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. The Defense Systems (DS) has an opening for a Principal Mechanical Engineer. This position is a required on-site position, located on-site at our Defense Systems location Colorado Springs, CO or Roy, UT. This position will support the Sentinel Program's Command and Control (C2) Hardware Engineering team. This position will join a team of Hardware, Electrical, and Mechanical engineers to design hardware systems and components. This position will apply ASME standard processes and procedures to identify, design, and procure electrical and mechanical hardware. This position will derive requirements from parent specifications, compliance documents, and architecture diagrams in order to identify candidate hardware. This position will perform trade studies, Analysis of Alternatives, and create design artifacts which will be documented and released using Product Lifecycle Management tools and technologies. This position will be required to operate in a multi-disciplinary engineering environment consisting of Systems, Software, Design, Compliance, and Hardware engineers.