Senior Radiation Effects Engineer
Astranis
<div class="content-intro"><p>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.<br><br>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.</p></div><h4><strong>Senior Radiation Effects Engineer</strong><strong><br></strong></h4> <p>As a Senior Radiation Effects Engineer, you will support the radiation hardness assurance (RHA) strategy. You will be responsible for defining the environmental requirements, leading circuit-level mitigation designs, and overseeing advanced testing to ensure our electrical systems survive the harshest orbits. This senior position requires technical leadership, hands-on expertise in circuit design, and a proven track record of validating high-reliability electrical components for space environments.</p> <h4><strong>Role</strong></h4> <ul> <li>Architect and design fault-tolerant, radiation-hardened electrical systems and avionics architectures capable of operating reliably in high-radiation environments</li> <li>Lead simulation and modeling to evaluate GTO and GEO radiation effects</li> <li>Establish methodologies and drive radiation testing campaigns to upscreen and qualify commercial off-the-shelf (COTS) and automotive-grade electrical components</li> <li>Collaborate cross-functionally with mechanical and structural teams to run 3D ray-tracing simulations (e.g., FASTRAD) and optimize shielding levels versus mass trade-offs for sensitive electrical assemblies</li> <li>Provide technical mentorship to junior engineers and support core electrical engineering activities, including schematic capture, PCB layout reviews, and hardware bring-up</li> <li>Support the engineering team in recruiting efforts, technical interviewing, and mentoring additional teammates</li> </ul> <p><strong>Requirements</strong></p> <ul> <li>Bachelor of Science degree in Electrical Engineering (EE) or equivalent technical field (with an emphasis on electronics and semiconductor physics)</li> <li>Extensive professional experience in hands-on electrical hardware design, development, and troubleshooting in a fast-paced space or high-reliability environment</li> <li>Deep technical understanding of the Geostationary radiation environment and its specific degradation mechanisms on electronic components (**TID, SEE, DDD**)</li> <li>Expert-level experience in testing, debugging, and analyzing complex analog, digital, and mixed-signal circuits using standard lab equipment</li> <li>Demonstrated experience leading technical projects and managing the risk profile of high-reliability electrical hardware systems</li> <li>US Citizenship or Green Card</li> </ul> <h4><strong>Bonus</strong></h4> <ul> <li>Experience delivering flight-qualified, mission-critical electrical designs for space radiation environments</li> <li>Background in electromagnetic design and its interaction with radiation environments</l