# Senior Antenna Design Engineer I

**CesiumAstro**

- **Location:** Melbourne, FL
- **Workplace:** On-site
- **Salary:** Not disclosed
- **Clearance:** None required
- **Eligibility:** US person or protected individual
- **Export control:** ITAR/EAR controlled
- **Visa:** Not specified
- **Discipline:** Engineering
- **Seniority:** Senior
- **Posted:** 2026-02-02

[Apply on CesiumAstro](https://jobs.lever.co/CesiumAstro/cf7d7e6c-6267-4abd-8bc3-6b58e9824407)
[View on Outerspace Today](https://terminal.outerspacetoday.com
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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 looking to add a **Senior** **Antenna Design** **Engineer I** to our team. The ideal candidate has experience in designing, simulating, building, and testing high-frequency antennas made in printed circuit board (PCB) processes. If you enjoy working in a startup environment and are passionate about developing leading-edge RF hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.
As a Cesium hardware team member, you will be responsible for antenna designs from initial concept through requirements definition, topology selection, detailed design, analysis, optimization, manufacturing, testing, qualification, and in-orbit support of Cesium's products.
The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.
This role will initially be remote, with a planned transition to in-person work once our Florida office is established.

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