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 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 systems. This position requires hands-on experience in circuit design, component validation, and mitigating radiation effects for harsh aerospace environments. Role • Support the electrical architecture and design of fault-tolerant systems optimized for radiation environments • Actively participate in core electrical design, schematic capture, PCB layout reviews, hardware bring-up, and laboratory testing • Coordinate and execute electrical radiation testing campaigns to upscreen COTS and automotive-grade components • Develop fault-tolerant systems & operations into the spacecraft by working closely with the rest of the team • Assist in recruiting and hiring additional teammates to our rapidly-growing team Requirements • Bachelor of Science degree in Electrical Engineering (EE), or a related technical field (Physics, Nuclear Engineering) with a focus on electronics • A passion for hardware development, including hands-on electrical circuit design, prototyping, and troubleshooting in a fast-paced environment • Strong foundation in electrical design principles, including component selection, power distribution, and signal integrity • Direct experience analyzing, designing, and testing electronic circuits for radiation effects • Experience in testing and debugging complex analog, digital, and mixed-signal circuits using standard lab equipment (oscilloscopes, spectrum analyzers, etc.) • Experience engineering fault-tolerant, high-reliability electrical hardware architectures • US Citizenship or Green Card Bonus • Experience testing electrical designs for space or high-radiation environments • Advanced understanding of semiconductor physics and radiation interactions • Experience configuring electrical test setups and running measurement campaigns at radiation test facilities • Proficiency with ECAD tools for schematic capture and PCB layout (e.g., Altium Designer) and familiarity with MCAD (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 $120,000-$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.