# Principal Spacecraft Communication Systems Engineer I

**CesiumAstro**

- **Location:** Westminster, CO
- **Workplace:** On-site
- **Salary:** $142K–$190K
- **Clearance:** None required
- **Eligibility:** US person or protected individual
- **Export control:** ITAR/EAR controlled
- **Visa:** Not specified
- **Discipline:** Engineering
- **Seniority:** Staff+
- **Posted:** 2025-06-24

[Apply on CesiumAstro](https://jobs.lever.co/CesiumAstro/bc66d334-b7a5-4f73-b1ff-5db47822182e)
[View on Outerspace Today](https://terminal.outerspacetoday.com
/jobs/principal-spacecraft-communication-systems-engineer-i-cesiumastro-5db47822182e)

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_**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](http://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.

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