Leidos has a new and exciting opportunity for a System Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary:

Leidos is seeking a highly motivated Systems Engineer with hands-on experience in both Linux and Windows environments, deep familiarity with RF systems, and a strong background in FORNSAT operations. This individual will provide end-to-end systems engineering support across the project lifecycle—from concept to deployment—with a focus on secure, resilient, and mission-ready solutions.

Key Responsibilities

Support full lifecycle systems engineering activities including requirements analysis, design, integration, verification, and validationProvide expertise across both Linux and Windows platforms, ensuring compatibility and securityDesign, test, and optimize RF systems, antennas, and signal pathsApply FORNSAT knowledge to support signal collection and analysis initiativesCollaborate with multi-disciplinary teams including software developers, analysts, and field engineersDevelop and maintain system documentation, diagrams, and configuration management artifacts, while supporting mission operations and resolve technical issues in real time

Qualifications:

Seven (7) years of experience as a System Engineer in Contracts and Programs of similar scope, type and complexity is required.Bachelor’s degree in system engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.Five (5) years of additional SE experience may be substituted for a bachelor's degree.Clearance Requirement: Active TS/SCI with Poly

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today

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Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:July 29, 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 $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline only and 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.