Radiation Effects - Team Lead

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 Effects Team Lead

As a Radiation Effects – Team Lead, you will play a critical role in ensuring the reliability and resilience of our satellites in space, while leading and growing a high-performing team.

Role:

• Lead and mentor a team of Radiation Effects Engineers, setting technical direction and guiding execution.

• Develop and own Astranis’s long-term strategy for radiation effects analysis, testing, and mitigation.

• Oversee simulation and modeling of space radiation environments in GTO, GEO, and other higher orbits.

• Direct radiation testing campaigns, including component up-screening, characterization, and failure analysis.

• Partner with Electrical, Mechanical, Systems, and Reliability teams to ensure spacecraft-level resilience.

• Establish and improve processes for radiation analysis, documentation, and test execution.

• Stay hands-on with technical work—supporting analysis, running test campaigns, and reviewing designs.

• Represent the team in cross-functional reviews and communicate results, risks, and recommendations to leadership.

• Recruit, onboard, and develop new team members to scale Astranis’s radiation engineering capability.

Requirements:

• Bachelor’s degree in nuclear engineering, electrical engineering, physics, or a related field.

• Proven industry experience in radiation effects on electronics, including TID, SEE, and charging.

• Strong technical expertise in circuit testing, system reliability, and spacecraft design.

• Hands-on experience with modeling, simulation, and radiation test execution.

• Demonstrated leadership experience—managing engineers, mentoring teammates, and guiding projects.

• Excellent communication skills and the ability to align cross-functional stakeholders.

• Must be authorized to work in the U.S. (U.S. citizen or Green Card holder).

Bonus:

• Graduate degree (MS/PhD) in a relevant field.

• Familiarity with ECAD/MCAD tools (e.g., Altium, SolidWorks).

• Prior experience coordinating radiation test campaigns at external facilities.

What we offer:

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

Base pay is a single component of Astranis's total rewards package, which may also include equity in the form of incentive stock options, high quality company-subsidized healthcare, disability and life insurance benefits, flexible PTO, 401(K) retirement, 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

$170,000—$220,000 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.