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Fluids Engineer Jobs (NOW HIRING)

M2X Energy Inc

Mechanical/Fluids Engineer

Rockledge, FL

$80K - $120K/yr

Role Overview   This Engineer position will play a critical part in supporting the design, development, and manufacturing process for M2X. This role involves a deep understanding of mechanical and ...

Blue Origin, LLC

Lunar Fluids Engineer II

Seattle, WA · On-site

$99K - $138K/yr

We are looking for a pump fluids engineer for our Lunar Lander in support of NASA's Artemis mission. This role will support the development of pumps for various water, coolant, and propellant systems.

Blue Origin

Lunar Fluids Engineer II

Denver, CO · On-site

$99K - $138K/yr

We are looking for a pump fluids engineer for our Lunar Lander in support of NASA's Artemis mission. This role will support the development of pumps for various water, coolant, and propellant systems.

Blue Origin

Fluids Engineer II

Seattle, WA · On-site

$90K - $127K/yr

As part of a small, passionate and accomplished team of engineers and analysts, you will support all aspects of thermal and fluid system design for various New Glenn spaceflight systems. You will ...

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Blue Origin

Lunar Fluids Engineer II

Los Angeles, CA · On-site

$99K - $138K/yr

We are looking for a pump fluids engineer for our Lunar Lander in support of NASA's Artemis mission. This role will support the development of pumps for various water, coolant, and propellant systems.

Relativity Space

Test Fluids Engineer II

Long Beach, CA

$104K - $156K/yr

This centralized approach provides engineers and technicians with exposure to the entire product ... As a system owner, you will design, analyze, and operate automated fluids systems. Teamwork and ...

Relativity Space

Test Fluids Engineer II

Long Beach, CA · On-site

$104K - $156K/yr

This centralized approach provides engineers and technicians with exposure to the entire product ... As a system owner, you will design, analyze, and operate automated fluids systems. Teamwork and ...

Blue Origin

Lunar Fluids Engineer II

Seattle, WA · On-site

$99K - $138K/yr

We are looking for a pump fluids engineer for our Lunar Lander in support of NASA's Artemis mission. This role will support the development of pumps for various water, coolant, and propellant systems.

Blue Origin

Thermal & Fluids Engineer III

Seattle, WA · On-site

$110K - $155K/yr

As part of a small, passionate and accomplished team of engineers and analysts, you will support all aspects of thermal and fluid system design for various New Glenn spaceflight systems. You will ...

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Fluids Engineer information

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How much do fluids engineer jobs pay per year?

As of Jul 10, 2026, the average yearly pay for fluids 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 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.
More about Fluids Engineer jobs
What cities are hiring for Fluids Engineer jobs? Cities with the most Fluids Engineer job openings:
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Fluids Engineer jobs near you
Infographic showing various Fluids Engineer job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $107,956 per year, or $51.9 per hour.
Test Fluids Engineer II

Test Fluids Engineer II

Relativity Space

Long Beach, CA • On-site

Other

Re-posted 22 days ago

Job description

About the Team: 

The Factory Test team designs, builds, and operates the infrastructure needed to test nearly every part of Terran R right here at our headquarters in Long Beach, CA. This centralized approach provides engineers and technicians with exposure to the entire product lifecycle across a wide range of part sizes and complexities. The scope and scale are significant, with test stands capable of handling millions of pounds of force. Team members lead multiple projects in parallel, avoiding silos and gaining broad technical experience without needing a background in aerospace. With high-impact campaigns ahead, now is the time to join. You won't just execute, but you'll help shape and scale the test infrastructure required to meet the demands of a rapidly growing launch program.

About the Role:

  • As a Test Systems Engineer, you will own 1 or more test systems or test campaigns supporting development of Terran R components at our facility in Long Beach, CA. As a system owner, you will design, analyze, and operate automated fluids systems. Teamwork and communication skills are critical, as you will work cross-departmentally to ensure your systems meet the test requirements of the component designer. Examples of your tasks may include:
  • Designing test systems including their mechanical, fluid, and electrical components
  • Commissioning new test assets and systems
  • Completing, presenting, or reviewing fault tolerance analysis
  • Planning and executing test campaigns

About You:

  • Bachelor's degree in Mechanical Engineering, Mechatronics Engineering, Chemical Engineering, Process Engineering, or similar
  • Knowledge of fluid and thermodynamic first principles
  • Demonstrated experience designing systems to engineering requirements
  • Demonstrated working knowledge of systems operations
  • Ability to concisely communicate technical topics to audiences of many different backgrounds

Nice to haves but not required:  

  • Experience writing sequences or other software
  • Familiarity with cryogenics
  • Understanding of structural design principles
  • Delivery of systems compliant with ASME B31.3 & BPVC
  • Willing to work at heights, in confined spaces, in a dirty environment, and away from your desk
  • No previous aerospace experience is required for this position

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