> Markdown version of [/jobs/ext/4580113-senior-principal-systems-test-engineer](https://www.wearedevelopers.com/jobs/ext/4580113-senior-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). --- # Senior Principal Systems Test Engineer - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $111,700 - $167,500 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Data Analysis, Systems Engineering, Automation of Tests, Configuration Management, Software Documentation, Databases, LabVIEW, Microsoft Office, Microsoft PowerPoint, SAP (Applications), Simulink, Verification and Validation (Software), Subsystems, Test Execution Engine, DOORS (Software), Test Scripts, Hardware Testing, Build Management - **Published:** November 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9293631/senior-principal-systems-test-engineer ## About the Role * 8 Years with Bachelors in Science; 3 Years with Masters; 1 Year with PhD; 4 additional years of experience may be considered in lieu of a degree * Must have an active US Government Secret clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance , within a reasonable amount of time as determined by business needs. * Working knowledge of Microsoft Office Suite - Project, PowerPoint, Excel, Word * 5+ years of experience with development of test plans, procedures, and reports (functional testing and checkout) * 5+ years of experience with qualification and/or acceptance testing* Experience with Range Safety and test execution at off-site test facilities * 5+ years of experience with Software and/or Hardware testing experience * 5+ years of experience communication, interpersonal skills, and the ability to interface with all levels of employees, management and customers * Works well in a team environment, * A current DoD Secret or Top Secret/SCI level security clearance, to include a Single Scope Background Investigation, a periodic reinvestigation, or an original adjudication date completed within the last 6 years * Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management. * Works well in a team environment * Proficiency in MS Office * Automated Test experience (development and execution). (LabView, Simulink, or equivalent) * Experience designing and setting up a Systems Engineering, Integration, and Test (SEIT) type test lab * Experience overseeing supplier execution of dynamic and thermal environmental testing * Experience design, test or handling ordnance equipment IAW RCC 319 or AIAA S-113Anowledge/Experience with IBM DOORS database ## Description * Define test requirements and test objectives, using Systems Engineering principles * Develop integration and test documentation (test plans, test procedures and test reports) * Prepare for and execute Test Readiness Reviews (TRRs) * Execute the integration, test, and assembly of the AVE in preparation for developmental flight testing * Integrate hardware from sub-system teams, interface with other elements teams, and the system and segment level teams * Develop and implement testing methods and test equipment * Interface with software developers and systems engineers in support of integration and test activities * Participate in technical exchange meetings, interfacing with customers (internal/external) * Perform data analysis against requirements and interfaces for each software build or hardware component * Compile data and define changes required in test equipment, test procedures, or new test requirements * Maintain test equipment documentation and follow configuration management requirements In this role, you will be responsible for: * Synthesizing customer contractual needs and requirements into element test solutions that acknowledges technical schedule and cost constraints * Develop and direct preparation and execution of comprehensive test plans, procedures and schedules for completing subsystems * Coordinate integrated testing activities * Serve as a technical lead and mentor to junior engineers on the On board Test Equipment Team * Review and evaluate test requirements to ensure completeness of test program * Perform technical analysis of complete systems and prepare comprehensive system level evaluations * Oversee supplier test activities in support or requirement verification and validation