Head of Reliability Engineering — Hardware Systems (Hybrid)

Mainspring Energy is seeking a Reliability Engineering Leader in Menlo Park to own the reliability strategy, build a high-performance team, and drive lifecycle testing and design decisions across Engineering, R&D, and Manufacturing. You will shape MTBF targets, CAPA programs, and compliance considerations for UL/NFPA/IEC. The role combines hands-on engineering depth with leadership as the company scales its high-volume, fuel-flexible power solutions.