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Fluids Engineer Jobs (NOW HIRING)

Fermilab

Thermal-Fluids Mechanical Engineer

Batavia, NY

$88K - $116K/yr

What your day-to-day as a Thermal Fluids Mechanical Engineer at Fermilab will look like: * Utilize fundamental mechanical engineering concepts and principles to complete assignments and develop ...

Fermilab

Thermal-Fluids Mechanical Engineer

Batavia, IL · On-site

$88K - $116K/yr

What your day-to-day as a Thermal Fluids Mechanical Engineer at Fermilab will look like: * Utilize fundamental mechanical engineering concepts and principles to complete assignments and develop ...

Blue Origin

Thermal & Fluids Engineer III

Denver, CO · 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 ...

Blue Origin, LLC

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 ...

General Atomics

Engineer IV

Englewood, CO · On-site

$98K - $171K/yr

The Senior Spacecraft Thermodynamics/Fluids Engineer will support the development of satellite systems with the responsibility of developing technical solutions for the long-term objectives of the ...

Blue Origin

Senior Fluids Design Engineer

Seattle, WA

$145K - $203K/yr

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 ...

Blue Origin, LLC

Senior Fluids Design Engineer

Seattle, WA · On-site

$145K - $203K/yr

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 ...

Blue Origin

Thermal/Fluids Engineer III - ZBO

Denver, CO · On-site

$130K - $182K/yr

Your role will be to collaborate with other ZBO/Lunar team engineers and technicians in the design, development, manufacturing, testing, and troubleshooting of these cryocoolers and components ...

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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:
What states have the most Fluids Engineer jobs? States with the most job openings for Fluids Engineer jobs include:
What job categories do people searching Fluids Engineer jobs look for? The top searched job categories for Fluids Engineer jobs are:
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.
Thermal-Fluids Mechanical Engineer

Thermal-Fluids Mechanical Engineer

Fermilab

Batavia, NY

$88K - $116K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago

Job description

The expected hiring range for this position is:

$88,800.00-$116,900.00.

Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs.

This position is not eligible for referral bonus program and sponsorship assistance.
This position is eligible for relocation assistance.
About the Role:
The Mechanical Support Department of the Accelerator Division within Fermilab is seeking a Mechanical Thermal Fluids Engineer. Under general directions, this individual will be responsible for planning, researching, and developing large/ major engineering projects. They will lead and contribute to areas such as design, procurement, manufacture, installation, testing, and initial operation of thermal systems in compliance with all applicable local, state, and federal regulations, requirements, and standards, and all Department of Energy (DOE) orders. Responsibilities will also include the estimation of manpower, work scheduling, coordinating and directing or managing technicians and other engineers as assigned. Will review progress and evaluate results.What your day-to-day as a Thermal Fluids Mechanical Engineer at Fermilab will look like:
  • Utilize fundamental mechanical engineering concepts and principles to complete assignments and develop familiarization with the Laboratory's method of project engineering, from the design stage through review, procurement, fabrication, installation, test, and operation.
  • Perform mechanical design, analysis, specification, and construction of fluid cooling piping systems that support the operation of the accelerator complex, including the temperature control of beamline components such as magnets, collimators, RF cavities, beam instrumentation, high-powered targets, kickers, and associated beam components.
  • Participate in and lead efforts related to thermal-fluid system design, piping system fluid flow analysis, and heat transfer analysis.
  • Learn the operations of existing accelerator fluids systems and provide operations engineering support by troubleshooting system issues and designing upgrades to existing systems to improve their reliability.
  • Participate in the design of compressible and incompressible thermal fluids systems to support the accelerator.
  • Write fabrication specifications that involve welding, brazing, bonding, and soldering techniques with materials such as aluminum, stainless steels, copper, brass, PVC, CPVC, PVDF etc.
  • Work in a team environment and under the supervision of a senior engineer.
  • Be responsible for directing the activities of drafters, designers, technicians, and skilled trades on their projects.
  • Occasionally direct the activities of co-op engineering students and interns on their projects.
  • Communicate with outside vendors, contractors, and fabricators verbally and through written specifications and engineering drawings.
  • Abide by and be responsible for performing all duties in accordance with all environmental, health and safety regulations and practices pertinent to this position.
Skills and Attributes for Success:
  • Bachelor's in an applicable Engineering discipline from an ABET accredited institution with 4+ years of engineering experience, or a Master's or PhD in an applicable Engineering discipline from an ABET accredited institution with 2+ years of engineering experience.

