> Markdown version of [/jobs/ext/4329834-systems-test-engineer-level-5](https://www.wearedevelopers.com/jobs/ext/4329834-systems-test-engineer-level-5). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Test Engineer (Level 5) - **Company:** Northrop Grumman - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $161,000.0 - $241,400.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, System Testing, SC Clearance - **Published:** October 8, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9227796/systems-test-engineer-level-5 ## About the Role For Senior Principal Engineer (Level 5): * Must have a Bachelor's of Science Degree in a STEM discipline and 12 years of related professional/military experience in Systems Engineering, OR a Master's Degree and 10 years of related professional/military experience in Systems Engineering. * Ability to obtain and maintain an active U.S. government Secret clearance. * Ability to obtain and maintain Special Program Access (PAR) as determined by business needs, * An active U.S. government Secret clearance or higher (with background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation). * Demonstrated communication and technical writing skills. * Proven ability to brief technical presentations to stakeholders. ## Description Northrop Grumman Aeronautics Systems has opportunities for a Systems Test Engineer (Principal or Senior Principal Engineer Level)to join our team in El Segundo, CA. * Synthesizes customer contractual needs and requirements into system test solutions that acknowledges technical, schedule and cost constraints. * Develops and directs preparation and execution of comprehensive test plans, procedures and schedules for completing systems. * Coordinates integrated testing activities. * Reviews and evaluates test requirements to insure completeness of test program. * Performs technical analysis of complete systems and prepares comprehensive system level evaluations. This role may be filled at either an Principal Engineer (Level 3) or Sr Principal Engineer (Level 4) level.