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Radiation Engineer Jobs in California (NOW HIRING)

Radiation Test Engineer

San Francisco, CA ยท On-site

$120K - $145K/yr

Radiation Test Engineer As our Radiation Test Engineer you will be responsible for analyzing and testing candidate electronics for our spacecraft. This position requires hands-on experience ...

Radiation Test Engineer As our Radiation Test Engineer you will be responsible for analyzing and testing candidate electronics for our spacecraft. This position requires hands-on experience ...

You will actively engage program leadership and engineers to drive intelligent system design, part selection, subcontracts, and analyses. Responsibilities: * Analyze impacts of space radiation on ...

Radiation Effects Engineer

San Francisco, CA ยท On-site

$120K - $145K/yr

Radiation Effects Engineer As a Radiation Effects Engineer, you will be responsible for driving the electrical survivability of our spacecraft by analyzing, designing, and testing robust electronic ...

Sr. Radiation Effects Engineer

Hawthorne, CA ยท On-site

$140K - $205K/yr

Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. RADIATION EFFECTS ENGINEER As a member of our fast-paced ...

Sr. Radiation Effects Engineer

Hawthorne, CA ยท On-site

$140K - $205K/yr

Support a cross-discipline team of design and system engineers in providing radiation test and analysis results, advice on requirements flow down, modeling and analysis reports, and recommendations ...

Radiation Effects Engineer

Los Angeles, CA ยท On-site

$81K - $113K/yr

You will actively engage program leadership and engineers to drive intelligent system design, part selection, subcontracts, and analyses. Responsibilities: * Analyze impacts of space radiation on ...

New

Radiation Effects Engineer

Long Beach, CA ยท On-site

$175K - $249K/yr

Senior Radiation Effects Engineer At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ...

Radiation Effects Engineer

San Francisco, CA ยท On-site

$120K - $145K/yr

Radiation Effects Engineer As a Radiation Effects Engineer, you will be responsible for driving the electrical survivability of our spacecraft by analyzing, designing, and testing robust electronic ...

Radiation Test Engineer

San Francisco, CA ยท On-site

$120K - $145K/yr

Radiation Test Engineer As our Radiation Test Engineer you will be responsible for analyzing and testing candidate electronics for our spacecraft. This position requires hands-on experience ...

Radiation Effects Engineer

Long Beach, CA ยท On-site

$120K - $171K/yr

Vast is looking for a Radiation Effects Engineer , reporting to the Senior Manager, EMI-EMC & Radiation Effects, to support the development of the systems that will be required for the design and ...

Radiation Effects Engineer II

Los Angeles, CA ยท On-site

$99K - $138K/yr

You will actively engage program leadership and engineers to drive intelligent system design, part selection, subcontracts, and analyses. Responsibilities: * Analyze impacts of space radiation on ...

Showing results 21-40

Radiation Engineer information

See California salary details

$80.4K

$116.8K

$158.9K

How much do radiation engineer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for radiation engineer in California is $116,813.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,300.00 and $154,000.00 per year, depending on experience, location, and employer.

What is the difference between Radiation Engineer vs Medical Physicist?

AspectRadiation EngineerMedical Physicist
CredentialsBachelor's or Master's in Engineering, certifications in radiation safetyDoctorate in Medical Physics, board certification (ABMP or ABR)
Work EnvironmentIndustrial, nuclear power plants, research labsHospitals, clinics, cancer treatment centers
Industry UsageDesigning radiation systems, safety protocolsCalibrating equipment, treatment planning

While both roles involve radiation and safety, Radiation Engineers focus on designing and maintaining radiation systems in industrial or research settings, whereas Medical Physicists specialize in radiation therapy and diagnostic imaging in healthcare. The key differences lie in their work environments, required credentials, and specific responsibilities.

What are the main challenges radiation engineers face when working on projects for space applications?

Radiation Engineers working on space-related projects often encounter the challenge of accurately predicting and mitigating the effects of cosmic radiation on spacecraft systems and components. This requires a strong understanding of radiation environments, materials science, and specialized testing protocols. Collaboration with design, testing, and mission assurance teams is essential to ensure that electronic systems can withstand harsh radiation without failure. Additionally, staying updated with evolving standards and simulation tools is key to delivering robust and compliant solutions.

What are the key skills and qualifications needed to thrive as a radiation engineer, and why are they important?

