At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of the Lunar Permanence business unit, which develops Blue Origin’s Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface. As part of a hardworking team of spacecraft development engineers, you will contribute to the development of the Guidance, Navigation & Control software as Senior Software Engineer. You will contribute to the code development of flight and simulation software technical baselines, software architecture, GNC algorithm implementation, and interfaces across multiple spacecraft to enable mission closure. You will engage with the cross-program software organizations to ensure spacecraft as-built configurations of hardware and software meets the mission needs. You will support the integrated GN&C subsystem hardware and software through the full lifecycle starting at preliminary system level definition, detailed subsystem design and performance analysis, vehicle assembly, verification, system validation, mission certification, and mission operations.