Senior RF Engineer Verified today

CesiumAstro · Westminster, CO · RF & Comms · first seen 2026-09-03

CesiumAstro develops communication systems for satellites, UAVs, launch vehicles, and aerospace platforms. We are seeking a Senior RF Engineer to join our hardware team in Westminster, CO.

Your Responsibilities

  • Design RF circuits and systems through all phases of development: concept, requirements, part selection, schematic, PCB layout, analysis, manufacturing, testing, qualification, and in-orbit support.
  • Lead board-level schematic design and PCB layout of RF circuits including phased array front-ends, frequency converters, synthesizers, filters, beamformers, power dividers, and antennas.
  • Conduct system-level analysis including link budgets, modulation schemes, and worst-case circuit analysis.
  • Perform simulations, design tests, and troubleshoot RF hardware.
  • Present engineering design reviews to customers and executive leadership.
  • Contribute to proposal writing efforts.

Requirements

  • Bachelor of Science or Master of Science in Electrical Engineering from an accredited university.
  • Minimum 5 years of industry experience in RF electronics design, analysis, test, and troubleshooting.
  • Proficiency with professional simulation tools (CST, ADS) and EDA tools (Altium).
  • Hands-on experience with lab instruments: vector network analyzers, spectrum analyzers, signal generators, oscilloscopes.
  • Excellent written and verbal communication skills.
  • U.S. citizen, lawful permanent resident, conditional resident, asylee, refugee, or eligible to obtain U.S. Department of State authorization per export regulations.

Preferred Experience

  • MATLAB or other programming languages.
  • Aerospace electronics design, development, and qualification.
  • Worst-case circuit analysis, failure method and criticality analyses, and reliability analysis.
  • Antenna design.
  • EMI/EMC design and mitigation techniques.

Full-time position with company stock options and benefits including health, dental, vision, HSA, FSA, life, disability, and retirement plans.