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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Experience:** Expert - **Salary:** $110,300.0 - $165,500.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Software Applications, Systems Engineering, Automation of Marketing, Red Hat Enterprise Linux, Software Systems, System Testing - **Published:** September 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9194871/principal-systems-engineer ## About the Role * Senior Principal System Engineer - Bachelor's degree in STEM and 8 years of relevant experience in system engineering related to software systems; or 7 Years with Masters; 4 Years with PhD) or 12 years of experience in lieu of degree may be considered, * Experience with integration and testing of software * Excellent written and oral communication skills * Experience creating test scenarios to test new functionality and verify requirements * Able to multi-task and demonstrate strong time-management skills * Demonstrated ability to function in fast-paced, rapidly changing environment * Demonstrated ability to follow detailed steps in order to ensure tests are completed and products delivered * Hold or able to obtain a DoD Secret clearance Following are good to have, but are not required: * Experience with Red Hat Enterprise Linux (RHEL) * Strong mathematics and statistics aptitude/experience * Ability to read and interpret system level requirements * Experience with public speaking in order to present test material directly to customers * Ability to work with diverse technical, programmatic and user communities, supporting the modernization, capability development, integration and test of an Army command and control system * Current DoD Secret clearance ## Description *, Principal System Engineer - Bachelor's degree in STEM and 5 years of relevant experience in system engineering related to software systems; or 3 Years with Masters; 0 Years with PhD) or 9 years of experience in lieu of degree may be considered, * Become expert in the operation of the FAAD System * Become expert in connecting the FAAD System to various sensors, weapons, and Army tactical interfaces * Develop and execute System Test Threads on the FAAD software application * Clearly explain and document (verbally and in writing) problems and improvements in the FAAD System * Explain and execute software test procedures for NG mission assurance and government test witnessing * Prepare technical presentations for management and the government customer * Support the integration and test of the FAAD system with other systems at various tests around the world * Analyze interface and functionality problems * Work with the software team to correct or improve capabilities * Verify successful integration of the FAAD System with interfacing systems * Travel up to 25% of the time is required ## Related Videos - [Excellent Software Testing](https://www.wearedevelopers.com/videos/87-excellent-software-testing) - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Rethinking Intelligence: AI, Accessibility, and the Future of Inclusive Work - Artur Ortega](https://www.wearedevelopers.com/videos/1377-rethinking-intelligence-ai-accessibility-and-the-future-of-inclusive-work-artur-ortega) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [How to TDD in legacy code](https://www.wearedevelopers.com/videos/309-how-to-tdd-in-legacy-code) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know)