Senior RF Engineer Verified today

CesiumAstro · El Segundo, CA · 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 El Segundo, CA.

About the role

You will be responsible for RF circuits and systems through all phases of development: concept, requirements, design, analysis, manufacturing, testing, qualification, and in-orbit support. Your work will span phased array communication systems including RF front-ends, frequency converters and synthesizers, filters, beamformers, power dividers, and phased array antennas.

Key responsibilities:

  • Board-level schematic design and PCB layout of RF circuits
  • System-level communications analysis including link budgets and modulation schemes
  • Block diagrams, detailed schematics, PCB layout and routing
  • Simulations and test design
  • Hardware design from initial concept through in-orbit support
  • Present engineering design reviews to customers and executive team
  • Participate in proposal-writing efforts

Required qualifications

  • 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
  • Professional simulation tools: CST and ADS
  • EDA tools: Altium
  • Lab instruments: vector network analyzers, spectrum analyzers, signal generators, oscilloscopes
  • Excellent written and verbal communication skills

Preferred experience

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

Employment details

Full-time position. Benefits include company stock options, health, dental, vision, HSA, FSA, life, disability and retirement plans.

U.S. person status required per U.S. Government Space Technology Export Regulations: applicant must be a U.S. citizen, lawful permanent resident, conditional resident, asylee, refugee, or eligible to obtain required authorizations from the U.S. Department of State.