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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Principal Systems Engineer - **Company:** Northrop Grumman - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $142,200.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Continuous Integration, Network Interface Controllers, Requirements Management, SAP (Applications), Systems Architecture, System Testing - **Published:** August 6, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e37018a004bcb4f7 ## About the Role * Must have a Bachelors of Science degree in a STEM field and at least 8 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 6 years of relevant military / professional experience, OR a PhD and at least 4 years of relevant military / professional experience * Must have experience across the systems engineering lifecycle, including: Requirements development and decomposition, Requirements management and traceability, Verification & validation planning and execution * Must have experience with requirements management tools (e.g., DOORS, DOORS Next, or similar). * Must have experience with ICD development and interface definition. * Must have experience preparing and delivering technical presentations to customers or leadership. * Must have an active U.S. Government Top Secret clearance (investigation within the last 6 years or enrolled in 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. * Must have the ability to obtain and maintain subsequent SAP PARs following commencement of employment to be able to completely support statement of work Preferred Qualifications * Active USG Top Secret and/or current Special Access/SCI, as required by program. * Experience supporting major systems engineering milestones (e.g., SRR, PDR, CDR). * Experience with system architecture development, model-based systems engineering (MBSE), and/or CONOPS definition. * Hands-on experience with HW/SW integration and test, including test procedure development and discrepancy/anomaly resolution. * Familiarity with Agile development methods and/or CI/CD environments. * Experience coordinating with suppliers on technical requirements, interfaces, and verification expectations. ## Description * Apply the full systems engineering lifecycle, including Concept development and system definition, Requirements development, decomposition, and allocation, Interface definition and management, Integration, verification, and validation planning and execution * Develop Verification & Validation (V&V) strategies and plans, including Requirement Verification Plans and System Test & Verification Plans. * Work closely with test and specialty engineering teams to ensure test procedures correctly interpret and verify requirements. * Develop and maintain Interface Control Documents (ICDs) for internal and external system interfaces through internal coordination with Integrated Product Teams (IPTs), suppliers, and customers, and through interface working groups. * Support development and documentation of system architectures and Concepts of Operations (CONOPS) working with cross-functional teams to ensure the architecture supports performance, reliability, safety, and maintainability objectives. * Provide systems engineering input to design reviews (SRR, PDR, CDR) and integration/test readiness reviews. * Prepare and deliver technical briefings to internal leadership and external customers. ## Related Videos - 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