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Senior Radiation Effects Engineer II

CesiumAstro

Job Location:

Austin, TX - USA

Monthly Salary: Not provided by the employer

Posted: 31 May 2026 (30+ days ago)

Application Deadline: 15 September 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 aSenior 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 companys radiation hardness assurance program. CesiumAstros 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.

JOB DUTIES AND RESPONSIBILITIES

Own key aspects of the companys 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 CesiumAstros 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 6 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 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:

Senior IC

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