Principal Aeronautical Engineer  Level 3 (AHT)

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret 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. 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 Defense Systems  is seeking an experienced  Principal Aeronautical Engineer Level 3 . This position will be located at our  Advanced Weapons Business Unit  in  Woodland Hills, CA . This role is onsite and follows a 9/80 schedule.  Hybrid and remote work are not allowed . A Government issued  Secret clearance is required to start .      We are excited for you to join our team of qualified and diverse individuals. Our domain provides rewarding work that contributes to the latest advancements being made in the missile defense industry.     Job Responsibilities:    • Design of primary and secondary missile structures, parts and assemblies, including 3D CAD modeling; 2D drawing preparation, review, revision, and release; selection of components and materials; conduct and support trade studies.   • Employ GD&T and Model Based Engineering (MBE) methods in support of Digital Transformation   • Communicate with suppliers and customers to exchange technical information.   • Coordinate with supply chain regarding design changes, cost reductions, process improvements, and changing suppliers   • Coordinate with manufacturing regarding design and process improvements, and fixture requirements   • Collaborate with other functional areas on various aspects of product design/documentation, including procurement, production, logistics and configuration management   • Hands-on troubleshooting, inspection, and assembly of parts/subsystems in support of prototyping, production and test   • Perform tolerance stack up analysis and author reports documenting them   • Collaborate with analysis teams who are responsible for generating mass properties, structural, thermal and materials/processes reports   • Create and deliver engineering briefings or reports to support design review activities   • Track & report task status   • Assist team to develop/document best practices and mentor less experienced engineers   • Create and maintain design history files and track design defects, assign priority/severity,