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Fluid Systems Design Engineer Aerospace Jobs (NOW HIRING)

Electric Hydrogen

Fluid Systems Engineer

San Jose, CA · On-site

Depending on your experience, you will support or lead fluid systems design activities throughout ... aerospace, or other industrial process industries #LI-Onsite Compensation and Benefits | P2-P3

Firefly Aerospace

Design of ground fluid systems includes developing P&IDs, tube & pipe sizing calculations for ... Bachelors' degree in mechanical engineering, aerospace engineering, or related engineering ...

Firefly Aerospace

WI · On-site

... fluid systems. Working closely with engineering, manufacturing, and integration teams to iterate ... Proficiency in CAD, P&ID creation, and familiarity with ASME Y14.5 and aerospace standards.

Front Door Defense

$56K - $76K/yr

Fluid Mechanical Design Engineer III - Lunar Permanence Lead the design and integration of ... aerospace propulsion and cryogenic fluid systems, including tubing or piping architecture

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How much do fluid systems design engineer aerospace jobs pay per year?

As of Sep 12, 2026, the average yearly pay for fluid systems design engineer aerospace in the United States is $118,589.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,000.00 and $137,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Fluid Systems Design Engineer Aerospace job openings in the United States as of September 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $118,589 per year, or $57 per hour.

Fluid Systems Engineer

San Jose, CA • On-site

Electric Hydrogen
Clean Energy Equipment Manufacturing • 51 - 200 employees
Learn more about Electric Hydrogenexternal

Full-time

Posted 9 days ago

Job description

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

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