To thrive as a Radiation Engineer, you need a solid background in physics, electrical engineering, or nuclear engineering, often supported by a relevant bachelor's or master's degree. Familiarity with radiation testing equipment, simulation software (such as Geant4 or MCNP), and knowledge of industry standards like MIL-STD-883 are typically required. Strong analytical thinking, problem-solving abilities, and effective teamwork are valuable soft skills for this role. These skills and qualifications are crucial for accurately assessing radiation effects on materials and systems, ensuring safety, compliance, and performance in high-reliability environments.

What is a radiation engineer?

The duties of a radiation engineer are to conduct experiments that test and evaluate radiation effects in a variety of settings. Their responsibilities include providing theoretical analysis based on a test they perform in an experimental environment. Professionals in this career often focus on the performance of systems, equipment, or networks during and after exposure to radiation. While reporting their findings, a radiation engineer may suggest layouts, parts, and designs that meet requirements for operating under realistic levels of radiation.

How do you become a radiation engineer?

To become a radiation engineer, typically a bachelor's degree in nuclear engineering, health physics, or a related field is required. Gaining experience through internships and obtaining certifications such as the Certified Health Physicist credential can enhance job prospects. Strong knowledge of radiation safety, physics, and engineering principles is essential for this role.

What does a radiation engineer do?

A Radiation Engineer is a professional who studies and evaluates the effects of radiation on materials, electronics, and systems, particularly in environments such as space, nuclear facilities, or medical equipment. They design tests, conduct experiments, and develop methods to protect devices and people from harmful radiation. Their work is crucial for ensuring the safety and reliability of technology used in high-radiation environments. Radiation Engineers often collaborate with scientists, engineers, and regulatory agencies to develop guidelines and solutions.
What are the most commonly searched types of Radiation Engineer jobs in California? The most popular types of Radiation Engineer jobs in California are:
What job categories do people searching Radiation Engineer jobs in California look for? The top searched job categories for Radiation Engineer jobs in California are:
What cities in California are hiring for Radiation Engineer jobs? Cities in California with the most Radiation Engineer job openings:
What are popular job titles related to Radiation Engineer jobs in CA? For Radiation Engineer jobs in CA, the most frequently searched job titles are:
Infographic showing various Radiation Engineer job openings in California as of August 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 100% In-person job distribution, with an average salary of $116,813 per year, or $56.2 per hour.

Radiation Test Engineer

Astranis

San Francisco, CA โ€ข On-site

$120K - $145K/yr

Other

Medical, Life, Retirement, PTO

Re-posted 27 days ago


Job description

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts.
Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts.
Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.

Radiation Test Engineer

As our Radiation Test Engineer you will be responsible for analyzing and testing candidate electronics for our spacecraft. This position requires hands-on experience validating parts for radiation environments specific to aerospace.

Role
  • Support the design of fault tolerant electrical systems for operating in a radiation environment
  • Simulate and model the GTO and GEO radiation environments on PCBA designs
  • Coordinate and run radiation testing campaigns to upscreen components
  • Develop fault-tolerant systems & operations into the spacecraft by working closely with the rest of the team
  • Support other electrical design, bringup, and test activities
  • Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team

Requirements
  • Bachelor of Science degree in nuclear engineering, electrical engineering, physics, or equivalent technical field
  • A passion for hardware development, including working in a fast-paced environment and hands-on design and development
  • Experience with electrical design
  • Experience designing and testing for radiation effects
  • Experience in testing analog and digital circuits
  • Experience with fault-tolerant high reliability systems
  • US Citizenship or Green Card

Bonus
  • Experience developing electrical designs in space or other high-radiation environments
  • Experience with the Geostationary radiation environment (TID, SEE, DDD)
  • Experience running tests at radiation labs
  • Experience with designing dosimeter circuits
  • ECAD + MCAD Experience (Altium, Solidworks)


What we offer:
All our positions offer a compensation package that includes equity and robust benefits.

Base pay is just one component of Astranis's total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.

Astranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position. Base Salary $120,000โ€”$145,000 USD U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required
(To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))
Our mission and our products are meant to connect the world and everyone in it, regardless of gender, race, creed, or any other distinction. We believe in a diverse and inclusive workplace, and we encourage all people to join our team and bring their unique perspective to help make us stronger.