Principal RF Test Engineer

Principal RF Test Engineer I

Design, analyze, and implement engineering test plans and procedures for satellite, spacecraft, and aerospace communication systems.

• Collaborate with design and test engineering teams to develop test requirements and map them to reusable test architectures and procedures.
• Implement test plans and procedures, and log and present results to key stakeholders.
• Manage lab and equipment, guide key equipment purchase decisions.
• Architect RF test systems and participate in “design for test” planning and review from the early stages of product development.
• Present engineering review materials to customers and the executive team, and participate in proposal‑writing efforts.

• Bachelor of Science (BS) or higher in Electrical Engineering or Computer Engineering.
• Minimum of 9 years of industry or university research experience in design, analysis, and implementation of RF test systems.
• High proficiency with RF measurements (Linearity, NSD, EVM, etc.) and performing conducted RF measurements.
• Test architecture design and development, including scripting, test executives, hardware, and measurement abstraction layers.
• Hands‑on experience with lab instruments such as digital oscilloscopes, multimeters, electronic loads, source measurement units, RF signal generators, spectrum analyzers, network analyzers, and vector signal analyzers.
• Excellent written and verbal communication skills.

• Familiarity or hands‑on experience with phased array over‑the‑air range testing (phase/amplitude calibration, EIRP, G/T, axial ratio, scan loss and pattern cuts).
• Programming or scripting experience in Python, MATLAB, C/C++.
• Understanding of RF and mixed‑signal hardware (e.g., amplifiers, filters, ADCs/DACs, antennas) and its effects on test design.

$158,000 - $189,000 a year

Cesium Astro considers several factors when extending an offer, including but not limited to role, experience, education, and skills. Full‑time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life, and retirement plans.

Cesium Astro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Cesium Astro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Cesium Astro team members not through our approved vendor list or Talent Acquisition will be considered property of Cesium Astro, and we will not be obligated to pay any referral fees.