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Software Engineer - Vehicle Test

Astranis - San Francisco, CA, United States - In-office - posted 2026-09-17

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Salary: USD 130,000 - 175,000 / annual

Astranis builds advanced satellites for high orbits, providing dedicated, secure networks to large enterprises, sovereign governments, and the US military. The company has five satellites on orbit with a backlog exceeding $1 billion in commercial contracts and employs 450 engineers across its 153,000 sq. ft. Northern California headquarters. As a Software Engineer - Vehicle Test, you will design end-to-end software architecture for hardware validation at integrated vehicle levels and support the company's Hardware-in-the-Loop (HITL) testbed infrastructure for flight validation. Your work ensures aerospace systems are mission-ready and serves as the ultimate safeguard that hardware and software are flight-ready. Key responsibilities include: - Design high-level software architecture supporting vehicle integration and test operations - Coordinate across multiple teams to create software testing infrastructure based on testing and production needs - Work with ground software and flight software teams to integrate flight software into test infrastructure - Design scalable test code reusable across multiple testing campaigns and vehicle generations - Refine specifications from electrical engineers to validate critical flight components - Support all development phases from proposal through successful test and flight - Guide large test campaigns by creating necessary tools and mentoring junior engineers - Assist in recruiting, interviewing, and hiring team members - Participate in rotating on-call shifts to troubleshoot and resolve flight and production issues You will work directly in the lab identifying and fixing complex issues in real-time, gaining unique insight into the entire hardware lifecycle while partnering with nearly every engineering team. This role supports both commercial and U.S. Government programs. REQUIREMENTS: - Bachelor's degree in Computer Science, Electrical Engineering, or equivalent background knowledge - 3+ years of relevant professional experience - Strong proficiency in Python or other high-level object-oriented scripting languages - Experience designing software systems and test architectures, tooling, and frameworks - Experience with Linux and shell command line tools - Passion for building things in fast-paced environments with hands-on design and development - Excellent written and verbal communication skills BONUS: - Experience with relational or time series databases - Embedded systems experience - Experience mentoring junior engineers

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