Sr. Principal Systems Engineer

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt 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 is seeking a Sr. Principal Systems Engineer (Level 4) to support our training systems engineering development team with a strong emphasis on Model-Based Systems Engineering (MBSE). The selected candidate will own key elements of the training system architecture and requirements, leverage SysML and Cameo to develop and maintain system models, and help lead the team through major Systems Engineering Technical Review (SETR) events, including Training PDR TIMs, PDR, and CDR. This position is located in Melbourne, FL.This role will be responsible for developing and maturing training system specifications, requirements traceability, and design documentation, as well as coordinating with internal and supplier teams to deliver a robust technical baseline that meets customer needs.Responsibilities• Support Training PDR Technical Interchange Meetings (TIMs), including agenda preparation, government coordination/approval, and documentation of minutes, risks, issues, and actions• Plan, prepare, and execute Training SETR and associated review events, ensuring clear entry/exit criteria and closure of action items• Develop and mature the training system architecture and requirements to PDR-level maturity, including post-SFR gap assessment, functional decomposition, and allocated baseline definition• Integrate supplier subsystem specifications and models into the overall training system/weapon system architecture; validate logical decomposition, interfaces, and requirements traceability• Update and mature system/software design documents (SSDDs) and other element-level design artifacts to support Trainer SETR event and subsequent reviews• Support Trainer SETR events across VR, panel, hardware, and operational trainer devices, ensuring consistency with the technical baseline and customer expectations• Incorporate SETR event outcomes (RFAs and review comments) into updated requirements, architecture, and Cameo models; manage burn-down plans and coordinate submittal of updated baselines• Coordinate with supplier engineering teams to review and refine trainer subsystem specifications and models, provide clear technical feedback, adjudicate comments, and ensure supplier deliverables align with the system architecture, requirements, and program review milestones.Basic Qualifications• Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Computer Science, or related STEM discipline with 9 years of experience OR at least 7 years with Master’s Degree OR at least 4 years with PhD• Significant professional experience in systems engineering across the development lifecycle (requirements analysis, architecture/design, integration, verification & validation)• Hands-on experience with Model-Based Systems Engineering (MBSE) practices, such as developing and maintaining SysML-based models, and using Cameo for system architecture, behavior, and interface modeling• Demonstrated experience preparing for and executing Systems Engineering Technical Review (SETR) events such as SFR, PDR, and/or CDR, including development of technical artifacts and presenting to internal and customer stakeholders• Strong technical writing and verbal communication skills, with the ability to convey complex model-based and architectural concepts to diverse audiences• Ability to work onsite as required to support lab activities, reviews, and team collaboration• Experience managing suppliers’ adherence to requirements and developing RTGs if/when supplier performance requires it• Must possess an active DoD Secret clearance that is in scope and have the ability to obtain and maintain a DoD Top Secret clearancePreferred Qualifications• Master’s degree in Systems Engineering or related STEM field• Direct experience applying MBSE to training systems, simulators, or mission rehearsal/training environments (e.g., VR/AR trainers, cockpit trainers, maintenance trainers)• Prior lead or principal role in major SETR events (PDR, CDR, TRR), with responsibility for the model-based technical baseline and closure of review action items• Advanced proficiency with Cameo, including profile customization, automated checks, report/document generation, and integration with requirements or configuration management tools• Demonstrated track record of driving technical risk identification and mitigation, and maintaining configuration control of system models, requirements, and design artifacts• Experience working with NAVAIR requirements, processes, and standards, including interpreting, tailoring, and implementing NAVAIR requirements within system architectures and training system designs.Primary Level Salary Range: $122,800.00 - $184,200.00The 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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.SummaryLocation: United States-Florida-MelbourneType: Full time