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Fluids Engineer Jobs in Seattle, WA (NOW HIRING)

Principal Fluids Engineer

Seattle, WA · On-site

$190K - $266K/yr

Minimum of BS degree in Mechanical or Aerospace Engineering * 15 or more years of experience in the fields of fluids or thermodynamic analysis * Demonstrated expertise with one or more fluid modeling ...

Minimum of BS degree in Mechanical or Aerospace Engineering * 15 or more years of experience in the fields of fluids or thermodynamic analysis * Demonstrated expertise with one or more fluid modeling ...

As part of a hardworking team of engineers, you will conduct thermal and fluids analysis to define the performance and operations for various spaceflight systems, define hardware requirements and ...

Sr Thermal & Fluids Engineer

Seattle, WA · On-site

$145K - $203K/yr

As part of a hardworking team of engineers, you will conduct thermal and fluids analysis to define the performance and operations for various spaceflight systems, define hardware requirements and ...

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 ...

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 ...

We are seeking a Level 4 Fluids Engineer to join our team. This position involves developing, testing, and implementing fluid systems for our aerospace projects. The ideal candidate will have ...

Fluids Test Engineer II

Seattle, WA · On-site

$99K - $138K/yr

Bachelor's Degree in engineering * 2+ years of experience in the design, development, or operation of test facilities or similar experimental research facilities * Knowledge of a variety of fluids ...

Fluids Test Engineer II

Seattle, WA · On-site

$99K - $138K/yr

Bachelor's Degree in engineering * 2+ years of experience in the design, development, or operation of test facilities or similar experimental research facilities * Knowledge of a variety of fluids ...

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Showing results 1-20

Fluids Engineer information

See Seattle, WA salary details

$27.3K

$122.9K

$195.9K

How much do fluids engineer jobs pay per year?

As of Jun 9, 2026, the average yearly pay for fluids engineer in Seattle, WA is $122,926.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,100.00 and $152,000.00 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.
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:
Infographic showing various Fluids Engineer job openings in Seattle, WA as of June 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $122,926 per year, or $59.1 per hour.
Principal Fluids Engineer

Principal Fluids Engineer

Blue Origin, LLC

Seattle, WA • On-site

$190K - $266K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Blue Origin rating

8.8

Company rating: 8.8 out of 10

Based on 90 frontline employees who took The Breakroom Quiz

7th of 60 rated aerospace companies


Job description

Application close date:
Applications will be accepted on an ongoing basis until the requisition is closed.
At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!
This role supports the development and operations of New Glenn, a single-configuration, heavy-lift orbital launch vehicle capable of routinely carrying people and payloads to low-Earth orbit, geostationary transfer orbit, cislunar, and beyond. Its first stage is fully reusable, and the vehicle was designed from the beginning to be human-capable.
As part of a small, hard-working, and accomplished team of experts, you will support all aspects of fluid systems design for the New Glenn launch vehicle. You will share in the team's impact on the systems from early conceptual design and configuration through flight operations and sustaining engineering. The responsibilities of this position will be analysis intensive, supporting development and verification of component and vehicle-level fluid models. You will help develop fluid and thermal loads derived from CFD, first principles, literature, and/or experiment. You will be responsible for configuration development, detailed design, and verification activities. You will own the documentation and maintenance of analysis inputs, models, and results in reports and data books.
We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!
Qualifications:
  • Minimum of BS degree in Mechanical or Aerospace Engineering
  • 15 or more years of experience in the fields of fluids or thermodynamic analysis
  • Demonstrated expertise with one or more fluid modeling tools is required: i.e. SINDA/FLUINT, Thermal Desktop
  • Knowledge of MATLAB or similar scripting tools
  • Experience analyzing booster and upper stage of rocket systems
  • Experience reviewing and critiquing models and results developed by junior engineers

Desired:
  • 20 or more years of experience and an MS or PhD degree
  • Experience with FloCAD
  • Experience analyzing cryogenic fluid systems
  • Experience with commercial CFD for fluid systems
  • Knowledge in the use of 3D CAD tools (CREO is preferred)

Compensation Range for:
CO applicants is $190,458.00 - $266,641.20WA applicants is $194,121.00 - $271,768.35
Other site ranges may differ
Culture Statement
Don't meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.
Export Control Regulations
Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
Background Check
  • Required for all positions: Blue's Standard Background Check
  • Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation
  • Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.
  • Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical

Benefits
  • Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.
  • Stock Options for all regular employees (working at least 20 hours/week)
  • Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.
  • Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.

Equal Employment Opportunity
Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here.
Affirmative Action and Disability Accommodation
Applicants wishing to receive information on Blue Origin's Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at EEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.

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About Blue Origin

Sourced by ZipRecruiter

Blue Origin is a private aerospace manufacturing and suborbital spaceflight services company based in Kent, Washington, USA. Established in 2000 by Amazon founder Jeff Bezos, the company operates in the cutting-edge aerospace industry aiming to build a future where millions of people can live and work in space. They develop a variety of technologies, with a focus on reusable rocket systems which significantly reduce the cost of space travel. Blue Origin's core mission is to make this vision come to life by incrementally building on its successes with an ultimate vision of dramatic cost reduction and increased reliance on reusable spacecraft.

Industry

Space research administration

Company size

1,001 - 5,000 Employees

Headquarters location

Kent, WA, US

Year founded

2000