> Markdown version of [/jobs/ext/2632473-sr-principal-engineer-systems](https://www.wearedevelopers.com/jobs/ext/2632473-sr-principal-engineer-systems). 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). --- # Sr Principal Engineer Systems - **Company:** Northrop Grumman - **Location:** Oklahoma City, OK, United States - **Experience:** Expert - **Salary:** $116,300.0 - $174,500.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Confluence, JIRA, Data Link, SAP (Applications), Systems Architecture, Scripting, DOORS (Software) - **Published:** August 2, 2026 - **Apply:** https://www.oklahomacityjobsite.com/job.asp?id=3339346573&tx=KL707PFK&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Sr. Principal Systems Engineer will be responsible for coordination and collaboration with diverse engineering design teams to provide imaginative, technical solutions to a wide range of difficult problems in establishing and managing the technical baseline in support of review milestones. The candidate will be executing tasks in system engineering functions. The position requires systems thinking and working knowledge of the full development life-cycle processes that acknowledge technical, schedule, and cost constraints. Candidate must exhibit strong leadership characteristics in coordinating with multiple teams and managing tasks., * Sr. Principal Systems Engineer: 9 years experience with a STEM Bachelor's degree in a related field; 7 years experience with a STEM Master's degree in a related field; OR 13 years experience in lieu of a degree * Active DoD Secret security clearance with a background investigation date within 6 years * Must have the ability to obtain and maintain Special Access Program (SAP) clearance., * Prefer Engineering degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or Engineering Physics * Master's Degree * Experience working on military aircraft / spacecraft systems. * Experience in developing, managing, and decomposing requirements. * Experience in system architecture, CONOPs, or model-based system engineering. * Experience in ICD development and integration * Demonstrated communication and technical writing skills. * Proven ability to brief technical presentations to stakeholders. * MBSE and Agile Systems Engineering Experience. * Experience with DOORS, Confluence, and JIRA * Scripting experience * RF/Radio/Communication experience (Line of Sight and Beyond Line of Sight) * Tactical Data Link experience * Radio Navigation experience * Network engineering experience ## Related Videos - [Data is Key: Scraping Metadata from Websites](https://www.wearedevelopers.com/videos/708-data-is-key-scraping-metadata-from-websites) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [JavaScript? No. Java Scripts! - Scripting with Java](https://www.wearedevelopers.com/videos/2094-javascript-no-java-scripts-scripting-with-java) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Offline first!](https://www.wearedevelopers.com/videos/645-offline-first) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)