{"id":938285,"url":"https://alion.io/job/electric-hydrogen-mechanical-engineer-power-systems","title":"Mechanical Engineer, Power Systems","company":{"id":673286,"name":"Electric Hydrogen","domain":"eh2.com","url":"https://alion.io/company/eh2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":70,"open_postings":16,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":128000,"max":173000,"currency":"USD","period":"year","gross":null,"usd_annual":173000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-05-18T17:36:55Z","employer_posted_date":"2026-08-03","last_verified_at":"2026-11-01T18:22:26Z","board_verified":true,"closed_at":null,"days_open":167,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":166},"description":"Electric Hydrogen’s mission is to decarbonize our world! Our outstanding people deliver creative decarbonization energy solutions to our customers.\nWe 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.\nYou will work a hybrid schedule and report to our Director, Power Platform.\nPrimary Responsibilities\nSupport the design and analysis of mechanical aspects of high-power electronic products supporting hydrogen electrolysis systems\nPartner with lead mechanical designers on the layout and integration of power systems, thermal management solutions, and structural designs from prototype through production release\nCreate and release detailed drawings and documentation for parts and assemblies to support manufacturing and production\nPerform detailed mechanical design of power bussing and bus interfaces for high-current DC output systems\nCollaborate with systems optimization and modeling teams to evaluate power system performance and plant cost tradeoffs\nLead compliance efforts to certify products for US and EU markets\nSupport manufacturing, testing, and field deployment activities as needed\nContribute to design for manufacturability, reliability, and serviceability across product development efforts\nQualifications\nBachelor'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\nExperience designing mechanical systems for high-power electrical equipment or power distribution systems\nStrong understanding of thermal management, structural analysis, and mechanical integration principles\nExperience with product development processes and electronics packaging\nProficiency with 3D CAD software and detailed drawing creation\nExperience supporting products from prototype through production release\nStrong communication and cross-functional collaboration skills\nAbility to thrive in a fast-paced, highly collaborative environment\nPreferred Qualifications\nExperience in hydrogen, renewable energy, battery, power conversion, or industrial automation industries\nFamiliarity with finite element analysis (FEA) and thermal simulation tools\nExperience working closely with manufacturing and supply chain teams\nKnowledge of applicable industry standards for power systems and industrial equipment\nCompensation and Benefits | P3\nSan Jose Zone\n$128,000—$173,000 USD\nActual 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.\nBase 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:\nan equity grant\ntime off programs\na $75/month cell phone allowance\na 4% employer 401(k) match\naccess to competitive medical, dental, vision, life insurance, short-term & long-term disability plans\na discretionary bonus\nElectric Hydrogen’s benefits programs are subject to eligibility requirements.\nAbout Electric Hydrogen\nElectric 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.\nElectric 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. 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