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 Sentinel Mission Defense Team (MDT) is seeking a highly motivated and qualified system engineer to serve as a System-Theoretic Process Analysis for Security (STPA-Sec) Engineer, Level 4. You will be combining traditional Systems Engineering skills, with a holistic system analyses approach in order to uncover any potential security, safety, or availability features using the existing STPA handbook guidelines, industry security frameworks (NIST, ISO, NISPOM), and Model Based Systems Engineering (MBSE) workspace. You will be generating structured requirements, decomposition strategies, and mitigations within STPA principles. This position will be located in Huntsville, Alabama and may offer a competitive relocation package.