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Radiation Effects Engineer I

CesiumAstro

Job Location:

El Segundo, CA - USA

Yearly Salary: USD 100000 - 121000

Posted: 29 September 2026 (Yesterday)

Application Deadline: 27 December 2026

Vacancies: 1 Vacancy

Job Summary

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.

AtCesiumAstro 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 aRadiation Effects Engineer I 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 support the analysis characterization and verification of radiation effects impacting electronic components and systems for products and platforms. This role contributes to product development by supporting radiation effects analyses assisting with testing activities and evaluating radiation susceptibility to help ensure products satisfy technical reliability and mission requirements for space environments.

Working cross-functionally with electrical hardware FPGA systems software mechanical manufacturing integration and test quality and program teams this role supports radiation effects analysis testing and mitigation throughout the product development lifecycle.

JOB DUTIES AND RESPONSIBILITIES

Support radiation effects analyses for electronic components integrated circuits and electrical subsystems supporting products and platforms.
Perform radiation assessments component evaluations shielding analyses and worst-case analyses to support radiation-tolerant hardware designs.
Review radiation environments component specifications engineering data and technical documentation while supporting radiation effects engineering activities.
Support radiation testing characterization data collection and design validation activities.
Analyze total ionizing dose (TID) single event effects (SEE) displacement damage laboratory measurements and engineering data while documenting findings.
Assist with design verification root cause investigations engineering changes and qualification activities supporting product development.
Cross-Functional Engineering Support
Collaborate with electrical hardware FPGA systems software mechanical manufacturing integration and test quality and program teams supporting radiation effects engineering activities.
Prepare radiation analyses technical reports test procedures qualification documentation and design review materials supporting engineering decisions.
Support design reviews technical discussions hardware integration and engineering investigations throughout the product development lifecycle.
Maintain radiation analysis documentation test results qualification records and configuration-controlled technical data.
Apply engineering standards radiation analysis practices company procedures and customer requirements throughout product development.
Recommend improvements that enhance radiation tolerance product reliability and design quality.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelors degree with 02 years of related experience in electrical engineering physics nuclear engineering aerospace engineering or a related engineering field.
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.

$100000 - $121000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates 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.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard torace color religion sex national origin disability protected Veteran Status or any other characteristic protected by applicable federal state or local law.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

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