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. Space Systems is searching for an experienced Sr. Principal Engineer to join the Program Engineering Management (PEM) team supporting the Avionics Design Group (ADG) within the Launch Vehicles (LV) business unit located in Chandler, AZ. This position is 100% onsite. Relocation Assistance may be available. This role will utilize a broad, and deep background in the Aerospace & Defense industry with experience leading multi-disciplined engineering teams to complete avionics development programs.