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.