Sr Principal Systems Engineer Architect

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About the role

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top 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. Northrop Grumman Aeronautics Systems is seeking a Sr. Principal Systems Architect to provide senior technical leadership in model based systems engineering, requirements development, and architecture definition for a complex aerospace system. This role focuses on using Cameo to capture and manage system requirements, functional and physical architectures, and interfaces across the program lifecycle. This position will be located in Melbourne, FL The Sr. Principal Systems Engineer will lead requirements and architecture development in Cameo, ensuring the digital system model is a complete and coherent representation of system requirements, behaviors, and interfaces. This individual will work under consultative direction, independently determining and developing approaches to solutions, and collaborating with chief engineers, IPTs, and specialty disciplines to support design decisions, mission effectiveness, and verification planning. Responsibilities • Lead requirements development, decomposition, allocation, and traceability within Cameo, translating customer and stakeholder needs into system, segment, and subsystem requirements. • Develop and maintain system architectures (operational, functional, and physical) using SysML and MBSE methods, including use case, activity, sequence, block definition, and internal block diagrams. • Integrate requirements, behaviors, interfaces, and constraints into a cohesive model that supports mission analysis, system design, and verification/validation strategies. • Establish and apply modeling conventions and guidelines; provide recommendations that directly influence major program and organizational objectives. • Coordinate architecture and requirements updates with multi disciplinary teams (mission systems, avionics, ground systems, communications, vehicle teams, etc.), capturing cross discipline impacts and dependencies. • Generate model based views and reports for technical reviews (SRR, PDR, CDR, etc.), clearly communicating requirements coverage, interface definition, and design maturity. • Provide MBSE and Cameo guidance and mentorship to other engineers; help grow modeling capability across the team. • Collaborate with requirements management and configuration management to baseline the Cameo model and maintain alignment with tools such as DOORS/DOORS Next. Basic Qualifications • Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 8 years of related engineering experience, OR Master’s degree in STEM and 6 years of related engineering experience, OR PhD in STEM and 4 years of related engineering experience. • US Citizenship and ability to obtain and maintain a DoD security clearance as required by the program. • Extensive systems engineering experience with emphasis on requirements development, decompos

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