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Senior Radiation Effects Engineer II

CesiumAstro — Tracked from its lever job board

Westminster, CO Senior+ USD 133,000–161,000 Posted May 28, 2026
React Native

About the role

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.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are looking to add a Senior Radiation Effects Engineer II to our team. If you enjoy working in a startup environment and are passionate about developing the next generation of space systems, we would like to hear from you.
In this position, you will be responsible for key aspects of the company’s radiation hardness assurance program. CesiumAstro’s products address market segments that include high-volume LEO applications as well as higher orbits; as such, the successful candidate will have extensive industry experience using modern, cutting-edge devices in space applications. Technical work will include environment analysis, testing, risk management, and product road-mapping. More detailed responsibilities are listed below.
The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

What the index says about this role

  • First seen by JobLarper — Aug 2, 2026, 6 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
  • CesiumAstro is hiring actively — 168 open roles indexed.

Derived from the 27,000 roles JobLarper indexes daily from official company boards — not from the job description above.

⚡ JobLarper watched this role appear on CesiumAstro's official board on May 28, 2026. Sign up free to get alerted minutes after roles like this go live, and tailor your real résumé to the exact description — nothing invented.

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