Sr. Principal NH&S Systems Engineer
Northrop Grumman
- Location
- United States-Florida-Melbourne
- Work model
- On-Site
- Level
- Principal
- Posted
- Sep 3, 2026
About this role
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. Northrop Grumman Aeronautics Systems is seeking a Sr. Principal Systems Engineer – Nuclear Hardness & Survivability (NH&S) to join our diverse Specialty Engineering team in Melbourne, Florida. This engineer will lead nuclear survivability and hardness activities, supporting design and mitigation strategies to develop and field a survivable weapon system with operational requirements across multiple threat environments.
Responsibilities
The Sr. Principal Systems Engineer will implement and mature the weapon system threat-environment compliance and certification program, drive product development and program completion, and lead weapon system analysis and verification efforts for components, equipment, subsystems, and the air vehicle. Key responsibilities include: • Perform and lead core Systems Engineering functions such as requirements development, analysis, decomposition, and traceability for nuclear survivability and hardness requirements. • Provide cross IPT technical support for development/certification efforts, including development and review of SSOW/SDRL/CDRLs and completion of trade studies focused on NH&S impacts. • Provide technical guidance and direction to IPTs and suppliers on nuclear survivability requirements, design criteria, and verification approaches. • Participate in and influence requirement/design Allocation Control Boards (ACBs), Technical Review Boards (TRBs), and other program reviews and boards, representing NH&S interests and risks. • Generate weapon system design criteria supported by design analysis, modeling and simulation, equipment and system level trade studies, system integration, and test artifacts at piece part, component, equipment, and system levels. • Develop nuclear hardness system level design strategies, including system level analysis and testing in support of the acquisition life cycle and certification goals. • Lead or review supplier artifacts such as drawings, Qualification Test Plans & Procedures, Qualification Test Reports, and Qualification by Similarity substantiating data for NH&S compliance. • Contribute to and review system level NH&S Design Analysis Reports (DARs) and nuclear hardness system test plans and reports documenting equipment compliance and weapon system certification. • Prepare and present nuclear survivability engineering artifacts and status at internal and external design reviews, ensuring clear linkage between requirements, analyses, test results, and weapon system performance traceability. Basic Qualifications • Bachelor of Science (BS) in a relevant Science, Technology, Engineering, or Mathematics (STEM) discipline and 8 years of related engineering experience; OR Master of Science (MS) in a relevant STEM discipline and 6 years of related engineering experience; OR PhD in a relevant STEM discipline and 4 years of related engineering experience. • US Citizenship and an active DoD Secret clearance prior to employment. • Demonstrated experience effectively communicating technical approaches and