> Markdown version of [/jobs/ext/3894457-sr-principal-systems-engineering-integration-and-test-seit-lead](https://www.wearedevelopers.com/jobs/ext/3894457-sr-principal-systems-engineering-integration-and-test-seit-lead). 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 Engineering Integration and Test (SEIT) Lead - **Company:** Northrop Grumman - **Location:** Rolling Meadows, IL, United States - **Experience:** Expert - **Salary:** $135,800.0 - $203,600.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Firmware, IBM Rational DOORS, Systems Modeling Language - **Published:** October 23, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3466840158&tx=VT7065TTD&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * BS degree in Mechanical, Electrical Engineering, Physics or other STEM field with 8+ years of related experience, MS degree in STEM field with 6+ years of related experience, or PhD in STEM field with 4+ years of related experience. * 5+ years of related engineering experience working in an engineering organization at a defense contractor during EMD and/or LRIP phases * Demonstrated proficiency in analytical thinking and problem-solving skills * Experience in creating and delivering technical presentations to internal and external leadership * Experience working collaboratively on complex projects that encompass hardware, software, and firmware * Experience in development and Earned Value Management (EVM) of cost accounts and schedules * Ability to obtain and maintain a minimum of a U.S. Government Secret Clearance with additional customer specified clearance prior to start * U.S. Citizenship required, * Experience in all aspects of the engineering process from proposal / requirements analysis through verification testing and fielding of systems * Experience in a Systems Engineering Integration & Test environment from one or more of the following specialty areas: EOIR systems, sensors, optics, antenna design, direction finding, geolocation, threat analysis * Experience decomposing requirements for DoD-based platforms or systems * Demonstrated expertise in SysML modeling and MBSE tools (e.g., IBM Rational DOORS, Enterprise Architect, Cameo). Ability to develop and maintain system models, traceability matrices, and verification cross-reference artifacts * Active U.S. Government Secret or Top Secret security clearance ## Description The Systems Engineering, Integration, and Test (SEIT) Lead owns responsibility for executing the overall systems engineering effort on the program and directs the execution of all systems engineering activities. The SEIT Lead shall ensure the integrity of the systems engineering processes, including assigned engineering personnel understanding and following Engineering processes and procedures to achieve timely, compliant development of core and emerging systems engineering work products.