SpaceX is seeking a Senior GNC Software Engineer to join their Falcon team in Hawthorne, CA. This role combines software engineering expertise with guidance, navigation, and control (GNC) systems for SpaceX's industry-leading launch operations. The position involves developing critical tools and applications that will enhance the launch rate of Falcon missions while ensuring reliability and robustness. As a GNC Software Engineer, you'll be directly involved in mission design, pre-flight analysis, and launch operations, working on trajectory optimization and vehicle simulation for all flight phases including launch, entry, landing, and fairing recovery. The role requires strong Python development skills combined with knowledge of orbital mechanics or flight dynamics. SpaceX offers competitive compensation ranging from $160,000 to $220,000 annually, plus comprehensive benefits including equity opportunities. This is an excellent opportunity for experienced software engineers passionate about space technology and contributing to SpaceX's ultimate goal of enabling human life on Mars. The position requires ITAR compliance and may involve extended hours and weekend work as needed.