CesiumAstro

Senior RF Test Engineer I - Antenna

CesiumAstro$100K — $130K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering, Physics, or a related field
  • 4+ years of hands-on RF testing experience
  • Proficient with VNA, spectrum analyzers, and RF instrumentation
  • Ability to perform antenna characterization and measurements
  • Strong knowledge of RF fundamentals and chamber effects
  • Experience with automated testing and data processing (Python and C#)
  • Excellent communication skills with attention to documentation

Responsibilities

  • Plan and execute antenna measurement campaigns in anechoic chambers
  • Perform VNA calibration, spectrum analysis, and signal generation
  • Configure devices and reference antennas for accurate measurements
  • Document and refine test procedures and analysis scripts
  • Collaborate with design teams to troubleshoot product anomalies
  • Maintain chamber instrumentation and RF equipment
  • Develop custom test code for performance improvements

Benefits

  • Company stock options
  • Health, dental, and vision insurance
  • Health Savings Account (HSA) and Flexible Spending Account (FSA)
  • Life and disability insurance
  • Retirement savings plans
Full 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.

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.

JOB DUTIES AND RESPONSIBILITIES

  • 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.


JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • 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#).
  • Excellent written and verbal communication skills, with attention to detail in documentation and reporting.


PREFERRED EXPERIENCE

  • Experience with phased array testing, antenna and phased array troubleshooting, and OTA testing.
  • Antenna design experience.
  • Familiarity with NSI control software and positioner automation.
  • Prior aerospace or satellite RF test experience.


CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

About CesiumAstro

CesiumAstro is a technology company that provides advanced communications systems for satellite and space-based applications. The company's systems use advanced software-defined radio technology to provide high-bandwidth, low-latency communications for a variety of applications, including remote sensing, earth observation, and satellite communications. CesiumAstro's systems are designed to be highly modular and scalable, allowing them to be easily integrated into a wide range of satellite and space-based platforms. The company was founded in 2017 and is based in Austin, Texas.
Learn more about CesiumAstro
Size
100 employees
Industry
Net Income
-$1 million
Founded
2017
5 Year Trend
+80%
Revenue
$5 million

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