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CesiumAstro

Designs satellite communications hardware and software

Test Technician 3 - RF

Hardware Validation & TestingConfirmed live in the last 24 hours
Full-timeWestminster, CO, USAIn-person

About the Job

Requirements

  • A minimum of 3 years of directly related experience as an Engineering Technician or RF Technician.
  • Experience working with active electronics and RF systems.
  • Hands-on experience with lab instruments such as spectrum analyzers, vector network analyzers, RF signal generators, oscilloscopes, digital multimeters, and power meters.
  • Experience troubleshooting RF systems and interpreting measurement data with minimal supervision.
  • Strong problem-solving skills and the ability to troubleshoot complex RF systems independently.
  • Strong organization skills and the ability to manage multiple priorities in a fast-paced environment.
  • Comfort using collaboration tools such as Microsoft Teams, SharePoint, Confluence, and Jira.
  • Ability to work well under deadlines and adapt to changing priorities.
  • Strong digital, written, and verbal communication skills.
  • Ability to read and interpret schematics, wiring diagrams, and engineering documentation.

Responsibilities

  • Execute RF and antenna test plans and provide concise, accurate, and timely reporting of findings.
  • Organize, maintain, and improve antenna testing facilities, equipment, and lab resources.
  • Create and own the setup, troubleshooting, and characterization of sensitive electronics, including QFNs, chip-scale integrated circuits, RF cables, and 0201 passive components.
  • Build, maintain, and troubleshoot complex RF test setups consisting of instrumentation, cabling, switching, and devices under test.
  • Create detailed documentation and provide feedback on it to maintain a high standard of quality and attention to detail.
  • Assist in developing standardized test procedures and improving lab efficiency and repeatability.
  • Collaborate with engineering teams to diagnose and resolve RF, power, thermal, and digital integration issues.
  • Support calibration, maintenance, and verification of lab instrumentation and equipment.

Desired Qualifications

  • Familiarity with phased array or active electronically scanned array testing.

About the Company

CesiumAstro

Designs satellite communications hardware and software

CesiumAstro builds end-to-end space and airborne communications systems, combining hardware and software to connect satellites, UAVs, and ground stations. Its products include active phased array antennas, software-defined radios, and complete RF payloads that enable electronically steered links for inter-satellite communication, high-rate downlinks, lunar communications, and 5G/NTN networks. The company ships plug-and-play, commercially manufactured, full-stack systems designed to be flexible and cost-efficient, rather than bespoke one-off solutions. Its goal is to make space-based connectivity more accessible and adaptable across space, air, and ground networks for both government and commercial customers.

Company size
501-1,000
Company stage
Debt Financing
Total funding
$1.6B
Headquarters
Bee Cave, TX
Founded
2017

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