> Markdown version of [/jobs/ext/3079946-mission-systems-engineer-principal-sr-principal-signatures-l](https://www.wearedevelopers.com/jobs/ext/3079946-mission-systems-engineer-principal-sr-principal-signatures-l). 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). --- # Mission Systems Engineer (Principal/Sr Principal) - Signatures L - **Company:** Northrop Grumman - **Location:** Linthicum Heights, MD, United States - **Experience:** Expert - **Salary:** $108,800.0 - $163,200.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Confluence, JIRA, Computer Engineering, E2e Testing, Atlassian Tools, Bitbucket - **Published:** September 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9191307/mission-systems-engineer-principalsr-principal-signatures-l ## About the Role * Principal Engineer: BS in STEM with 5 years relevant experience or 3 years with MS * Sr Principal Engineer: BS in STEM with 8 years relevant experience or 6 years with MS * Active TS clearance and SCI eligibility required at time of application * Hardware/Software I&T Experience * Experience in implementing and maintaining processes Preferred Qualifications: * On-Orbit Ops experience * Experience coordinating between program elements * Experience identifying, documenting, and using SLCs * Experience with the Atlassian tool suite (Jira, Confluence, Bitbucket) * Experience with Space Vehicle tasking and I&T * Experience with Radar tasking and I&T * BS in Electrical Engineering, Computer Engineering, or Aerospace Engineering * Active SCI clearance #SpaceEngJobs #SpaceSysEngJobs #BaltimoreSpace ## Description * Coordinate with Payload Assembly Integration and Test (PL AI&T), Space Vehicle (SV) AI&T, and Ops teams for development and maintenance SLCs throughout program life cycles from initial design through on-orbit ops * Support MSEIT System I&T team in the planning and execution of space-to-ground testing activities * Ground Testing, On-Orbit Check-Out, and End-to-End Testing . ## Related Videos - [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) - [Improving Developer Happiness with GitOps](https://www.wearedevelopers.com/videos/54-improving-developer-happiness-with-gitops) - [42 x 2 Canvases Later: Two Years, Two Minds, Many Lessons](https://www.wearedevelopers.com/videos/1458-42-x-2-canvases-later-two-years-two-minds-many-lessons) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Designing UX for SRE Agents in High-Stakes Incidents](https://www.wearedevelopers.com/videos/100003-designing-ux-for-sre-agents-in-high-stakes-incidents) - [A Founder's Journey : From Startup Chaos to Purposeful Growth](https://www.wearedevelopers.com/videos/1926-a-founder-s-journey-from-startup-chaos-to-purposeful-growth) ## 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’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) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed)