Fluid Systems Engineer

eh2· Corporate General
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📍 San Jose, California, United States💰 USD 105K–151K

About this role

Electric Hydrogen’s mission is to decarbonize our world! Our outstanding people deliver creative decarbonization energy solutions to our customers.

We are seeking a Fluid Systems Engineer to join the Product Engineering team and contribute to the design, development, and optimization of hardware and fluid systems for PEM electrolysis plants. In this role, you will work closely with cross-functional teams to develop next-generation products by solving cost, reliability, and performance challenges. Depending on your experience, you will support or lead fluid systems design activities throughout the product lifecycle, from concept development and requirements definition through production and sustaining engineering.

You will work onsite in San Jose, CA and report to the Director, Product Engineering.

Primary Responsibilities

  • Develop and improve fluid systems hardware by translating plant and customer requirements into engineering specifications
  • Create and maintain engineering documentation, including Piping and Instrumentation Diagrams (P&IDs) and Process Flow Diagrams (PFDs)
  • Perform engineering calculations, process simulations, and sensitivity analyses to support product optimization and requirements management
  • Evaluate and recommend equipment based on technical and commercial requirements
  • Support or lead process safety analyses, including HAZOP and LOPA activities
  • Perform engineering studies including relief device sizing, process simulation, CFD coordination, and heat transfer calculations
  • Develop process documentation, operating philosophies, and engineering narratives
  • Support engineering change management and continuous product improvements throughout the product lifecycle
  • Collaborate with instrumentation, controls, electrical, mechanical, manufacturing, and systems engineering teams to ensure successful product integration
  • Support reliability initiatives including DFMEA, RCA, and RAM analyses
  • Travel up to 10% to suppliers, manufacturing facilities, and customer sites

Qualifications

  • Bachelor's or Master's degree in Chemical Engineering, Mechanical Engineering, or a related engineering discipline
  • 2–5+ years of relevant engineering experience with candidates leveled based on technical expertise, demonstrated ownership, and overall experience
  • Experience designing fluid systems for industrial process equipment or complex engineered products
  • Experience with process design and simulation software such as Aspen Plus or Aspen HYSYS
  • Experience with fluid systems, piping, plumbing, tubing, valves, pumps, heat exchangers, or related process equipment
  • Working knowledge of fluid dynamics, heat transfer, mass transport, reaction chemistry, and mechanics of materials
  • Familiarity with process safety methodologies, including HAZOP and LOPA
  • Knowledge of applicable process industry codes and standards
  • Strong analytical, problem-solving, communication, and cross-functional collaboration skills
  • Experience in one or more of the following industries: hydrogen, energy storage, chemicals, biopharmaceuticals, semiconductors, water treatment, aerospace, or other industrial process industries

#LI-Onsite

Compensation and Benefits | P2-P3

San Jose Zone
$105,000—$150,500 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! 

Frequently Asked Questions

What is the salary for the Fluid Systems Engineer role at eh2?
The listed salary for this Fluid Systems Engineer position at eh2 is USD 105K–151K. This is an full-time role.
Where is the Fluid Systems Engineer position at eh2 located?
This Fluid Systems Engineer role at eh2 is based in San Jose, California, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Fluid Systems Engineer at eh2 belong to?
This Fluid Systems Engineer position is part of the Corporate General department at eh2. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Fluid Systems Engineer position at eh2?
Click the "Apply Now" button on this page. You will be redirected to eh2's official application portal hosted on greenhouse where you can submit your application directly.
When was the Fluid Systems Engineer job at eh2 posted?
This Fluid Systems Engineer position at eh2 was posted on Jul 29, 2026. Apply as soon as possible — early applications are often reviewed first.
Fluid Systems Engineer
eh2 · 💰 USD 105K–151K
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