1

Thermo Fluids Engineer Jobs (NOW HIRING)

$99K - $138K/yr

Generate and run thermo-fluids models of cryogenic propellant * Work with a cross functional team ... B.S. in Mechanical Engineering, Aerospace Engineering, or related field * 3+ years of thermal ...

$121K - $169K/yr

Generate and run thermo-fluids models of cryogenic propellant * Work with a cross functional team ... B.S. in Mechanical Engineering, Aerospace Engineering, or related field * 5+ years of thermal ...

Vehicle Design Engineer II

Boston, MA · On-site

$82K - $112K/yr

Fundamental understanding of mechanical engineering principles (statics, dynamics, materials, thermo/fluids, etc...) * Available for up to 10% travel for test activities * Ability to obtain a DoD ...

Senior Thermal Analyst

Denver, CO · On-site

$155K - $180K/yr

We are looking for engineers who enjoy building systems from concept through commissioning and ... Strong fundamentals in classical heat transfer and thermo-fluids, including hand calculations and ...

Showing results 21-40

Thermo Fluids Engineer information

See salary details

$37K

$87.2K

$136.5K

How much do thermo fluids engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for thermo fluids engineer in the United States is $87,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,500.00 and $97,500.00 per year, depending on experience, location, and employer.

What is a thermo fluids engineer?

Thermo Fluids Engineers are professionals who specialize in the study and application of heat transfer, fluid mechanics, and thermodynamics. They design, analyze, and optimize systems involving the movement of liquids and gases and the transfer of energy, such as heating and cooling systems, engines, and turbines. Their work is essential in industries like aerospace, automotive, energy, and manufacturing, where efficient temperature control and fluid flow are critical. Thermo Fluids Engineers use advanced simulation tools and laboratory testing to solve complex engineering problems related to thermal and fluid processes.

How does a thermo fluids engineer typically collaborate with other engineering disciplines during a project?

Thermo Fluids Engineers frequently work alongside mechanical, electrical, and chemical engineers to design and optimize systems involving heat transfer and fluid flow, such as HVAC systems, power plants, or automotive engines. Collaboration often involves sharing simulation data, coordinating on system integration, and participating in cross-functional meetings to ensure all components align with project requirements. Effective teamwork and communication are essential, as solutions developed by Thermo Fluids Engineers often impact the performance and safety of the entire system.

What are the key skills and qualifications needed to thrive as a thermo fluids engineer, and why are they important?

To thrive as a Thermo Fluids Engineer, you need a strong background in thermodynamics, fluid mechanics, and heat transfer, usually supported by a degree in mechanical or chemical engineering. Proficiency with computational fluid dynamics (CFD) software, simulation tools like ANSYS or MATLAB, and relevant industry certifications is often required. Excellent problem-solving abilities, attention to detail, and effective teamwork and communication are crucial soft skills in this role. These competencies are essential for accurately analyzing complex systems, optimizing designs, and ensuring project success in industries such as energy, automotive, or aerospace.

What is the difference between Thermo Fluids Engineer vs Mechanical Engineer?

AspectThermo Fluids EngineerMechanical Engineer
Required CredentialsBachelor's or Master's in Mechanical, Aerospace, or Mechanical Engineering; specialization in thermodynamics and fluid mechanicsBachelor's or Master's in Mechanical Engineering; broad engineering fundamentals
Work EnvironmentResearch labs, aerospace, energy, HVAC, and fluid systems industriesManufacturing, automotive, aerospace, product design, and general engineering settings
Industry UsageFocus on thermal systems, fluid flow, heat transfer, and energy efficiencyDesign, analysis, and manufacturing of mechanical systems across various sectors

Thermo Fluids Engineers specialize in thermal systems and fluid mechanics, often working on energy and heat transfer projects, while Mechanical Engineers have a broader scope, covering various mechanical systems and product design. Both roles require similar educational backgrounds but differ in focus and industry applications.

What cities are hiring for Thermo Fluids Engineer jobs?

Cities with the most Thermo Fluids Engineer job openings:

What states have the most Thermo Fluids Engineer jobs?

States with the most job openings for Thermo Fluids Engineer jobs include:

What are popular job titles related to Thermo Fluids Engineer jobs?

For Thermo Fluids Engineer jobs, the most frequently searched job titles are:

Infographic showing various Thermo Fluids Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $87,220 per year, or $41.9 per hour.

Fluids Analyst III - Fluids & Propulsion - Crew Lunar Lander

Seattle, WA • On-site

Blue Origin
Space Research Administration • 1 - 5K employees

$121K - $169K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


Key responsibilities

  • Generate and run thermo-fluids models of cryogenic propellant.

  • Work with a cross functional team to advance the state of the art of in space cryogenic fluid management in propulsion systems.

  • Support development of the Thermodynamic Vent System (TVS) throughout its complete lifecycle from preliminary design to on console operation.


Blue Origin rating

8.8

Company rating: 8.8 out of 10

Based on 92 frontline employees who took The Breakroom Quiz


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 is part of the Lunar Permanence business unit, which develops Blue Origin's Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface.

We are looking for a Lead Fluids Analyst to support development of the Thermodynamic Vent System (TVS) on the MK2 Crewed Lander in support of NASA's Artemis & HLS programs. The TVS is responsible for thermal management of the Main Propulsion System (MPS) cryogenic propellants (LH2 & LOX).

The selected candidate will follow TVS through the complete development lifecycle from preliminary design through build, test, integration and on console operation

You will work with NASA and our National Team Partners as part of the Human Landing System (HLS) program. You will play a key role in developing the MK2 Crewed Lunar Lander that will return humans to the Moon and extend human presence permanently beyond the bounds of Earth.

Responsibilities:

  • Generate and run thermo-fluids models of cryogenic propellant
  • Work with a cross functional team to advance the state of the art of in space cryogenic fluid management in propulsion systems

Qualifications:

  • B.S. in Mechanical Engineering, Aerospace Engineering, or related field
  • 5+ years of thermal/fluids analysis experience
  • Proficiency using common CFD tools such as Thermal Desktop or Sinda/Fluint
  • Understanding of Fluid Mechanics, Heat Transfer, and Thermodynamics
  • Hands-on experience with first-order and Excel-level fluids calculations

Desired:

  • Expertise in Thermal Desktop
  • Experience with LH2 and/or LOX
  • Experience supporting propulsion system ground testing
  • Experience with zero boiloff solutions
  • CFD expertise (ANSYS Fluent, FLOW3D)
  • Experience with cryogenic, multi-phase, or gaseous fluid systems
  • Spacecraft, space vehicle or launch vehicle fluid systems experience

Base Pay Range for:

CA applicants is $121,023.00 - $169,432.20 CO applicants is $110,938.00 - $155,312.85 WA applicants is $121,023.00 - $169,432.20

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, 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 atEEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.



What Blue Origin employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Blue Origin logo

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