Principal Propulsion Engineer - 3

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: None 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. Expand your horizons, advance your career, and contribute to a secure future for generations. Northrop Grumman’s Space Sector invites you to bring your pioneering spirit to our collaborative teams. As a Principal Research Scientist – Level 3 located in Promontory, UT, you’ll be a linchpin in missions of paramount importance, defining the art of the possible from day one.      We are seeking a highly motivated and detail-oriented Principal Propellant Materials and Process Engineer to join our team. In this role, you will be responsible for supporting all aspects of propellant process development and manufacturing, including assisting propellant casting campaigns, writing and maintaining specifications, and performing data analysis to ensure process excellence. This position requires a proactive approach, strong time management skills, and a collaborative mindset, as you will work cross-functionally with engineering, operations, and leadership teams to solve challenging problems and drive continuous improvement.  This position will work a 9/80 schedule, with every other Friday off. Job responsibilities include, but are not limited to, the following: • Support propellant casting campaigns, ensuring compliance with safety, quality, and performance standards.  • Author and maintain specifications, shop floor planning, and related engineering documentation.  • Perform data collection, analysis, and interpretation using tools such as Excel, VBA, or Python to identify trends and improve understanding of process behavior.  • Support root cause analysis and implement corrective and preventive actions to address manufacturing defects.  • Collaborate with cross-disciplinary teams to develop and continuously improve propellant manufacturing processes.  • Troubleshoot and resolve challenges related to processing, tooling, and facilities, and implement effective solutions.  • Participate in the design, checkout, qualification, and implementation of new or modified tooling, equipment, and processes.  • Create technical reports and presentations to communicate findings and proposals to leadership, customers, and internal teams.  • Perform tabletop reviews with manufacturing operations teams to validate process plans and outcomes.  Why you? You’re the candidate we’re searching for if you are ready to achieve the impossible alongside like-minded innovators. Basic Qualifications: • Bachelor’s degree in Chemistry, Mechanical Engineering, Chemical Engineering or other related (STEM) field with 5 years of professional experience – OR – Master’s degree with 3 years of professional experience – OR – PhD with 1 years of professional experience.   • Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearance • Demonstrated knowledge of laboratory testing techniques and exp