> Markdown version of [/jobs/ext/553143-systems-engineer-principal-or-senior-principal-level](https://www.wearedevelopers.com/jobs/ext/553143-systems-engineer-principal-or-senior-principal-level). 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 Engineer (Principal or Senior Principal Level) - **Company:** Northrop Grumman - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $171,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, SAP (Applications), Software Requirements Analysis, Verification and Validation (Software), Systems Integration, Infrastructure Automation Frameworks - **Published:** June 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8975148/systems-engineer-principal-or-senior-principal-level ## About the Role At a Principal Level: * Must have a Bachelors of Science degree in a STEM field and at least 5 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 3 years of relevant military / professional experience, OR a PhD and at least 1 year of relevant military / professional / academic experience At a Senior Principal Level: * Must have a Bachelors of Science degree in a STEM field and at least 8 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 6 years of relevant military / professional experience, OR a PhD and at least 4 years of relevant military / professional experience And at Both Levels: * Must have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by the company. * Must have experience in systems engineering tools, such as DOORS, CAMEO. * Must have experience in aerospace/defense level avionics and unmanned aerial systems, * A current active or ability to obtain an DoD Top Secret clearance * Experience in Model-Based Systems Engineering approach. * Experience in integrating complex system across multiple domains * Experience demonstrating concepts to management and customers * Proficient with configuration management tools to maintain traceability of systems engineering artifacts ## Description * Support system requirements development, management, analysis, and traceability, to translate customer requirements and CONOPS into systems requirements, and further allocate to lower-level requirements. * Perform requirements development, allocation, verification/validation planning and manage interface definition efforts. * Support system/subsystems integration, test, and requirements verification activities. * Support the preparation of system engineering materials during System Requirements Review, System Functional Review, Preliminary Design Review, Critical Design Review, System Verification Review, Test Readiness Review, and other program reviews as needed. * Support interface/communication with program, functional and subsystem leads * Management of requirements, include decomposition, allocation, verification, and validation ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [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) - [Physical AI: The Era of Intelligent Machines](https://www.wearedevelopers.com/videos/100141-physical-ai-the-era-of-intelligent-machines) - [Independently together: how micro-applications improve developer experience + app performance](https://www.wearedevelopers.com/videos/452-independently-together-how-micro-applications-improve-developer-experience-app-performance) - [The Software Engineer 2030: From Coder To AI Orchestrator? - Patrick Schnell](https://www.wearedevelopers.com/videos/1825-the-software-engineer-2030-from-coder-to-ai-orchestrator-patrick-schnell) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [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) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)