Mechanical Engineer, Power Systems

Posted 5/18/2026 · last confirmed live 8/26/2026

Electric Hydrogen ’s mission is to make molecules to decarbonize our world! Our outstanding people are our most important asset and will allow us to deliver hydrogen from renewable electrolysis for heavy industry, at prices below fossil fuels.  We are seeking a Mechanical Engineer, Power Systems to join our growing engineering team. In this role, you will support the design and development of high-power electronic products used in hydrogen electrolysis systems. You will work cross-functionally with electrical, systems, thermal, and manufacturing teams to develop robust mechanical solutions from prototype through production. You will work a hybrid schedule and report to our Director, Power Platform. Primary Responsibilities Support the design and analysis of mechanical aspects of high-power electronic products supporting hydrogen electrolysis systems Partner with lead mechanical designers on the layout and integration of power systems, thermal management solutions, and structural designs from prototype through production release Create and release detailed drawings and documentation for parts and assemblies to support manufacturing and production Perform detailed mechanical design of power bussing and bus interfaces for high-current DC output systems Collaborate with systems optimization and modeling teams to evaluate power system performance and plant cost tradeoffs Lead compliance efforts to certify products for US and EU markets Support manufacturing, testing, and field deployment activities as needed Contribute to design for manufacturability, reliability, and serviceability across product development efforts Qualifications Bachelor's degree in Mechanical Engineering or a related field with 5+ years of relevant industry experience, or a PhD with 2+ years of relevant experience Experience designing mechanical systems for high-power electrical equipment or power distribution systems Strong understanding of thermal management, structural analysis, and mechanical integration principles Experience with product development processes and electronics packaging Proficiency with 3D CAD software and detailed drawing creation Experience supporting products from prototype through production release Strong communication and cross-functional collaboration skills Ability to thrive in a fast-paced, highly collaborative environment Preferred Qualifications Experience in hydrogen, renewable energy, battery, power conversion, or industrial automation industries Familiarity with finite element analysis (FEA) and thermal simulation tools Experience working closely with manufacturing and supply chain teams Knowledge of applicable industry standards for power systems and industrial equipment Compensation and Benefits | P3 #LI-Hybrid San Jose Zone $128,000 — $173,000 USD Actual base salary offered to the hired applicant will be determined based on their work location, level, qualifications, job-related skills, as well as relevant education or training and experience. Base salary is just one part of Electric Hydrogen’s total rewards package. We feel strongly that our team should not have to worry about having quality healthcare. In addition to the base salary offered, the hired applicant may receive: an equity grant time off programs a $75/month cell phone allowance a 4% employer 401(k) match access to competitive medical, dental, vision, life insurance, short-term & long-term disability plans a discretionary bonus Electric Hydrogen’s benefits programs are subject to eligibility requirements. About Electric Hydrogen Electric Hydrogen is a team of the world's experts in scaling technologies for the post-carbon world, with a proven record in transforming the grid and transportation sectors. Backed by some of the world's top venture capital firms, we design and manufacture electrolytic hydrogen systems matched to renewable power sources to create green hydrogen by splitting water. We are building a cost-effective and transformative path between renewable energy and multiple large industrial sectors. Abundant and low-cost renewable energy sources will power the world, and Electric Hydrogen technology will use this energy to decarbonize industry through sustainable materials. We were founded in 2020 and are based in California and Massachusetts. Electric Hydrogen is proud to be an equal opportunity employer. We are dedicated to building a diverse, inclusive, and authentic workplace for all to belong. We are aware that people from historically underrepresented groups are less likely to apply if they don't meet 100% of the job requirements. We are actively working on efforts to change this social norm. If you are excited about this role,  we encourage you to apply ! 

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