
Senior Software Engineer - Flight Software
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.
Senior Flight Software Engineer
As a Senior Software Engineer - Embedded at Astranis, you will be responsible for assisting with architecture, high level design choices, development, execution, and implementation of the flight software that commands and monitors the spacecraft. Additionally, you will mentor junior members and collaborate with other teams to ensure that the software you've implemented works on their hardware.
This role will contribute to both commercial and US Government programs.
Role
- Develop Software for the Flight Computer on our Satellites
- Develop Firmware for control boards on the satellite
- Improve and deliver reliable software through requirements generation, continuous integration, automated testing and code reviews
- Collaborate with multiple teams (avionics, Ground Control, Telemetry)
- Develop software in C++ to interface with Flight computer and interface with the custom hardware on the vehicle
- Deliver complex projects through incremental development
- Mentor junior engineers
Requirements
- 5-8+ years of experience developing software for products in modern C++ OR C
- Familiarity with Software Development Methodologies and Design Patterns
- Experience with working on Communication Protocols (TCP/IP, I2C, SPI)
- Good Communication and Written Skills
- Passionate about Space Technology
- Experience with Building High Availability/High Reliability systems.
Bonus
- Experience with embedded Linux / POSIX systems
- Experience with Python
- Experience developing on and for VxWorks, Linux, FreeRTOS, or QNX Environments
- Demonstrated experience building, testing, and shipping production software
- Experience with safety critical development (FDA, FAA, Automotive)
- Experience Board Bringup, debugging / Integration of Hardware Software
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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Job Details
- Department
- Software
- Category
- Software
- Employment Type
- Full Time
- Location
- San Francisco, California, United States
- Posted
- Apr 13, 2026, 01:11 PM
- Listed
- Aug 10, 2025, 08:10 PM
- Compensation
- $150,000 - $220,000 per year
About Astranis
Part of the growing space & AI ecosystem pushing the frontiers of technology.
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