> Markdown version of [/jobs/ext/1748913-sentinel-software-principal-software-engineer-test-16099-1](https://www.wearedevelopers.com/jobs/ext/1748913-sentinel-software-principal-software-engineer-test-16099-1). 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 Software / Principal Software Engineer Test - *16099-1 - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Experienced - **Salary:** $79,300.0 - $118,900.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Agile Methodology, Data Analysis, Systems Engineering, Confluence, JIRA, Unit Testing, Bash Shell, C++ (Programming Language), Static Program Analysis, Formal Verification, IBM Rational Software, Python (Programming Language), Regression Testing, SAP (Applications), Software Engineering, Software Requirements Analysis, Scripting, Software Verification, Test Scripts, Git, Integration Tests, Atlassian Tools, Programming Languages - **Published:** July 1, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9007610/sentinel-software-principal-software-engineer-test-16099-1 ## About the Role * T2 Software Test Engineer: 02 Years with Bachelors in relevant field of study; 00 Years with Masters or 04 additional years in lieu of a degree. * T3 Principal Software Test Engineer: 05 Years with Bachelors in relevant field of study; 03 Years with Masters; 00 Years with PhD or 04 additional years in lieu of a degree. Required for both levels: * Must be a US citizen with an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with 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 * Understanding of the software development lifecycle and agile development methodology, RVAM skills/experience * 2+ year experience in scripting skills (Python, C++,Java, Bash, Shell/Bash, or similar programming language) * 2+ year experience in Requirements Verification/General test methodology, unit testing, integration testing, regression testing. * 2+ year experience with Atlassian tool suite (JIRA, Git, Confluence) Preferred Qualifications: * Experience with IBM Rational tool suite (DOORS and Jazz) * Experience using software test automation tools/frameworks * Experience with code analysis tools * Experience developing ICDs and defining interfaces in an MBSE environment * Familiarity with CSSAM / RVAM Governance ## Description Northrop Grumman Defense Systems is seeking Software Test Engineers for the Flight / Guidance Navigation & Control (GN&C) Software Team. This position will be located in Roy, Utah and will support the Sentinel Program. What You'll Get To Do: Responsible for development and execution of automated and manual test cases to verify functional software requirements. This will include the following activities: * Assist in the design, development, and implementation of testing methods and equipment. * Test planning, execution, reporting, and integration support. * Prepare detailed test reports and support formal verification of the system. * Compile data and define changes required in test equipment, test procedures, or new test requirements. * Perform data analysis against requirements and interfaces for each software build or hardware component. * Interface with software developers and systems engineers in support of verification. * Product integration, regression, and verification testing including checkout in software test labs. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [JavaScript? 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