Astranis

Senior Radiation Test Engineer

Astranis

San Francisco$160k – $160kPosted Aug 5, 2026

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.

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.