Senior GNC Controls Engineer
Astranis seeks a Senior GNC Controls Engineer to own control algorithms from design to orbit operations. You'll work on advanced satellites, developing closed-loop controllers and simulations, with equity and robust benefits.
Responsibilities
- Design, implement, and test closed-loop control algorithms for satellite maneuvers
- Develop and maintain high-fidelity satellite simulations to validate GNC algorithms
- Validate algorithm performance through simulation, Monte Carlo analysis, and on-orbit testing
- Perform stability analysis in time and frequency domains
- Support system identification efforts using in-orbit telemetry
About the role
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 GNC Controls Engineer As a Controls Engineer on the GNC team, you will own control algorithms from design through to operation in orbit, and you will develop tooling to analyze and tune our existing controllers. S.
or higher in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related technical discipline 5+ years of industry experience in GNC, controls, or a closely adjacent discipline Strong fundamentals in classical and modern control theory, including frequency-domain analysis (Bode plots, Nyquist, gain/phase margins) Experience designing and implementing closed-loop control systems for dynamic systems Experience with gain optimization, linearization, and controls tooling development Demonstrated experience modeling flexible body dynamics and mitigating their effects through system design and control systems Proficiency in Python for algorithm development and simulation Experience with modern C++ for on-board software Strong problem-solving skills and attention to detail Strong written and verbal communication skills and ability to work in a fast-paced, iterative environment US Citizenship or Green Card Don't meet them all?
Not a problem.
, stationkeeping, momentum management maneuvers) Background in estimation theory or Kalman filtering for attitude/orbit determination Hands-on experience with hardware-in-the-loop testing or real-time simulation environments Experience supporting live satellite operations or anomaly resolution Experience with AI tooling and agentic workflows What we offer: All our positions offer a compensation package that includes equity and robust benefits.
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.
Astranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position. S. S. S. C.
1324b(a)(3)) Our mission and our products are meant to connect the world and everyone in it, regardless of gender, race, creed, or any other distinction. We believe in a diverse and inclusive workplace, and we encourage all people to join our team and bring their unique perspective to help make us stronger.