Principal Flight Software Engineer

We're working with a fast-growing space company developing a first-of-its-kind satellite communications network with the potential to fundamentally change global connectivity. They're looking for a Principal Flight Software Engineer to join a small, highly technical team building and operating complex flight systems. This is a hands-on Principal role for someone who can own difficult embedded problems, lead technically and step up when needed. What you'll be doing Develop flight software across embedded Linux and RTOS platformsBuild low-level software in C/C++, including drivers, BSPs and hardware interfacesLead projects from architecture and design through integration and deliveryDebug complex hardware/software issues in the labWork across networking and communication interfacesCollaborate closely with RF, hardware, systems and mission operations teamsImprove development processes, CI, build and release infrastructureMentor engineers and help drive technical standards across the teamHelp shape how AI is responsibly used within embedded software development What we're looking for 10+ years of embedded software engineering experienceStrong Embedded Linux experienceExperience with an RTOS such as FreeRTOS, Zephyr, Green Hills, VxWorks or similarStrong C/C++ development skillsExperience working close to hardwareBSP, device driver and/or device tree experienceStrong integration and debugging skillsAbility to take ownership and lead technically without needing direct reportsComfortable working in a fast-paced, hands-on engineering environment Nice to have Spacecraft or NewSpace experienceRF or RFSoC experienceEmbedded networking / TCP/IPYocto or BuildrootPREEMPT_RTEmbedded security or fault-tolerant software This is a great opportunity for an engineer who wants real ownership, difficult technical problems and the chance to build flight software for a genuinely groundbreaking space-based communications system.