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Fluids Engineer Jobs in Seattle, WA (NOW HIRING)

Helion Energy

Mechanical Engineer, Fluids

Everett, WA · On-site

$120K - $182K/yr

Own and understand designs related to fluids, thermal, and structural subsystems - and improve their requirements. * Learn from historical engineering approaches, design novel hardware, and test your ...

Blue Origin

Mk1 Fluids Systems Engineer II

Seattle, WA · On-site

$99K - $138K/yr

As part of a hardworking team of specialists, technicians, andengineers you willapply yoursystems engineering, fluids, and propulsion expertise within the MK1 Fluids Systems Engineering team. You ...

Blue Origin

Fluids Design Engineer III

Seattle, WA · On-site

$110K - $155K/yr

The ideal candidate will have experience in fluids and thermal systems, engineering principles, and the ability to work in a collaborative environment. This position will directly impact the history ...

Socket.dev

Fluids Analyst

Kent, WA · On-site

$130 - $190/hr

Fluids Analyst COWBOY SPACE CORP. Cowboy Space Corp. is building the infrastructure to power and ... Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or ...

New

Blue Origin, LLC

Fluids Design Engineer III

Seattle, WA · On-site

$110K - $155K/yr

The ideal candidate will have experience in fluids and thermal systems, engineering principles, and the ability to work in a collaborative environment. This position will directly impact the history ...

Aetherflux

Fluids Analyst

Seattle, WA · On-site

Fluids Analyst • COWBOY SPACE CORP. Cowboy Space Corp. is building the infrastructure to power ... Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or ...

Cowboy Space Corp.

Fluids Analyst

Seattle, WA · On-site

$130 - $190/hr

Fluids Analyst COWBOY SPACE CORP. Cowboy Space Corp. is building the infrastructure to power and ... Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or ...

Blue Origin LLC

Fluids Design Engineer III

Seattle, WA · On-site

$121 - $169/hr

The ideal candidate will have experience in fluids and thermal systems, engineering principles, and the ability to work in a collaborative environment. This position will directly impact the history ...

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All JobsFluids Engineer JobsFluids Engineer Jobs in Seattle, WA

Fluids Engineer information

See Seattle, WA salary details

$27.3K

$122.9K

$195.7K

How much do fluids engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for fluids engineer in Seattle, WA is $122,857.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $151,900.00 per year, depending on experience, location, and employer.

What is a fluids engineer?

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.

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 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 popular job titles related to Fluids Engineer jobs in Seattle, WA?

For Fluids Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Fluids Engineer jobs in Seattle, WA look for?

The top searched job categories for Fluids Engineer jobs in Seattle, WA are:

Fluids Engineer jobs near you
Infographic showing various Fluids Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $122,857 per year, or $59.1 per hour.

Mechanical Engineer, Fluids

Helion Energy

Everett, WA • On-site

$120K - $182K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago

Job description

About Helion
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.
Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.
This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths - values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.
What You Will Be Doing:
You will own hardware designs for systems related to fluid systems on Helion's fusion generators. You will solve multidisciplinary engineering problems that are necessary for deploying fusion energy to the world and act as a culture driver on a growing team. This role is onsite at our headquarters in Everett, WA.
You Will:
  • Own and understand designs related to fluids, thermal, and structural subsystems - and improve their requirements.
  • Learn from historical engineering approaches, design novel hardware, and test your solutions
  • Design fusion hardware within 3D CAD software (e.g. NX)
  • Perform analysis with in-house and out-of-house tools (e.g. ANSYS Fluent) and hold design reviews to gather feedback and iterate to a fully functioning system
  • Learn from experts to expand your engineering skillset and domain knowledge
  • Work hands-on alongside experienced technicians to implement your hardware designs
  • Troubleshoot hardware issues as they arise on integrated fusion generators

Required Skills:
  • Bachelor's degree in engineering
  • 3+ years of professional experience delivering on full-scope engineering projects (including schedule ownership)
  • Experience applying engineering first-principles and method-based thinking to challenging problems
  • Hands-on exposure to a variety of engineering disciplines (fluids, mechanical, thermal)
  • Advanced experience with CAD software (e.g. NX, Solidworks)

#LI-Onsite, #LI-AM1
Benefits
Our total compensation package includes benefits, including but not limited to:
  • Medical, Dental, and Vision plans for employees and their families
  • 31 Days of PTO (21 vacation days and 10 sick days)
  • 10 Paid holidays, plus company-wide winter break
  • Up to 5% employer 401(k) match
  • Short term disability, long term disability, and life insurance
  • Paid parental leave and support (up to 16 weeks)
  • Annual wellness stipend

Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.

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