Principal Antenna Design Engineer I

CesiumAstro  · Westminster, CO  · Oct 9, 2025

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 Principal 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 work will include many aspects of phased array communication systems, including RF front-ends, beamformers, power dividers, and phased array antennas. The successful candidate will also present engineering...

Requirements:
Bachelor of Science (BS) degree or higher in Electrical Engineering or Physics from an accredited university or institution.
Minimum of 9 years of industry or university research experience in antenna design, analysis, optimization, fabrication, and test.
Phased array design and development.
Expert-level proficiency in 3D electromagnetic simulation tools such as CST or HFSS.
Strong experience with EDA tools such as Altium.
Hands-on experience with lab instruments such as vector network analyzers, spectrum analyzers, signal generators, and oscilloscopes.
Excellent written and verbal communication skills.
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Company
CesiumAstro
Location
Westminster, CO
More jobs in Westminster
Job Type
Full-time
Category
Antenna
Posted
Oct 9, 2025
Source
Original posting ↗