Sr Principal Systems Engineer - IPT Lead

RELOCATION ASSISTANCE: No relocation assistance 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 Space Systems  has an opening for a  Sr Principal Systems Engineer - IPT Lead  to join our team in Chandler, AZ .  We are seeking a highly experienced Systems Engineer to lead complex systems engineering efforts on advanced missile programs. This role will own major trade studies, develop and manage Interface Control Documents (ICDs), and provide technical leadership across a multi-disciplinary team. The ideal candidate has a strong MBSE background, demonstrated leadership of Integrated Product Teams (IPTs), and experience managing scope, cost, and schedule using control account management and earned value management (EVM) practices. Key Responsibilities: • Lead system-level trade studies to evaluate design alternatives, assess performance vs. cost/schedule/risk, and support architecture decisions for advanced missile systems. • Develop, maintain, and baseline system- and subsystem-level Interface Control Documents (ICDs), including mechanical, electrical, data, and software interfaces. • Apply Model-Based Systems Engineering (MBSE) methods and tools to capture requirements, architecture, behaviors, and verification/validation plans. • Serve as a technical lead for multi-disciplinary engineering teams (e.g., GNC, avionics, propulsion, structures, software, I&T), ensuring system-level integration and design coherence. • Act as Control Account Manager (CAM) for assigned work scope, including planning, budgeting, tracking, and reporting performance. • Implement Earned Value Management (EVM) principles to monitor cost and schedule, identify variances, and develop recovery plans. • Lead and coordinate Integrated Product Teams (IPTs), driving technical execution, risk management, and cross-functional issue resolution. • Develop and maintain systems engineering artifacts including requirements documents, CONOPS, specifications, verification matrices, and system-level test strategies. • Support integration and test planning and execution, including test readiness reviews, anomaly resolution, and verification/validation activities. • Participate in customer technical interchange meetings, design reviews (SRR, PDR, CDR, TRR), and formal reviews, presenting technical status, risks, and mitigations. • Support risk and opportunity management, including identification, assessment, and mitigation planning at the system level. Basic Qualifications: • Bachelor's degree in a STEM discipline (Science, Technology, Engineering or Math) with 8 years of related engineering experience; OR a Master’s degree in STEM with 6 years of related engineering experience • Requires an active U.S. Government Secret security clearance at time of application, current and within scop e • ​Hands-on experience with Model-Based Systems Engineering (MBSE) tools and practices (e.g., SysML, Cameo/MagicDraw,