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Fluid Engineering Jobs (NOW HIRING)

Relativity Space

Senior Fluid Systems Engineer

Long Beach, CA · On-site

$109K - $150K/yr

Bachelor's degree (Mechanical Engineering or relevant) 4+ years of experience working with fluids systems Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics ...

HX5 LLC

Fluid Systems Engineer

Cleveland, OH · On-site

Fluid Systems Engineer Mechanical Engineer V NASA Glenn Research Center Cleveland, Ohio HX5 is an ... engineering, research and development, and technical services to clients such as NASA and the ...

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How much do fluid engineering jobs pay per year?

As of Jun 8, 2026, the average yearly pay for fluid engineering in the United States is $146,868.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is a Fluid Engineering job?

A Fluid Engineering job involves the study and application of fluid mechanics to design, analyze, and improve systems involving liquids and gases. Fluid engineers work in industries like aerospace, automotive, energy, and manufacturing to optimize fluid flow, heat transfer, and pressure dynamics. They use computational simulations, laboratory testing, and mathematical models to ensure efficiency and safety in various applications, such as pipelines, HVAC systems, and hydraulic machinery.

What are the key skills and qualifications needed to thrive in the Fluid Engineering position, and why are they important?

To thrive in Fluid Engineering, you need a solid background in fluid mechanics, mathematics, and engineering principles, typically supported by a degree in mechanical, chemical, or civil engineering. Familiarity with computational fluid dynamics (CFD) software, CAD tools, and industry standards or certifications such as PE (Professional Engineer) licensure is beneficial. Strong problem-solving skills, attention to detail, and the ability to communicate complex concepts clearly are important soft skills for this role. These skills ensure accurate analysis, effective design solutions, and successful collaboration on engineering projects involving fluid systems.

What types of projects or industries do Fluid Engineers typically work in?

Fluid Engineers are often involved in a wide range of projects across industries such as oil and gas, water treatment, energy, aerospace, and manufacturing. Their daily work may include designing and optimizing pipelines, pumps, HVAC systems, and fluid transport networks, as well as analyzing fluid behavior to improve efficiency and safety. These professionals often collaborate closely with multidisciplinary teams of engineers, project managers, and technicians to deliver practical solutions. This diversity of projects provides opportunities to expand technical skills and achieve career growth in various sectors.

More about Fluid Engineering jobs
What cities are hiring for Fluid Engineering jobs? Cities with the most Fluid Engineering job openings:
What are the most commonly searched types of Fluid Engineering jobs? The most popular types of Fluid Engineering jobs are:
What states have the most Fluid Engineering jobs? States with the most job openings for Fluid Engineering jobs include:
What job categories do people searching Fluid Engineering jobs look for? The top searched job categories for Fluid Engineering jobs are:
Fluid Engineering jobs near you
Infographic showing various Fluid Engineering job openings in the United States as of May 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $146,868 per year, or $70.6 per hour.
Fluid Systems Engineer II

Fluid Systems Engineer II

Relativity Space

Long Beach, CA

Other

Posted 10 days ago

Job description

About the Team:

The Stage Fluids team designs and delivers the 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: 

As a Vehicle Fluid Systems Engineer, you will be responsible for the fluid system architecture and function for a given vehicle fluid subsystem. You will apply expertise in system architecture, systems operations, and fluid thermodynamics applications to guide hardware design, system analysis, manufacturing, validation and operations.

      Own the vehicle fluid subsystem architecture and schematics, including system control scheme, system and component selection and sizing
      Conducting fluid and thermal analyses, including system sizing and characterization using a variety of base analytical methods (1D steady-state, fluid networks, etc.)
      Leading and participating in system and hardware design and manufacturing reviews
      Defining and supporting test objectives and test campaigns to validate system design, system models and overall system performance including supporting integrated vehicle testing and launch

About You:
      Bachelor's degree (Mechanical Engineering or relevant)
      2+ years of experience working with fluids systems
      Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer
      Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis
      Proficiency in Python or a similar programing language for scientific computing and automated test/simulation data analysis

Nice to haves, but not required:
      Experience with launch vehicles and spacecraft

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