> Markdown version of [/jobs/ext/1409795-sentinel-principal-senior-principal-engineer-systems-architect-14770](https://www.wearedevelopers.com/jobs/ext/1409795-sentinel-principal-senior-principal-engineer-systems-architect-14770). 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). --- # Sentinel - Principal/Senior Principal Engineer - Systems Architect - 14770 - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $95,300.0 - $142,900.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, IBM Rational Software, Systems Development Life Cycle, Software Tools, SAP (Applications), Software Requirements Analysis, Systems Architecture, MagicDraw, DODAF - **Published:** July 23, 2026 - **Apply:** https://dejobs.org/x/x/E8144D1B92D740E4A042C73305F8647D/job/ ## About the Role This requisition may be filled at either the Principal Systems Engineer level (T-03) or Sr. Principal Systems Engineer level (T-04)., * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 years of experience with Bachelor's degree, 3 years of experience with Master's degree, 1 year with a PhD, * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 8 Years of related experience; 6 Years with Masters; 4 Years with PhD Required for both levels: * Must be a US Citizen with an active DoD Secret Clearance, at time of application, current and within scope, with an investigation date within the last 6 years * Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need * Regardless of degree level, 3 years of Systems Engineering experience required * At least 2 years experience modeling with Cameo Enterprise Architecture or MagicDraw (No Magic, Inc.) or other architecture modeling tools * Excellent communication and presentation skills, both verbal and written * Comfortable spending substantial portion of time using software tools, * 4+ years of Systems engineering experience * Significant Cameo Experience with regards to modeling and governance * Experience with DoDAF and UPDM or UAF Profiles * Experience using DOORS (IBM Rational) * Experience with complex system development on large programs * Experience with flight hardware * Active SAP Clearance ## Description * Work with higher and lower-level teams to develop and mature the AVE architecture content * Help develop and incorporate the appropriate requirements for the system and make sure that that they are properly represented in the model\ * Work with teammates across a wide variety of disciplines and get intimately familiar with all aspects of the Missile * Develop missile flight systems architecture using Cameo Enterprise Architecture (behavioral, structural, analytical) * Collaborate with program IPT counterparts to develop supporting systems engineering and design artifacts * Contribute to system requirements development and analysis * Present at milestone internal and customer reviews leading up to CDR * Process content through engineering review boards * Develop unifying model techniques, procedures, and processes (for model development, tool integration, and team integration) ## 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) - [ Secure Code Superstars: Empowering Developers and Surpassing Security Challenges Together](https://www.wearedevelopers.com/videos/422-secure-code-superstars-empowering-developers-and-surpassing-security-challenges-together) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) - [Robots are coming into the wild! 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