Flight Software Engineer
Astranis · San Francisco
Posted April 13, 2026
Job Description
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts.
Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world’s best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.
Flight Software Engineer
Role
- Implement spacecraft avionics software
- Implement ground control and telemetry software
- Implement software for automated testing at component, functional and system levels, including HITL (Hardware in the Loop) testing
- Implement low level software to interface with various spacecraft components
- Implement/troubleshoot/improve real time operating system components
- Support in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team.
Requirements
- Bachelor of Science degree in CS, EE (or equivalent background knowledge)
- A passion for building things, including working in a fast-paced environment and hands-on design and development
- Experience with C and/or C++
- Experience with Linux and shell command line tools
- Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria.
Bonus
- Experience with designing real time systems
- Experience with building bare-metal embedded system software
- Experience with reading schematics and datasheets, debugging circuits that interface with embedded software, from debugger to logic analyzer to oscilloscope
- Experience with web development frameworks and databases
- Experience with test framework development, especially with HITL (Hardware in the Loop) systems
Base pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.
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