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Fluids Engineer Jobs in California (NOW HIRING)

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Fluids Engineer information

See California salary details

$23.7K

$106.5K

$169.7K

How much do fluids engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for fluids engineer in California is $106,543.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,400.00 and $131,800.00 per year, depending on experience, location, and employer.

What is the difference between Fluids Engineer vs Mechanical Engineer?

AspectFluids EngineerMechanical Engineer
Required CredentialsBachelor's in Mechanical, Aerospace, or Civil Engineering; specialization in fluid dynamicsBachelor's in Mechanical Engineering; broad engineering fundamentals
Work EnvironmentResearch labs, aerospace, energy, and fluid systems industriesManufacturing, automotive, aerospace, and product design
Industry UsageFocus on fluid behavior, flow analysis, and hydraulicsDesign and analyze mechanical systems, including thermal and structural components

Fluids Engineers specialize in fluid dynamics, working primarily on fluid systems and flow analysis, often within aerospace, energy, or research sectors. Mechanical Engineers have a broader scope, covering various mechanical systems, including thermal, structural, and fluid components. Both roles require strong engineering fundamentals, but Fluids Engineers focus more on fluid-specific applications.

What are the key skills and qualifications needed to thrive as a Fluids Engineer, and why are they important?

To thrive as a Fluids Engineer, you need a solid background in fluid mechanics, thermodynamics, and mathematics, typically supported by a degree in mechanical, chemical, or petroleum engineering. Familiarity with simulation software like ANSYS Fluent or COMSOL, as well as relevant industry certifications, is often required. Strong analytical thinking, problem-solving abilities, and effective communication skills help Fluids Engineers excel in collaborative and technically challenging environments. These skills are vital for accurately modeling fluid behavior, ensuring system safety, and delivering efficient engineering solutions.

What are some common challenges faced by Fluids Engineers in cross-disciplinary project teams?

Fluids Engineers often work alongside mechanical, civil, and chemical engineers, which can present challenges in aligning diverse technical perspectives and priorities. Effective communication is essential, as each discipline may use different terminology or have unique design constraints. Additionally, balancing project timelines and integrating fluid dynamics solutions with broader system requirements can require adaptability and proactive problem-solving. Building strong collaborative relationships and staying open to feedback are key strategies for overcoming these challenges.

What are Fluids Engineers?

Fluids Engineers are professionals who specialize in the study and application of fluid mechanics, which involves the behavior of liquids and gases. They design, analyze, and optimize systems where fluids play a critical role, such as pipelines, pumps, turbines, and hydraulic systems. Fluids Engineers work in various industries, including oil and gas, aerospace, automotive, and manufacturing, to ensure efficient and safe transport and control of fluids. Their work often involves simulation, modeling, and testing to solve complex engineering challenges.
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What job categories do people searching Fluids Engineer jobs in California look for? The top searched job categories for Fluids Engineer jobs in California are:
What cities in California are hiring for Fluids Engineer jobs? Cities in California with the most Fluids Engineer job openings:
Fluids Engineer jobs near you
Senior Mechanical Engineer, Vehicle Fluids

Senior Mechanical Engineer, Vehicle Fluids

Relativity Space

Long Beach, CA

$109K - $145K/yr

Other

Re-posted 12 days ago

Job description

About the Team: 

The Stage Fluids team is responsible for the design and delivery of propellant, pressurant, pneumatics, and other fluid systems that turn structures into functioning rockets! The team has full ownership across design, production, test, and flight, maintaining a holistic view of Terran R, focused not on isolated parts but integrated functionality. Working on-site at the factory means you're never far from the hardware, enabling rapid iteration and tight feedback loops across design and manufacturing. You won't just be handed requirements: you'll be expected to ask the right questions, collaborate with partners across the company, and ultimately find the best solutions for Terran R.

About the Role:

In this role, you will be responsible for the hardware design and implementation of that hardware into vehicle fluid systems, ensuring a reliable and efficient operation of our Terran R launch vehicle. Your primary tasks will be focused on:

  • Design and analysis of clean sheet of pressure components for launch vehicle fluid and propulsion systems
  • Detailed fluid, thermal, and structural analysis of piece parts and assemblies
  • Development and qualification test planning and execution of internally developed components
  • Conducting trade studies to produce architectures and designs that satisfy system requirements

About You:

  • Bachelor's degree (Mechanical Engineering or relevant)
  • 5+ years of experience working with fluids system component design
  • Direct experience applying engineering fundamentals in thermodynamics, structures, fluid dynamics, and heat transfer
  • Experience with CFD and FEA tools (ANSYS)
  • Project experience with all the following: 
    • Experience with a commercial CAD package (NX, CREO, Solidworks)
    • Experience designing fluid system pressure components (fittings, seals, valves, regulators, etc.) and qualifying them for aerospace applications
    • Experience with FEA (ie. ANSYS, FEMAP) tools to analyze component structural margins

Nice to haves but not required:  

  • Experience with internal flow CFD to assess component performance

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