Applicable Knowledge, Skills and Abilities Required:
  • Demonstrated ability to communicate expectations clearly using verbal and written practices with customers / stakeholders, and with team members.
  • Demonstrated ability to work effectively under the requirements of schedules and shifting priorities.
  • Demonstrated ability to perform fluid mechanics, thermodynamics, heat transfer, piping network calculations, and engineering mechanics calculations including statics, stress, strain, and deflection.
  • Basic understanding of electrical engineering concepts such as current, voltages, resistance, frequencies, and speed requirements.
  • Demonstrated ability to create and read mechanical drawings, including piping and instrumentation diagrams (P&ID) and process piping flow schematics.
  • Demonstrated ability in performing mass and energy balance calculation on various hydraulic and heat transfer components.
  • Demonstrated ability in performing heat transfer calculations to size heat exchangers.
  • Demonstrated knowledge of machine shop practices and techniques.
  • Demonstrated knowledge of piping flexibility analysis is desirable.
  • Must have strong computing skills including preparing and documenting engineering calculations, creating 3D models and 2D drawings using CAD software data presentation, and project management activities (cost estimates, schedules).
  • Familiarity of CAD software for the creation of piping fluid flow network systems is a plus.
  • Demonstrated ability to creatively solve engineering problems and troubleshoot operational issues.
  • Knowledge of welding and brazing practices (e.g., TIG, MIG and torch brazing) as related to manufacturing and fabrication of piping is desirable.
  • Knowledge of materials, metallurgy, and radiation damage of materials is desirable.
  • Knowledge of codes and standards such as ASME, AISC, CGI, API and ANSI/ASME pressure vessel and piping codes is desirable.
  • Use of geometric dimensioning and tolerancing on drawings per ASME Y14.5 is desirable.
  • Skills or experience in AFT Fathom, AFT Arrow, and ANSYS Workbench are desirable.
  • Skills or experience in AutoCAD Plant are desirable.

Work Arrangement:
Please note that the described work arrangement is subject to change based on business needs and is not guaranteed to be final.

  • Onsite: This is an onsite role, and the candidate must be able to work from our Batavia office.

Benefits/Perks:

Fermilab offers a competitive and comprehensive benefits program, including:

  • Medical, Dental, Vision and Flexible Spending Accounts

  • Paid time off

  • Life insurance

  • Short and Long-term disability insurance

  • Retirement benefits

  • Onsite day care

Why Fermilab:
Fermilab is America's premier laboratory for particle physics and accelerator research, funded by the U.S. Department of Energy. We support discovery science experiments in Illinois and locations around the world, including deep underground mines in South Dakota and Canada, mountaintops in Arizona and Chile, CERN in Europe and the South Pole.

Pre-Employment Screening:


Drug-Free Workplace & Pre-Employment Screening

Fermilab is dedicated to fostering a safe, productive and drug-free environment. An offer of employment is contingent upon the successful completion of a background check and drug screening.

HSPD-12

In accordance with Homeland Security Presidential Directive 12 (HSPD-12) new employees are required to obtain and maintain a HSPD-12 Personal Identity Verification (PIV) Credential. To obtain this credential, new employees must successfully complete and pass a federal background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.

Foreign Government Sponsored Activities

Fermilab employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. Such individuals will be asked to disclose any participation for review by Fermilab's Office of General Counsel.

REAL-ID Requirement for access to Fermilab Campus
Fermilab requires all members of the public to produce a REAL-ID, or equivalent, to access the Fermilab Campus for interviews or career events. A list of acceptable forms of ID can be found here: https://get-connected.fnal.gov/wp-content/uploads/2021/09/REALID-Documents.pdf. If a candidate is selected for an interview but does not possess any of the equivalent documents, we may schedule a virtual interview.

Equal Opportunity Statement

Fermilab is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.

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