Electrical Engineer jobs in California

Astranis

Full-time · San Francisco, CA · $175,000 – $240,000

This role designs and builds custom software-defined radio hardware for Astranis satellites, focusing on high-speed digital interfaces, data converters, and PCB layout. It suits experienced electrical engineers with a strong foundation in RF signal chains and hands-on hardware development who want to work on advanced satellite communications systems.

Listed on Astranis’s careers site · Apply there ↗

Shield AI

Internship · San Diego, CA · $40 – $56 / hour

This paid co-op spans multiple months during the 2027 academic year, offering hands-on experience in hardware development for autonomous aircraft at a defense-tech company. It suits rising 2027 graduates looking to work alongside experienced engineers on real-world projects in a mentorship-focused environment.

Listed on Shield AI’s careers site · Apply there ↗

Astranis

Full-time · San Francisco, CA · $160,000 – $215,000

Lead a power electronics engineering team at a satellite communications company, responsible for designing and building power systems for spacecraft in high orbits. This role suits experienced hardware engineers with team leadership experience who want to work on cutting-edge space technology at a well-funded, fast-growing company.

Listed on Astranis’s careers site · Apply there ↗

Shield AI

Full-time · San Diego, CA · $210,000 – $310,000

Shield AI seeks a Principal Power Electronics Engineer to design and oversee the power systems for their next-generation X-BAT autonomous aircraft, from architecture through production. This role suits an experienced engineer who excels in cross-functional collaboration and wants to push the boundaries of aircraft power system innovation.

Listed on Shield AI’s careers site · Apply there ↗

Relativity Space

Long Beach, CA · $124,000 – $186,000

Design and build data acquisition and control systems for rocket test infrastructure at a commercial spaceflight company. This role suits engineers who want hands-on hardware experience across motion control, power distribution, and instrumentation in a fast-paced, collaborative environment.

Listed on Relativity Space’s careers site · Apply there ↗

Astranis

Full-time · San Francisco, CA · $120,000 – $145,000

This role involves designing and validating radiation-hardened electrical systems for satellites operating in harsh space environments. It suits engineers with hands-on circuit design experience who want to work on mission-critical aerospace hardware at a well-funded company.

Listed on Astranis’s careers site · Apply there ↗

Shield AI

Full-time · San Diego, CA · $81,456 – $122,184

Shield AI seeks an entry-level power electronics engineer to own a project central to the X-BAT aircraft's power architecture, working under mentorship from experienced power and electrical engineers. This role suits a recent graduate or early-career engineer ready to take ownership of meaningful work on cutting-edge autonomous aviation systems.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · San Diego, CA · $81,456 – $122,184

Shield AI seeks an entry-level electrical engineer to own a project on the critical path of their X-BAT aircraft's avionics development, working directly with senior engineers and cross-functional teams. This role suits someone early in their career who values first-principles engineering and is ready to take ownership of meaningful work on defense technology.

Listed on Shield AI’s careers site · Apply there ↗

Shield AI

Full-time · San Diego, CA · $91,660 – $137,490

Shield AI seeks a power electronics engineer to design and validate power systems for their next-generation autonomous aircraft, XBAT. This role suits someone with solid power systems fundamentals who wants to own projects end-to-end in a fast-moving defense-tech environment.

Listed on Shield AI’s careers site · Apply there ↗