> Markdown version of [/jobs/ext/1447545-sr-principal-system-engineer-integration-test](https://www.wearedevelopers.com/jobs/ext/1447545-sr-principal-system-engineer-integration-test). 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). --- # Sr Principal System Engineer - Integration & Test - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Experience:** Expert - **Salary:** $142,200.0 - $213,400.0 - **Contract:** Temporary contract - **Skills:** Systems Engineering, Command-Line Interface, Configuration Management, Networking Basics, Network Interface, Software Requirements Analysis, System Testing, Systems Integration, Test Data, Scripting - **Published:** July 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9058100/sr-principal-system-engineer-integration-test ## About the Role * Bachelor's degree in (Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience OR, Master's degree in (Science, Technology, Engineering, Math) discipline with 6+ years of experience OR, PhD degree in a discipline with 4+ year of experience * Candidate must have an at time of application. Continued employment thereafter will be subject to maintenance at the level of clearance and program access required for the position in the future. * Willingness to travel up to of the time, often for extended periods (up to two months' duration) * Minimum of three years of experience in , , and/or and * Demonstrated written and oral communications skills through and * Working knowledge of operating systems * Experience working in a command line environment * Working knowledge of scripting languages such as * Experience in activities * Experience in basic networking * Certified inor higher * Working knowledge of test instruments including oscilloscopes, spectrum analyzers, etc. * Experience in troubleshooting of complex systems * Experience with and * Experience of working as part of a diverse team in a fast-paced environment * Experience with and including ## Description * Develop, update, and execute system-level integration and test procedures for the Ground Element in both factory (DT&E1) and site (DT&E2) environments. * Plan and conduct dry-runs and run-for-record (RFR) test executions, including coordination of test resources, configurations, and data collection. * Prepare and present material for Test Readiness Reviews (TRRs) and Test Review Boards (TRBs), including test objectives, configurations, results, and discrepancies. * Analyze test data to verify requirements compliance, identify anomalies, perform root-cause analysis, and drive resolution of discrepancies with multi-disciplinary teams. * Develop and/or provide inputs to Requests for Change (RFCs) and Configuration/Change Control artifacts based on test findings and evolving system needs. * Author and maintain Ground Element technical documentation such as Network Interface Planning Documents, System Test Plans, Site Integration Requirements, and Facilities Requirements Documents. * Support integration of hardware, software, and networks within the ground system, including configuration, checkout, and troubleshooting of complex system interfaces. * Collaborate closely with software, network, and systems engineering teams to ensure testability, integration readiness, and verification of system requirements. * Participate in site installation, integration, and verification activities, including extended travel to operational locations as required. * Adhere to established test processes, configuration management, and quality standards while identifying and implementing continuous improvements to test efficiency and effectiveness. ## Related Videos - [JavaScript? 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