Cesiumastro3mo ago

Senior RF Test Engineer I

AustinFull-timesenior

OtherQA & TestingTest EngineerRf Test Engineer

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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,

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OtherQA & TestingTest EngineerRf Test Engineer

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’re seeking a Senior Antenna Test Engineer I with experience in RF anechoic chamber measurements and Antenna characterization to join our Test Engineering team. You’ll work closely with RF, antennas, and systems engineers to define, execute, and analyze antenna measurement campaigns — including radiation patterns, gain, efficiency, polarization, and over-the-air performance — using state-of-the-art chamber setups.

Plan, setup, and execute antenna and RF measurement campaigns in anechoic chambers, including Near-Field and far-field radiation patterns, gain, efficiency, and polarization characterization.

Perform VNA calibration and measurement, spectrum analysis, and signal generation.

Align, position, and configure devices under test (DUTs), reference antennas, and positioners to maximize measurement fidelity.

Develop, refine, and document test procedures, setups, and data and test analysis scripts.

Collaborate with design and systems teams to troubleshoot anomalies and product development.

Manage and maintain chamber instrumentation, cables, and ancillary RF equipment.

Develop custom test code, to enhance test performance and reduce test time.

Bachelor of Science (BS) or higher in Electrical Engineering, Physics, or a related field.

4+ years of experience in RF testing, with significant hands-on experience in anechoic chamber antenna measurements.

Proficient with Vector Network Analyzers (VNA), spectrum analyzers, signal generators, and associated RF instrumentation.

Demonstrated ability to perform pattern measurements, gain and efficiency extraction, and polarization characterization.

Strong understanding of RF fundamentals: matching, S-parameters, near field and far-field measurements, and chamber effects.

Experience with automated test procedures and data processing (Python and C#).