermediate Red Hat Linux troubleshooting and support
+ System management with Red Hat Satellite
+ Red Hat Ansible script development and script administration
+ Familiarity with VMware/Omnissa Horizon Virtual Desktop Infrastructure (VDI) deployments using Windows and Red Hat instant clone desktops
+ Basic understanding of Horizon AppVols and application management
+ Monitor and maintain remote geographically distributed hyperconverged VMware vSphere infrastructures utilizing vSAN
+ Resolve issues within the environment by coordinating with internal and external groups, supporting stakeholder meetings, and maintaining regular customer interactions to ensure effective problem resolution
+ Demonstrate experience in administering Microsoft Windows domains and services, including system administration tasks and maintenance
+ Develop, maintain, and publish up-to-date technical documentation of designs and configurations in accordance with L3Harris Systems Engineering processes
+ Support other tools and applications as needed, focusing on application administration/management
Qualifications:
+ A Bachelor's degree in Computer Engineering, Computer Science, IT Security, or a related field with at least 2 years of relevant experience; or a Graduate degree in the same fields and a minimum of 0-2 years of relevant experience. In lieu of a degree, a minimum of 6 years of prior relevant experience
+ 1 - 2 years of Red Hat or equivalent Linux operating system administration experience
+ 1 year of VMware Horizon virtual windows or red hat desktop support with desktop pools, instant clones, golden images
+ 1 year of VMware Horizon Virtual Desktop Infrastructure support with vCenter, ESXi, Connection Server, Unified Access Gateway (UAG), AppVols, Horizon Administration
+ 1 year of command line experience in Linux
Preferred Additional Skills:
+ Experience with Cisco UCS servers, UCS fabrics
+ Basic SQL administration
+ Experience working with Bash, and Ansible
+ Experience with Microsoft ADFS
+ Strong understanding of Identity Management (IdM) utilizing SAML
+ Knowledge of CIS, NIST, STIG compliance
+ Experience with Microsoft Windows Public Key Infrastructure (PKI)
+ Experience with Disaster Recovery management and planning
+ Experience with Samba
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .

**Description:** The coolest jobs on this planet. or any other. are with Lockheed Martin Space.
Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems.
Do you want to join a team where employees envision the impossible, perform with excellence and build incredible products?
The Payload Launch Sites Support Services (PLSSS)
Program provides all launch processing support functions for Office of Space Launch (OSL). The program's two primary operating locations are Vandenberg AFB, CA, and Cape Canaveral AFS, FL. Key elements of the PLSSS program scope include satellite launch processing, satellite transport operations, satellite propellant loading operations, and satellite processing facilities O&M, clean room operations, and safety and environmental services.
The Engineer selected for this position will be assigned to the Facilities Engineering team and must have the ability to obtain a Top-Secret security clearance so they can work with teammates to accomplish the proper sustainment and operations of U.S. Government security systems supporting Launch processing activities.
Summary of Key Duties for this position:
-Assist in the sustainment and operations of the Enterprise Access Control System, Perimeter Detection System, Operational and Security Closed Circuit Video Systems, Video Walls, Monitors and displays, computers and networks.
-Design, configure, document, and troubleshoot IP Networks & VMware environments.
-Apply cybersecurity fundamentals to networking equipment, including hardening, analysis, vulnerability management.
-Interface and brief engineering efforts to Lockheed leadership, U.S. Government, and Satellite Vehicle Contractor personnel.
-Perform final inspection and develop corrective actions for non-conformance items.
-Gather and review data concerning systems and equipment specifications, company, or government restrictions, required completion date, and solution feasibility.
-Monitor and report progress of several concurrent projects to ensure conformance to established drawings, specifications, and schedules.
**Basic Qualifications:**
- US Citizen with active TS/SCI clearance.
- Ability to work occasional odd shifts.
- Must be able to work offsite, including some out-of-state travel.
- Must be able to work effectively in a team environment.
- Must be able to multi-task.
- Must be detail oriented.
**Desired Skills:**
- Operating systems, Windows Client/Server, VMware virtual environment (vSphere, vCenter, and ESXi) Storage Area Networks and SQL Server.
- Experience in operation and configuration of IT/IP-based systems such as electronic security systems, perimeter detection systems, CCTV cameras.
- Networking experience using Cisco routers, switches, firewalls and Identity Services Engine.
- Holds CompTIA's Security+ certification or higher.
- Holds Level 1 - AC9001 - C-CURE 9000 Installer Maintainer Certification.
- Holds Level 2 - AC9005 - C-CURE 9000 Advanced Integrator Certification.
- Level 3 - AC9444 - C-CURE 9000 Enterprise Architecture Certification.
**Security Clearance Statement:** This position requires a government security clearance, you must be a US Citizen for consideration.
**Clearance Level:** TS/SCI w/Poly
**Other Important Information You Should Know**
**Expression of Interest:** By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
**Ability to Work Remotely:** Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
**Work Schedules:** Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
**Schedule for this Position:** Standard Monday to Friday 40 hour work week
**Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.**
**The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.**
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.
With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.
If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs , and apply for roles that align with your qualifications.
**Experience Level:** Experienced Professional
**Business Unit:** SPACE
**Relocation Available:** Possible
**Career Area:** Systems Engineering: Network Systems Engineers
**Type:** Full-Time
**Shift:** First