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Thermo Fluids Engineer Jobs in California (NOW HIRING)

Senior COPV Engineer

Long Beach, CA · On-site

$109K - $150K/yr

The Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid ... Working with other thermo-fluid engineers on vehicle gas system design and operation * Establishing ...

... GNC, fluids analysis, dynamics/loads engineers and design teams. * Mentor design and analysis ... Experience with thermo fluid analysis tools (CFD, 1-D system modeling, etc.) * Knowledge of ...

Senior COPV Engineer

Long Beach, CA · On-site

$132K - $198K/yr

The Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid ... Working with other thermo-fluid engineers on vehicle gas system design and operation * Establishing ...

Senior COPV Engineer

Long Beach, CA · On-site

$132K - $198K/yr

The Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid ... Working with other thermo-fluid engineers on vehicle gas system design and operation * Establishing ...

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Thermo Fluids Engineer information

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 in California are hiring for Thermo Fluids Engineer jobs?

Cities in California with the most Thermo Fluids Engineer job openings:

Infographic showing various Thermo Fluids Engineer job openings in California as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

MK1 Fluids Analyst III - Lunar Permanence

Los Angeles, CA • On-site

Blue Origin
Space Research Administration • 1 - 5K employees

$121K - $169K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago


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.

This role is part of the Lunar Permanence business unit, which develops Blue Origin's multiple Blue Moon lander product lines. To further Blue Origin's mission of having millions of people living and working in space, we are building sustainable infrastructure for our transport of cargo from Earth to the lunarsurface.

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. To this end, our first MK1 Lunar Lander christened "Endurance" will be the largest and most complex vehicle ever to land on the moon. Our second MK1 will continue humanity's exploration of the Lunar south pole by delivering NASA's VIPER rover.

As part of a hardworking team of diverse analysts, you will conduct thermal and fluids analysis to define the performance and operations within the MK1 Fluids subsystem and resolve technical challenges. The selected candidate will work within the MK1 Fluids team supporting analysis efforts through the complete development lifecycle from design through build, test, and integration. Typical tasks include capturing system inputs, validating models based on vehicle and component test data, constructing and vetting analysis models, performing system level trade studies, documenting results, and presenting results to stakeholders.

Responsibilities include but are not limited to:

  • Collect analysis inputs from stakeholders and responsible engineers
  • Develop new or modify existing thermo-fluid analysis models to represent vehicle configuration and behavior
  • Post process analysis results to draw engineering conclusions from output data
  • Author and publish analysis reports in Windchill to support engineering decision making
  • Generate and present design review and trade study content to subsystem, vehicle and business unit partners and customers
  • Anchoring thermo-fluid analysis models to component and vehicle test data

Minimum Qualifications

  • Minimum of a B.S. degree in mechanical or aerospace engineering
  • 4-5 years of relevant thermal/fluids analysis experience
  • Deep understanding of fluid mechanics, heat transfer, and Thermodynamics fundamentals
  • Experience with thermo-fluids 0D-1D modeling using Thermal Desktop Sinda/Fluint
  • Experience with cryogenic, two-phase, and/or gaseous fluid systems
  • Proven track record validating thermo-fluid models, from concept through test validation
  • Experience anchoring fluid analysis models to test data
  • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Preferred Qualifications

  • M.S. degree in mechanical or aerospace engineering
  • 8 years of relevant aerospace experience
  • Prior spacecraft fluid systems experience
  • Hydrogen and oxygen systems background
  • Process automation scripting skills (VBA, MATLAB, Python, FORTRAN)
  • Experience utilizing Jira and Windchill
  • Experience with modeling propulsion, gaseous, and cryogenic fluids management
  • Experience modeling fluids and propulsion components including solenoid valves, directional valves, manifolds, regulators, pumps, thrusters, feedlines, pressure vessels, and instrumentation

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.



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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