Radiation Effects Engineer Intern (Fall 2026)

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.

Role:

• Evaluate and electrically test fault-tolerant electrical systems operating in a radiation environment
• Assist in creating electrical test plans, developing test fixtures, and documenting test activities and results. Practice efficient issue diagnosis and draft clear documentation for review by the team
• Support radiation testing campaigns to up-screen components for TID and SEE, focusing on electrical parametric characterization before, during, and after exposure
• Work in a cross-discipline manner across teams to inform their decisions with regards to radiation considerations
• Support test development and early-stage activities, which include breadboarding electrical circuits, automated test setup verification, and basic cable harness fabrication

Requirements:

• Currently pursuing a B.S. in Electrical Engineering, Computer Engineering, or a related engineering field
• A passion for hardware development, including working in a fast-paced environment and hands-on electrical testing and troubleshooting
• Strong proficiency with essential electronics lab equipment, including the standard use of oscilloscopes, multimeters, power supplies, and source meter units
• Experience with Altium Designer (or other PCB design software) for schematic capture and board layout
• Demonstrated ability to personally design, build, and rigorously test electrical hardware from scratch
• US Citizenship or Green Card
• Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria

Bonus:

• Familiarity with the space radiation environment and effects on semiconductor devices
• Experience with SPICE-based simulators (LTSpice, PSPICE, ADS, etc.) to simulate circuit behavior and faults
• Comfortable with soldering, rework, and building specialized test harnesses
• Familiarity with fundamental electronics concepts and components (integrated circuits, PCBAs, sensors) and how to benchmark their performance
• Experience with radiation transport software (FastRAD, Novice, MCNPX, etc.)