System Engineer

al systems.

• Ensure full compliance with security frameworks like DISA STIGs and RMF.

• Collaborate across engineering disciplines to deliver resilient, high-availability solutions.

• Automate network operations using PowerShell, Bash, or other scripting tools.

• Drive technical planning and system design across hardware, software, and network layers.

• Execute seamless system integration, validation, and deployment in real-world environments.

• Analyze trade-offs in cost, risk, and supportability to maximize system performance.

• Lead requirements analysis, functional decomposition, and timeline forecasting.

• Define interfaces and conduct trade studies to align subsystems into cohesive architectures.

• Manage technical execution to meet performance, quality, and delivery benchmarks.

• Support rigorous testing, quality assurance, and configuration management throughout development.

Basic Qualifications:

• Active TS/SCI with Polygraph clearance - non-negotiable.

• Bachelor's in IT, Computer Science, or related field with 8+ years of experience, or Master's with 6+ years. Equivalent experience may substitute for a degree.

• Deep expertise in network security and compliance.

• 8570 compliant, ideally with CompTIA Security+ CE or higher.

• Proven success in designing, integrating, and fielding complex systems across hardware, software, and networks.

• Strong command of requirements analysis, interface definition, trade studies, and timeline analysis.

• Hands-on experience with system testing, verification, and quality assurance.

• Exceptional problem-solving skills, especially in ambiguous or undefined technical scenarios.

• Solid understanding of systems integration and troubleshooting in complex architectures.

• Clear, confident communicator with a track record of cross-functional collaboration.

Preferred Qualifications:

• Advanced knowledge of Systems Engineering principles (e.g., INCOSE standards).

• Experience with modeling and design tools like SysML, Cameo, IBM DOORS.

• Cybersecurity expertise in system design and risk management.

• Familiarity with test automation frameworks and scripting for validation.

• Background supporting DoD or Intelligence Community programs.

• Strong skills in network hardening, vulnerability remediation, and compliance.

• Excellent technical documentation and communication abilities.

• Broad systems knowledge across hardware, software, and networking disciplines.

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:
October 7, 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 $112,450.00 - $203,275.00

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.