Sr. Systems Engineer TS/SCI Poly
Listed on 2026-07-09
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IT/Tech
Systems Engineer -
Engineering
Systems Engineer
Join us and make a difference in National Security!
Job SummaryA Senior Systems Engineer is needed to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology. Candidates must possess a high level of in‑depth expertise necessary to design and develop new capabilities for a complex system with exacting interface, performance, and security requirements. The selected individual will provide system engineering expertise in system architecture, design, development, requirements analysis, data flow, network design/implementation, testing, and documentation.
Responsibilities include supporting and providing guidance for system development and implementation planning, developing system configuration documentation, performing engineering activities such as risk assessments, and helping to create test procedures.
Roles And Responsibilities
- Provide guidance and support for system engineering of large‑scale systems and interfacing systems in a complex network environment.
- Provide technical guidance for future system enhancements and design.
- Update System Engineering Documentation.
- Provide Analysis of Alternatives (AoA) or similar evaluation methodologies.
- Interface with Program Management, System and Software Integration Engineers, Test Engineers, Information Assurance Engineers, and other project team members in an Agile environment.
- Develop and implement system engineering practices ensuring proper rigor is applied to all assigned tasks.
- Communicate with and collaborate with internal technical professionals and customer representatives as needed.
- Actively participate in program increment planning and other Agile team activities.
- Provide hands‑on technical assistance to engineering teams for data gathering and auditing purposes throughout multiple data centers.
- Master’s degree with 15–20 years of relevant experience or Doctorate with 13–16 years of relevant experience.
- In‑depth experience in system architecture, design and development, requirements analysis, data flow design/analysis, network design/implementation, testing, and technical system documentation.
- Experience or strong familiarity with data centers and/or server rooms, including rack‑based servers, network switches, KVMs, routers, backup and recovery devices, firewalls, and security appliances.
- 1–3 years of experience with infrastructure components (servers, switches, firewalls, and other enterprise infrastructure hardware).
- 5+ years of experience working on system architecture design, building, and integration.
- 5+ years of experience working on large complex system architectures.
- Requirements verification traceability experience.
- Experience analyzing user requirements, system architecture, and/or system requirements specifications.
- Experience in discovery, research and analysis for hardware and software transitions.
- Experience gathering information related to the lifecycle of equipment and software.
- Solid understanding of secure systems engineering and development.
- Ability to work on multiple systems and components simultaneously in various configurations.
- Strong planning and prioritization skills and clear communication regarding technical options and trade‑offs.
- Capability to perform systems engineering activities in support of Agile teams on a large program.
- Committed to adopting, adhering to, and championing best practices.
- Clearance Required:
Must have TS/SCI with Polygraph on day one. This is firm.
- In‑depth experience transitioning legacy systems to new architectures.
- Experience with model‑based systems engineering.
- Experience with risk management and risk register.
- Experience with the Scaled Agile Framework (SAFe) methodology or as a member of an Agile team.
- Experience administering Windows Server and Linux Server platforms.
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Pay and BenefitsCompetitive compensation and benefits including Paid Time Off, 11 paid holidays, 401(k) with 6% company match and immediate vesting, flexible schedules, discounted stock purchase plans, technical upskilling, education and training support, parental paid leave, health and wellness programs, income protection, paid leave, and retirement options.
Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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