> Markdown version of [/jobs/ext/2587803-sr-principal-systems-engineer-communications](https://www.wearedevelopers.com/jobs/ext/2587803-sr-principal-systems-engineer-communications). 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 Systems Engineer - Communications... - **Company:** Northrop Grumman - **Location:** Baltimore, MD, United States - **Experience:** Expert - **Salary:** $135,800.0 - $203,600.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Systems Engineering, Configuration Management, Signals Intelligence, Firmware, MATLAB, SAP (Applications), Systems Architecture, Systems Integration, Test Data, Test Execution Engine, Infrastructure Automation Frameworks - **Published:** August 23, 2026 - **Apply:** https://www.juju.com/job/00000000gon69y ## About the Role + Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) or equivalent experience; 8 + years of relevant engineering experience; 6 years of experience with a Maters; or 4 years of experience with a PhD. An additional 4 years of experience can be considered in lieu of degree + US Citizenship required + Active DoD Secret clearance and the ability to obtain/maintain Special Program Access (SAP) prior to start is required. + Experience supporting radar, RF, electronic warfare (EW), or other mission system programs; familiarity with sensor hardware capabilities and integration/testing of RADAR, SIGINT, or EW systems. + Proficiency with SAP Quality Notifications (QNs); experience with acceptance test execution, hardware selloff processes, and defect tracking/configuration management tools. + Experience using MATLAB for data analysis and performing root cause investigations. + Ability to work onsite in Baltimore, MD Preferred Qualifications + Advanced degree (M.S. or Ph.D.) in a STEM field. + Active DoD Top Secret clearance or higher. + Proven ability to produce publication quality documentation and lead formal technical reviews. ## Description Northrop Grumman Mission Systems' Baltimore and Partnered Sites (BaPs) division is seeking a **Sr Principal Systems Engineer - Communications Test Engineer** in **Baltimore, MD** . What You'll Get to Do: + **Lead Acceptance Test Execution** - Plan, schedule, and execute system level acceptance tests; maintain the System ATP plan and procedures; ensure resources (personnel, facilities, equipment, test assets) are available and aligned with production build plans and program milestones. + **Facilitate Team Development** - Provide training for System ATP execution engineers and mentor a growing test team. + **Technical Troubleshooting & Root Cause Analysis** - Direct cross disciplinary investigations (hardware, firmware, software); determine corrective actions, verify effectiveness, and document results. + **Defect Tracking & Configuration Management** - Generate and manage Quality Notifications (QNs) in SAP; maintain accurate records of test results, failure investigations, and hardware traceability. + **Production Support & Process Improvement** - Mature acceptance test processes for Low-Rate Initial Production (LRIP); drive test efficiency, repeatability, and automation; develop metrics, dashboards, and continuous improvement initiatives. + **Cross Functional Leadership** - Act as the primary interface for Production Program Managers, Technical Leadership (Chief Engineer, System Architect, SEIT Lead), Integration & Test SMEs, and Quality/Mission Assurance. + **Data Review & Reporting** - Compile and analyze test data packages; lead formal data reviews; produce status reports on hardware readiness, defect trends, and test execution; present concise technical recommendations to senior leadership and customers. + **Engage in System Integration & Field Support** - Support integration and test activities; provide field support as needed. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [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) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Stop Guessing, Start Measuring: Evaluating RAG Systems with Synthetic Test Data](https://www.wearedevelopers.com/videos/1982-stop-guessing-start-measuring-evaluating-rag-systems-with-synthetic-test-data) ## Related Articles - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [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 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)