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Fluid Engineer Jobs (NOW HIRING)

Vast

Fluid Systems Engineer

Long Beach, CA · On-site

$162K - $230K/yr

Vast is seeking a Fluids Systems Engineer reporting to the Manager, Fluid Systems Engineering to help develop the critical systems that make long-duration human spaceflight possible. In this role ...

Reaxiomatic

Staff Fluid Systems Engineer

San Diego, CA · On-site

Role Overview The Staff Fluid Systems Engineer is responsible for the architecture and delivery of a complete fluid system on the company's first product. This role owns the subsystem from initial ...

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MORI Associates

Fluid Systems Design Engineer

Huntsville, AL · Remote

$65 - $85/hr

Position Overview We are seeking a Mid-Level Design Engineer with high proficiency in CREO to support fluid line routing and production CAD activities on cutting-edge aerospace programs. In this role ...

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Relativity Space

Fluid Systems Engineer II

Long Beach, CA · On-site

$104K - $156K/yr

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 ...

Relativity Space

Fluid Systems Engineer II

Long Beach, CA · On-site

$104K - $156K/yr

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 ...

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Vast

Fluid Systems Engineer

Long Beach, CA · On-site

$162K - $230K/yr

Vast is seeking a Fluids Systems Engineer reporting to the Manager, Fluid Systems Engineering to help develop the critical systems that make long-duration human spaceflight possible. In this role ...

Relativity Space

Senior Fluid Systems Engineer

Long Beach, CA · On-site

$132K - $198K/yr

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 ...

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Stratolaunch

Fluid System Design Engineer

Mojave, CA · On-site

To help achieve these efforts, Stratolaunch is seeking a level II, Sr-, or Staff-level Fluid System Design Engineer to support design, integration, testing, and maintenance of Talon-A hypersonic ...

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Fluid Engineer information

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$24K

$108K

$172K

How much do fluid engineer jobs pay per year?

As of Jul 2, 2026, the average yearly pay for fluid engineer in the United States is $107,956.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $133,500.00 per year, depending on experience, location, and employer.

What are some common challenges Fluid Engineers face when working on multidisciplinary teams?

Fluid Engineers often collaborate with mechanical, electrical, and civil engineers to design and optimize fluid systems. A common challenge is ensuring effective communication across disciplines, as each team may use different technical jargon or have unique project priorities. Balancing the needs of various stakeholders while maintaining system performance and safety can require negotiation and flexibility. Building strong relationships and proactively sharing information helps overcome these challenges and leads to successful project outcomes.

What is the difference between Fluid Engineer vs Mechanical Engineer?

AspectFluid EngineerMechanical Engineer
Required CredentialsBachelor's in Mechanical, Civil, or Chemical Engineering; often certifications in fluid dynamicsBachelor's in Mechanical Engineering; may include certifications in thermodynamics or CAD
Work EnvironmentIndustrial plants, pipelines, fluid systems, research labsManufacturing, design firms, product development, HVAC systems
Industry UsageOil & gas, water treatment, aerospace, energyAutomotive, aerospace, manufacturing, consumer products

Fluid Engineers focus on designing and analyzing fluid systems like pipelines and pumps, often working in industries like oil, water, and energy. Mechanical Engineers have a broader scope, working on machinery, thermal systems, and product design across various sectors. While both roles require strong engineering fundamentals, Fluid Engineers specialize in fluid dynamics and systems involving liquids and gases.

What does a Fluid Engineer do?

A Fluid Engineer specializes in the study and management of fluids, such as liquids and gases, within various systems. Their work often involves designing, analyzing, and optimizing equipment and processes that involve fluid dynamics, like pipelines, pumps, and ventilation systems. They use principles of physics and mathematics to solve problems related to fluid flow, pressure, and temperature. Fluid Engineers are essential in industries like oil and gas, aerospace, automotive, and environmental engineering.

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

To thrive as a Fluid Engineer, you need a strong background in fluid mechanics, thermodynamics, and engineering principles, typically supported by a degree in mechanical, chemical, or civil engineering. Familiarity with computational fluid dynamics (CFD) software, simulation tools, and relevant industry certifications is essential. Strong problem-solving abilities, attention to detail, and effective communication skills help set candidates apart in this field. These competencies ensure accurate analysis, innovative solutions, and successful project outcomes in complex fluid systems.
More about Fluid Engineer jobs
What cities are hiring for Fluid Engineer jobs? Cities with the most Fluid Engineer job openings:
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Fluid Engineer jobs near you
Infographic showing various Fluid Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $107,956 per year, or $51.9 per hour.
Senior Fluid Systems Engineer

Senior Fluid Systems Engineer

Relativity Space

Long Beach, CA

$109K - $150K/yr

Other

Posted 17 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)
      4+ 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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