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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sentinel - Principal / Sr. Principal Systems... - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $108,800.0 - $163,200.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Requirements Management, Verification and Validation (Software), Systems Modeling Language, Systems Architecture, Systems Integration, Test Data, UML, MagicDraw, SC Clearance, Modeling and Simulation - **Published:** May 14, 2026 - **Apply:** https://www.juju.com/job/00000000fzeyf2 ## About the Role _This requisition may be filled at either the Principal Systems Engineer level (T-03) or Senior Principal Systems Engineer level (T-04)._ + **Principal Systems Engineer:** 5 years of related experience with Bachelors of Science degree in a STEM (Science, Technology, Engineering and Math) discipline; 3 years with Masters; 0 years with PhD + **Sr Principal Systems Engineer:** 8 years of related experience with Bachelor of Science degree in a STEM (Science, Technology, Engineering and Math) discipline; 6 years with Masters; 4 years with PhD Required for Both Level(s): + Must be a US Citizen with an active DoD **Secret** Clearance with an investigation date within the last 6 years. + Must be able to be successfully screened for **Enhanced Security Clearances** , within a reasonable amount of time as determined by the company to meet its business needs Preferred Qualifications: + 4 years of experience with ICBM Weapon Systems + Experience with any of the following tools and languages: DOORS, Cameo, MagicDraw, UML, SysML + 5 years of experience in Systems Engineering and any of the following areas: + Requirements Management: MBSE, Functional Block Diagrams, Specification Trees + Systems and end item requirements validation and verification + Design: Systems Design, Systems Architecture, Systems Integration, N2 Analysis, Trade Studies + General knowledge of multiple engineering disciplines: Safety, Nuclear Hardness, Nuclear Surety, Material Science, Environmental, Parts and Logistics, etc ## Description The selected engineer will be responsible for multiple tasks within requirements and verification and architecture for the AVE Segment. The engineer will be responsible for performing tasks dealing with requirements analysis, develop source data for requirements, generate requirements verification, and help prepare test plans and procedures, develop and review architecture in Cameo EA. Specific duties to include, but are not limited to the following: + Participate in technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for mechanical, electrical and integrated systems + Create and maintain SysML and UPDM models in Cameo EA; interface with subject matter experts, analysts, architects, designers, system engineers and specialty engineers to capture Payload Systems GBSD structure and behavior using accurate UPDM/SysML representations according to OMG standards. + Apply the principles of engineering to design components and systems using applicable standards and specifications + Verify specifications and designs through modeling and simulation, test data processing, and performance analysis + Support all phases of the systems lifecycle including concept, design, fabrication, test, installation, operation, maintenance and disposal ## Related Videos - [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) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Beyond UML: Making Sense of AI-Generated Code through Visual Architecture](https://www.wearedevelopers.com/videos/2102-beyond-uml-making-sense-of-ai-generated-code-through-visual-architecture) - [Stop Guessing, Start Measuring: Evaluating RAG Systems with Synthetic Test Data](https://www.wearedevelopers.com/videos/1982-stop-guessing-start-measuring-evaluating-rag-systems-with-synthetic-test-data) ## 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 is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [The Prompt Engineer ✍️](https://www.wearedevelopers.com/magazine/216-the-prompt-engineer) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [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 Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)