{"id":1671318,"url":"https://alion.io/job/northrop-grumman-sr-principal-systems-architect-engineer","title":"Sr Principal Systems Architect Engineer","company":{"id":12494,"name":"Northrop Grumman","domain":"northropgrumman.com","url":"https://alion.io/company/northropgrumman","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":88,"open_postings":628,"ghost_share":0.002,"stale_share":0.675,"repost_share":0.016,"time_to_fill_p50_days":12,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Plymouth, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135800,"max":203600,"currency":"USD","period":"year","gross":null,"usd_annual":203600},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"MBSE","optional":false},{"name":"SysML","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-01T00:00:00Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-24T00:51:05Z","board_verified":true,"closed_at":null,"days_open":23,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":23},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescription\nAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.The Systems Engineering function is at the forefront of program strategy, leading the creation, evolution, and maintenance of system architectures throughout the program lifecycle.\nWe are seeking a visionary Sr Principal Systems Architect Engineer with demonstrated experience leading systems engineering efforts across the program lifecycle. This role emphasizes matrixed leadership, cross-disciplinary collaboration, and model-based systems engineering to deliver innovative, robust armament programs. The successful candidate will lead comprehensive systems engineering activities-including requirements development, system performance analysis, integration, verification, and validation-while fostering a culture of technical excellence, adaptability, and innovation.\nThis role is crucial to ensuring that armament systems are designed to meet technical specifications and function effectively in operational environments.\nKey Responsibilities\n1. Implement Systems Engineering Leadership Across the Lifecycle\nLead systems engineering activities spanning concept development, requirements definition, system design, integration, verification, validation, and sustainment.\nAct as a driver for cross-functional systems collaboration within a model-based engineering environment.\n2. Drive System Design, Management, and Traceability Across the Lifecycle\nDrive the design and development of system architectures.\nDefine key capabilities and performance requirements needed for the system of interest.\nCreate and manage system requirements, specifications, and the requirements verification database to ensure comprehensive traceability throughout the development lifecycle.\nNegotiate and define performance objectives with stakeholders to ensure alignment of system requirements with program goals.\nLeverage advanced systems engineering processes, tools, and methodologies to establish alignment across technical performance criteria with both customers and stakeholders.\nEstablish design and technology maturity constraints that align with customer specifications to ensure feasibility and reliability.\nDevelop a comprehensive definition of the system’s external interfaces to facilitate integration with other systems.\nOutline the system implementation approach and operational concept, considering usability and effectiveness.\n3. Enhance Systems Engineering Through Tools and Innovation\nDeploy and utilize cutting-edge systems engineering tools to improve efficiency and adaptability, including automated requirements management, configuration matrices, and compliance verification solutions.\nDevelop operational concepts (CONOPS) to align system architecture and design decisions with customer mission objectives.\nFacilitate trade studies, system sensitivity analyses, performance optimization, and assessments of emerging opportunities for improvement and innovation throughout the program lifecycle.\n4. Deliver Excellence in System Verification and Quality\nSupport efforts to ensure systems meet defined performance requirements, adhere to quality standards, and deliver on stakeholder expectations.\nSupport verification and validation activities across systems, leveraging advanced simulation and analysis.\nCollaborate with systems engineers and customers to ensure that all requirements are met and that system performance is thoroughly evaluated.\nBasic Qualifications\nBachelor’s degree in Engineering (Electrical, Aerospace, Computer, Mechanical, or related discipline)\n8+ years of related experience; or a Master’s degree in a related discipline and 6+ years of related experience; or a PhD in a related discipline and 4+ years of related experience.\nDemonstrated cross-domain leadership experience in engineering-focused non-profits or organizations.\nStrong background in Agile development methodologies.\nExperience leveraging systems engineering tools with embedded AI.\nExperience applying systems design principles using AI to develop and integrate advanced solutions.\nExperience designing, integrating, and verifying complex systems to align with design specifications and meet operational/mission requirements.\nExperience with model-based systems engineering (MBSE).\nExpertise in systems engineering development using Product Line Engineering (PLE) principles and best practices.\nExperience with Systems Modeling Language (SysML).\nExperience with the Unified Architecture Framework (UAF).\nMust be a U.S. Citizen\nAbility to obtain a government secret clearance (not required to start)\nDesired Qualifications\nLeadership experience in systems-of-systems development and integration, effectively managing interfaces, interoperability, and dependencies across the program lifecycle.\nProven capability to guide systems-of-systems architecture development and lifecycle management to achieve end-to-end mission success.\nExperience supporting trade studies and generating requirements to address affordability, performance, safety, reliability, maintainability, sustainability, and systems security objectives.\nStrong background in data analytics methodologies and tools to improve system insights and drive data-informed decision-making throughout program development.\nExperience with Modular Open Systems Approach (MOSA) / Weapon Open Systems Architecture (WOSA).\nExperience in the aerospace and defense or healthcare industries.\nCertified Systems Engineering Professional (e.g., INCOSE CSEP/ESEP).\nCertification in a systems engineering modeling language (e.g., SysML, UAF).\nPrimary Level Salary Range: $135,800.00 - $203,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. 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