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Senior Radiation Effects Engineer I Seen this week

CesiumAstro · Westminster, CO · Electronics · first seen 2026-07-16
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.

JOB DUTIES AND RESPONSIBILITIES

  • Own key aspects of the company’s Radiation Hardness Assurance Plan for LEO orbits and beyond.
  • Simulate radiation environments for various orbits using tools such as OMERE.
  • Plan and conduct radiation tests on components and CesiumAstro’s products, including proton, heavy ion, and total dose testing.
  • Predict upset rates by combining environmental simulations with test data.
  • Advise hardware engineers on part selection.
  • Advise software and firmware engineers on best practices for “software radiation tolerance” such as EDAC and watchdog timer.
  • Perform system-level analysis of radiation risk.
  • Participate in design reviews for hardware, software, and firmware to ensure radiation reliability.
  • Digest requirements from potential customers to shape our product-level radiation roadmap.
  • Keep up with the latest industry practices, standards, and requirements.
  • Help to grow the radiation effects team via interviews, training, and mentorship.
  • Advise Business Development on radiation effects for bids and proposals.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor of Science (BS) or higher degree in Electrical Engineering,  Physics, or similar degree from an accredited university.
  • Minimum of 4 years of space product experience.
  • Direct experience performing many or all of the responsibilities listed above.
  • Direct experience working with automotive and high volume commercial grade parts in radiation environments.
  • Good understanding of the radiation physics relevant to electronic components.
  • Excellent written and spoken communication ability.

PREFERRED EXPERIENCE

  • Experience with ray tracing tools such as FASTRAD
  • Experience with radiation susceptibility of RF components including III-V transistors (GaAs, Gan)
  • Specialization of SEE analysis and test of complex digital devices such as FPGAs, processors,  and memories (RAM and NVM)
  • Working knowledge of Electronic Circuit Theory.
  • Basic programming and scripting, such as Python.
  • Managing databases of component test data.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills.  Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.  
 
 
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.