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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer - **Company:** Northrop Grumman - **Location:** Catonsville, MD, United States - **Experience:** Expert - **Salary:** $108,800.0 - $163,200.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Computer-Aided Design, Data Analysis, Systems Engineering, C++ (Programming Language), Firmware, Python (Programming Language), MATLAB, SAP (Applications), Signal Processing, Software Requirements Analysis, System Testing, Systems Integration, Scripting, SC Clearance, Modeling and Simulation - **Published:** September 16, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2973505236-2 ## About the Role * Bachelor's degree with 5 years of experience, Master's degree with 3 years of experience or Ph.D. with 1 year of experience in Science, Technology, Engineering, Mathematics, or related technical fields; an additional 4 years of experience may be considered in lieu of a degree * U.S Citizenship is required * A current/active U.S. Government Secret Clearance * Ability to obtain Special Program Access (SAP). * Experience with RF lab test equipment: i.e. signal generator, oscilloscope, spectrum analyzer, etc. * Experience troubleshooting and resolving HW/SW/FW integration problems * Experience coding in MATLAB to support coding, test scripting, data analysis, and signal processing * Experience working a system bench, running acceptance test plans, writing test reports, troubleshooting hardware and software, communicating status updates., * Bachelor's degree with 8 years of experience, Master's degree with 6 years of experience or Ph.D. with 4 years of experience in Science, Technology, Engineering, Mathematics, or related technical fields; an additional 4 years of experience may be considered in lieu of a degree * U.S Citizenship is required * A current/active U.S. Government Secret Clearance * Ability to obtain Special Program Access (SAP). * Experience with RF lab test equipment: i.e. signal generator, oscilloscope, spectrum analyzer, etc. * Experience troubleshooting and resolving HW/SW/FW integration problems * Experience coding in MATLAB to support coding, test scripting, data analysis, and signal processing * Experience working a system bench, running acceptance test plans, writing test reports, troubleshooting hardware and software, communicating status updates., * Active U.S. Government Top Secret Clearance or higher * Previous experience working on a Special Access Program * Knowledge integrating and testing software written in C, C++. * Knowledge of RADAR Systems * Knowledge of firmware and hardware control integration planning and execution * Knowledge of embedded systems design and implementation * Experience developing scripts in python to automate manual processes. * Understanding of Systems Engineering concepts, including requirements analysis and verification planning and execution * Experience working in a multi-disciplinary team environment * Solid verbal and written communication skills to effectively communicate internally ## Description Qualified Systems Integration, Test & Evaluation (SITE) engineers will perform hands-on integration and testing of sophisticated RF sensor systems, including both hardware and software components in development and production environments; Synthesize internal and external customer needs and requirements into system tests that acknowledge technical and schedule constraints; Participate in the development and execution of comprehensive test plans, procedures, and schedules for verifying system requirements; participate in I&T readiness reviews, design reviews and conducts audits of I&T program facilities; Coordinate integrated testing activities that may include environmental, reliability and the occasional flight test; Review and evaluate test requirements to ensure completeness of test program; Perform analysis of test results and prepares comprehensive reports; Use modeling and simulation tools to expedite testing of individual units before all system components are available and for troubleshooting and repair of failed units. * Integration, troubleshooting, and testing RF sensor systems * Support integration environment development and establishment (Labs) * Collaborate with software, firmware, and hardware teams to understand expected unit level and system level behavior to define test cases and define & develop test capabilities that exercise and stress respective software and hardware capabilities. * Collaborate with software, firmware, and hardware subject matter experts to ensure testing produces expected data points. * Support the development and maintenance of system integration plans and system test plans. 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