Mechanical Engineer, Power Systems
Electric Hydrogen
San Jose, CA · $128k–$173k a year · Posted May 18, 2026
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November 2026
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Rankings about engineering jobs
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- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
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Pay compared with the market
This listing pays about $150,500 a year. Across 114 open mechanical engineer listings that state pay, the middle half runs $108,000 to $153,500 and the median is $132,500. That is inside the middle half of those listings, 14% above the median.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Electric Hydrogen’s mission is to decarbonize our world! Our outstanding people deliver creative decarbonization energy solutions to our customers.
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 !