Senior/Principal Software Engineer

🚀 Senior / Principal Flight Software Engineer – Space Systems *REMOTE* Working with a leading U.S. aerospace company looking to add Senior and Principal-level Flight Software Engineers to their satellite team. This is a hands-on role focused on building and testing embedded flight software for spacecraft, with exposure across the full mission lifecycle. from early concept through on-orbit operations. What you’ll be doing: Develop and test embedded C/C++ flight software for satellite platforms Contribute across the full lifecycle: Requirements definition & trade studies Software architecture & development Integration with flight hardware Verification, validation, and operations Support GNC-related software integration and system performance analysis Build internal tools to evaluate flight software performance and mission compatibility Work closely with hardware, systems, and test teams in a highly collaborative environment Testing & Integration: Execute testing across: Unit, module, and system levels Hardware-in-the-Loop (HIL) / FlatSat environments Develop test frameworks, tools, and ground support software Support debugging, validation, and anomaly resolution Additional exposure: Contribute to modeling & simulation efforts Support new mission concepts and proposals Evaluate impacts of new hardware, architectures, and mission profiles What they’re looking for: 9–15+ years of experience in software engineering (level dependent) Strong background in embedded software development (C/C++) Experience with flight software, avionics, or aerospace systems Hands-on experience with hardware/software integration and testing Exposure to one or more of the following: GNC algorithms RTOS (VxWorks, Integrity, etc.) Device drivers / BSP / bring-up HIL / simulation environments Software verification & validation Ability to operate as a high-level IC across multiple domains Education: Bachelor’s degree in a STEM field required Master’s degree preferred - 7 years of experience Travel: Up to ~20% travel (domestic) Occasional international collaboration Quick take: This is a high-impact IC role for engineers who want to stay deeply technical while working on cutting-edge spacecraft and flight software systems.