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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sentinel - Sr. Principal Engineer Systems - 18036* - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $122,800.0 - $184,200.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Verification and Validation (Software), Systems Integration, Enterprise Software Applications, SC Clearance, Integration Tests - **Published:** September 9, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9157977/sentinel-sr-principal-engineer-systems-18036 ## About the Role * 8 Years of related experience with bachelor's degree in engineering or a related technical discipline; 6 Years with Masters; 4 Years with PhD * 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 * Minimum 2 years working experience on ICBMs * Minimum 2 years Systems Engineering experience * Minimum 2 years of DOORS or related experience * Direct development experience of interface products (IRS, IDD, ICD) and requirement specifications * Demonstrated proficiency in analytical thinking and problem-solving skills and Systems Thinking mindset * Experience with creating and executing to schedule & technical recovery plans * Experience working across program organizations to find solutions * Excellent decision making and communication (written and oral) skills Preferred Qualifications: * Past/Active employment with MMIII or Sentinel Weapon Systems * Experience contributing towards various phases of a program lifecycle * Experience contributing towards various phases of the Systems Engineering "V" lifecycle * Experience with developing architectural diagrams * Earned Value Management experience * Risk Management experience * Experience with team leadership/management ## Description Northrop Grumman Defense Systems is seeking a Sr. Principal Systems Engineer in Roy, Utah to work with our Sentinel Systems Engineering, Integration, & Test (SEIT) Business Unit and be a contributing member of the System Integration and Sustainment (SIS) Enterprise Systems Integration team. This multi-tiered and multi-disciplined team assesses external interfaces and mission scenario operational threads across the Weapon System (WS). The team serves as system integrators to facilitate systems of systems interoperability and joint systems integration in partnership with customer counterparts and other key stakeholders across the enterprise. This position is be located Roy, UT and will support the Sentinel (GBSD) program. The selected candidate will work in a dynamic people-focused environment. Candidates for this position must be able to understand the intent of WS integration at the highest levels and drive engineering processes & analyses to prove successful design integration and analyze for potential gaps. The successful candidate will clearly demonstrate strong leadership and foundational systems engineering skills to drive process and technical gap resolution of interface and requirement design solutions to achieve program and contract objectives. What you'll get to do: * Lead Integration activities in support of systems-of-systems integration which may include integration test planning, problem identification and reporting, integration event execution, coordination with multiple stakeholders to facilitate effective and efficient communication * Ensure appropriate coordination between SEIT and other systems interface teams * Be proficient in the development of key system engineering artifacts such as requirement specifications and interface definition documents * Participate in technical planning, verification and validation development, cost and risk considerations, and requirements analyses for integrated systems * Perform trades studies, analysis and/or impact studies to resolve cost/capability gaps or disconnects * Demonstrate leadership principles - Integrity, respect, organizational, communication, etc. * Work independently with minimum supervision, positive demeanor and highest ethics ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Building Reliable Serverless Applications with AWS CDK and Testing](https://www.wearedevelopers.com/videos/812-building-reliable-serverless-applications-with-aws-cdk-and-testing) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [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) - [Automated Driving - Why is it so hard to introduce](https://www.wearedevelopers.com/videos/628-automated-driving-why-is-it-so-hard-to-introduce) - [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design) ## 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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)