{"id":3717883,"url":"https://alion.io/job/northrop-grumman-sr-principal-structural-design-engineer","title":"Sr. Principal Structural Design 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":"B","score":81,"open_postings":468,"ghost_share":0.006,"stale_share":0.75,"repost_share":0.024,"time_to_fill_p50_days":25,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Redondo Beach, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":142200,"max":213400,"currency":"USD","period":"year","gross":null,"usd_annual":213400},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CATIA","optional":false},{"name":"Siemens NX","optional":false},{"name":"EVMS","optional":true}],"status":"closed","first_seen_at":"2026-11-03T00:00:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T18:33:03Z","board_verified":false,"closed_at":"2026-11-06T18:33:03Z","days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: 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.Northrop Grumman Space Sector is seeking a Sr. Principal Structural Design Engineer (Level 4) to join the Vehicle Engineering Directorate within Western Region Engineering. This position is located onsite in Redondo Beach, California.\nAs a Structural Design Engineer, you will lead the preliminary, conceptual, and detailed design of spacecraft components, subsystems, and systems. Your responsibilities will include developing high-fidelity simulation models, releasing detailed drawings, and coordinating manufacturing, integration, test, and delivery of space-vehicle structures.\nJob responsibilities include (but are not limited to) the following:\nPerform requirements definition, conceptual design, preliminary/layout work, detailed design, drawing release, design-review presentations, and support for fabrication/integration.\nConduct bus-equipment layout, payload layout, and preliminary cable- and harness-routing (DC, RF, waveguide).\nCollaborate closely with stress, manufacturing, M&P, and test teams to define design requirements, establish structural load paths, develop CAD models, and produce engineering drawings for flight and structural-test articles.\nGenerate and maintain part and assembly drawings, source-control drawings, interface-control drawings, and installation drawings.\nParticipate in system-level trades to ensure the vehicle meets all physical, mechanical, and environmental requirements while supporting payload, power, propulsion, thermal, communications, and attitude-control system needs.\nSupport program milestone reviews (SRR, PDR, CDR, IDR, etc.) and gate or lien closures.\nProvide I&T sustaining support.\nBasic Qualifications:\nBachelor’s degree in a STEM discipline with 8+ years of engineering experience or Master’s degree in STEM with 6+ years of engineering experience or Ph.D. in STEM with 4+ years of engineering experience.\nPrior work experience in aerospace subsystem design, mechanical-design integration, or related engineering experience.\nProficiency with a CAD system (Siemens NX, CATIA V5, or 3DX).\nMust be able and willing to obtain and maintain a U.S. Government Top Secret clearance \nPreferred Qualifications:\nActive TS/SCI clearance\nEVMS/CAM and Project Management experience\nCurious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:\nhttps://www.northropgrumman.com/space.\nWorking at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site: Northrop Grumman Total Rewards.\n#SpaceEngJobs\n#SpaceSoftwareJobs\nPrimary Level Salary Range: $142,200.00 - $213,400.00The 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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