> Markdown version of [/jobs/ext/2294242-principal-sr-principal-systems-test-engineer](https://www.wearedevelopers.com/jobs/ext/2294242-principal-sr-principal-systems-test-engineer). 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). --- # Principal / Sr. Principal Systems Test Engineer - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $89,400.0 - $134,200.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Confluence, JIRA, Automation of Tests, MATLAB, Scrum Methodology, Software Tools, SAP (Applications), System Testing, Systems Integration, Test Data, Scripting, SC Clearance, Integration Tests, Atlassian Tools, DODAF - **Published:** August 29, 2026 - **Apply:** https://www.juju.com/job/00000000gpn7rq ## About the Role _This requisition may be filled at either the Principal Systems Test Engineer level (T-03) or Senior Principal Systems Test Engineer level (T-04)._ + **Principal Engineer Systems Test:** Bachelors in Science with 5 years of experience, Masters with 3 years of experience or PhD with 1 year of experience. An additional 4 years of experience can be considered in lieu of a degree. + **Sr. Principal Engineer Systems Test:** Bachelors of Science with 8 years of experience, Masters with 6 years of experience or PhD with 4 year of experience. An additional 4 years of experience can be considered in lieu of a degree. + Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an 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. + Active **DoD Secret security clearance** , received or adjudicated in the last 6 years. Preferred Qualifications: + Bachelor's degree or higher in Engineering or a related technical discipline. + US Citizenship with an Active Top-Secret Clearance or higher (awarded within the past 6 years) with the ability to receive a Special Access Program (SAP) certification. + Familiarity with product integration, regression, and verification testing. + Knowledge of system integration and test principles. + Experience developing Test Plans and Test Procedures. + Previous test experience at any level of build (unit, element, segment, etc.) + Experience performing in a Systems/Systems Test Engineering or related technical discipline and understanding of systems engineering principles and processes which include test requirements, test plan development and integration testing. + Knowledge of **System Integration and Test Principles** . + Experience with Department of Defense Architecture Framework ( **DoDAF** ) standards and methods. + Experience with Automated Test Tools i.e. **IBM ELM Jazz** or **MATLAB** Scripting. + Experience operating in an Agile environment using any of the Atlassian software tool sets ( **JIRA, CONFLUENCE, etc** ). + Experience with instrumentation, data acquisition, and data review including post-test data analysis. + Proficiency in **DOORS** and **Cameo** . + Product Owner (PO) certification/experience - SAFE or Scrum Alliance. ## Description Northrop Grumman Defense Systems is seeking a **Principal Systems Test Engineer / Senior Principal System Test Engineer** for the Launch Systems team. This position will be located in **Roy, UT** and will support the Sentinel (GBSD) program. This position will support system test activities be responsible including prototype, development and qualification testing. What You'll Get To Do: + Demonstrate a working knowledge of Test planning. + Synthesizes customer contractual needs and requirements into system test solutions that acknowledges technical, schedule and cost constraints. + Develops and directs preparation and execution of comprehensive test plans, procedures and schedules for competing systems. + Coordinates integrated testing activities. + Reviews and evaluates test requirements to ensure completeness of test program. + Performs technical analysis of complete systems and prepares comprehensive system level evaluations. + Develop, plan and execute Test & Integration plans, as well as Audit Reviews. ## Related Videos - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## 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) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [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)