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# Principal Systems Engineer

- **Company:** Nleidos Defense Systems Sector
- **Location:** United States
- **Experience:** Expert
- **Salary:** $131,300.0 - $237,350.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Scrum Methodology, Systems Modeling Language, Systems Architecture, MagicDraw, DOORS (Software)
- **Published:** October 31, 2026
- **Apply:** https://jobs.military.com/career/383550/principal-systems-engineer-pennsylvania-pa-king-prussia

## About the Role

* Master's degree in, engineering, or related STEM discipline with 10+ years of systems engineering experience; OR a bachelor's degree in engineering, or similar with 12+ years of relevant systems engineering experience.\n
 * Proven background as a architect or technical lead creating flight-worthy weapon systems.\n
 * Comprehensive working knowledge and implementation history with defense standards\n
 * Demonstrated experience leading multi-disciplinary engineering teams, acting as an IPT Lead, product owner, or scrum master within an agile framework.\n
 * U.S. Citizenship is strictly required. Candidate must possess an active Top Secret security clearance\n
 * Ability to travel 25% or more\n, * Prior experience developing high complexity hypersonic systems\n
 * Familiarity with Model-Based Systems Engineering (MBSE) methodologies, SysML concepts, or requirements tools such as Cameo/MagicDraw and IBM DOORS.\n
 * Hands-on experience implementing open system architectures such as Weapon Open System Architecture (WOSA) or Modular Open Systems Approach (MOSA) messaging standards.\n