# Senior Radiation Test Engineer **Astranis** - **Location:** San Francisco - **Workplace:** On-site - **Salary:** $160K–$215K - **Clearance:** None required - **Eligibility:** US person or protected individual - **Export control:** ITAR/EAR controlled - **Visa:** Not specified - **Discipline:** Engineering - **Seniority:** Senior - **Posted:** 2026-05-12 [Apply on Astranis](https://job-boards.greenhouse.io/astranis/jobs/4681166006) [View on Outerspace Today](https://terminal.outerspacetoday.com /jobs/senior-radiation-test-engineer-astranis-4681166006) --- 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. #### **Senior Radiation Test Engineer**** ** As our Senior Radiation Test Engineer you will be responsible for characterization of radiation environments for our missions and testing analysis for our spacecraft. This position requires hands-on experience validating parts for radiation environments specific to aerospace. #### **Role** - Design fault tolerant electrical systems for operating in a radiation environment - Simulate and model the GTO and GEO radiation environments - Coordinate and run radiation testing campaigns to upscreen components - Work with the structures team to determine the proper shielding levels across the spacecraft - Integrate these systems 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 the Geostationary radiation environment (TID, SEE, DDD) - Experience with designing for and testing for radiation effects - Experience in testing analog and digital circuits - Experience with high reliability systems - US Citizenship or Green Card #### **Bonus** - Electromechanical design experience - 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$160,000—$215,000 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. --- _Aggregated from the employer's public careers feed by Outerspace Today. Eligibility and pay fields are extracted for self-selection only; verify on the employer posting._