> Markdown version of [/jobs/ext/1179784-sentinel-principal-sr-principle-systems](https://www.wearedevelopers.com/jobs/ext/1179784-sentinel-principal-sr-principle-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). --- # Sentinel - Principal / Sr. Principle Systems... - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $98,400.0 - $147,600.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Agile Methodology, Systems Engineering, Object-Oriented Software Development, Microsoft PowerPoint, Systems Development Life Cycle, SAP (Applications), Systems Architecture, Teamcenter (Software) - **Published:** July 4, 2026 - **Apply:** https://www.juju.com/job/00000000gdnlli ## 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)._ + **Principal Systems Engineer:** Bachelor's Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 5 years of related experience, 3 years with Masters, 1 year with PhD. + **Sr Principal Systems Engineer:** Bachelor's Degree in a STEM discipline from an accredited university with 8 years of related experience, 6 years with Masters, 4 years with PhD. + Must have an **active U.S. Government DoD Secret security clearance** at time of application, current and within scope, with an investigation date within the last 6 years. + Must have Special Access Program (SAP) clearance with access to CJ1. Preferred Qualifications: + Experience with Agile. + Experience leading SE events (e.g., PDR, CDR). + Experience using Microsoft Word, Excel, and Power Point. + Experience resolving issues and providing technical support. + Capable of working with minimal direction and in team environments. + Familiar with Teamcenter/Common Product Lifecyle Management (CPLM). + Familiar with SE events (e.g., Preliminary Design Review (PDR), Critical Design Review (CDR)). + 2+ years' experience in Intercontinental Ballistic Missiles (ICBMs) (Minuteman III (MMIII) or Sentinel) OR complex aerospace/defense systems. + 2+ years' experience in developing and executing Systems Engineering (SE) process governance documentation in a Department of Defense (DoD) Engineering and Manufacturing Development (EMD) phase. + 2+ years' experience in creating, updating, and maintaining requirements specifications in Dynamic Object-Oriented Requirements System (DOORS). + 2+ years' experience on large scale / complex system development experience across multiple phases of a development program: preliminary design, detailed design, integration and test, verification and sell off, transition to production. + 2+ years' experience in creating, updating, and maintaining Model-Based Systems Engineering (MBSE) products. + 3+ years' experience with Systems Engineering (SE) principles. + 3+ years' experience with requirements development. ## Description Northrop Grumman Strategic Deterrent Systems Division is seeking a **Principal Systems Engineer / Senior Principal Systems Engineer** . This position will be in **Roy, UT** and supporting the Sentinel Program. What You'll Get To Do: The successful candidate will support the team across the full systems-engineering life cycle, from use-case development through verification. You will collaborate closely with Integrated Product Team (IPT) counterparts to produce rigorous systems-engineering and design artifacts, working with technical teams and stakeholders to develop and mature a Weapon System design for a large-scale program. Your responsibilities will include defining, allocating, and tracing requirements; ensuring those requirements are accurately represented in the system model; performing functional decomposition and interface definition; and supporting verification activities. In addition, you will develop the system architecture using Cameo Enterprise Architecture, modeling behavioral, structural, and analytical aspects of the solution. You will contribute to ongoing requirements development, management, and analysis while establishing unifying modeling techniques, procedures, and processes that enable seamless model development, tool integration, and team collaboration. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [In-depth .NET Azure Functions: Isolated mode, performance and durable AI agents](https://www.wearedevelopers.com/videos/100207-in-depth-net-azure-functions-isolated-mode-performance-and-durable-ai-agents) - [Developing the Rich Text Editor for DeepL.com](https://www.wearedevelopers.com/videos/1172-developing-the-rich-text-editor-for-deepl-com) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [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) - [From Syntax to Singularity: AI’s Impact on Developer Roles](https://www.wearedevelopers.com/videos/900-from-syntax-to-singularity-ai-s-impact-on-developer-roles) ## 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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [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)