Open Role
Principal Spacecraft Communication Systems Engineer I
at CesiumAstro
Westminster, CO·Posted Jun 24·$142,000–$189,500 / year
Job description
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are designing, building, and launching 8 new satellites in the next four years. They are BIG and super capable RF payload rideshare SmallSats. Our launches are already secured. Our in-house test facilities are built.If you want to own critical communications for these LEO communications satellites and then have the chance to iterate and improve your design at a rapidly growing tech company, this is your chance.
We’re looking for builders, problem-solvers, and system thinkers. As a Spacecraft Communication Systems Engineer, you will own the design, configuration, and operation of the satellite’s space-to-ground communication links. You will define how the satellite communicates with the ground in both nominal and off-nominal conditions, ensuring reliable command, telemetry, and fault recovery.
The ideal candidate will have a strong background in systems engineering, expertise with both space-based communication payloads and ground terminals, and proven ability to coordinate activities across multidisciplinary engineering teams.
About CesiumAstro

Active phased-array communications payloads for satellites and aerospace platforms.
View full profile →- HQ
- Austin, TX
- Stage
- Series C+
- Total Raised
- $645.3M
- Employees
- 201-1,000
- Founded
- 2017