Sr. Principal Structural Design Engineer

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: None TRAVEL: Yes, 10% of the Time Description At 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 . As 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. Job responsibilities include (but are not limited to) the following: • Perform requirements definition, conceptual design, preliminary/layout work, detailed design, drawing release, design‑review presentations, and support for fabrication/integration. • Conduct bus‑equipment layout, payload layout, and preliminary cable‑ and harness‑routing (DC, RF, waveguide). • Collaborate 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. • Generate and maintain part and assembly drawings, source‑control drawings, interface‑control drawings, and installation drawings. • Participate 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. • Support program milestone reviews (SRR, PDR, CDR, IDR, etc.) and gate or lien closures. • Provide I&T sustaining support. Basic Qualifications: • Bachelor’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. • Prior work experience in aerospace subsystem design, mechanical‑design integration, or related engineering experience. • Proficiency with a CAD system (Siemens NX, CATIA V5, or 3DX). • Must be able and willing to obtain and maintain a U.S. Government Top Secret clearance Preferred Qualifications: • Active TS/SCI clearance •EVMS/CAM and Project Management experience   Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below: https://www.northropgrumman.com/space . Working 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 .   #LosAngelesSpace #SpaceEngJobs #SpaceSoftwareJobs Primary Level Salary Range: $142,200.00 - $213,400.00 The above salary range represents a genera