Demo

Thermal/Fluids Engineer

HX5, LLC
Brook, OH Full Time
POSTED ON 4/5/2026
AVAILABLE BEFORE 5/10/2026
Other Engineer III

NASA Glenn Research Center

Brook Park, Ohio

HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide.

HX5 is currently seeking a Thermal/Fluids Engineer to join our team in Brook Park, Ohio in support of the GEARS contract at NASA Glenn Research Center.

Essential Duties and Responsibilities:

The selected candidate will provide thermal and fluids engineering support to NASA’s Glenn Research Center (GRC) for hydrogen / oxygen regenerative fuel cells in lunar applications. This includes basic analytical work, experimental design, test stand build-up, and testing for electrochemical, electrical, fluidic, and thermal (including cryogenic) components and sub-systems.

Required Skills:

Strong experience testing fluidic components including assembling, verifying, and operating fluidic systems at temperature ranges from cryogenics through high temperature combustion ( 950 deg C).
  • Must have experience with executing hardware development test plans, data analysis, reporting, and conducting uncertainty analyses.

  • Desired Skills:

    • Familiarity with fuel cell and/or electrolysis hardware at both the stack and system levels preferred. While the immediate relevance is for experience with the PEM chemistry, other electrochemical chemistries are acceptable (e.g. alkaline (KOH or NaOH), Direct Methanol, Molten Carbonate, Phosphoric Acid, or Solid Oxide).
    • Familiarity designing and/or operating hardware for extreme thermal environments or aggressive chemical environments preferred.

    Education/Experience:

    Mechanical or Chemical Engineering degree from an accredited program, with the following education and experience:

    • Bachelor’s degree with 5 to 10 years of experience; at least 8 years is preferred.
    • Master’s degree with 3 to 6 years of experience.
    • Ph.D. with 0 to 3 years of experience.

    Other Position Requirements:

    • Proof of U.S. Citizenship is a requirement for this position.
    • Must be able to complete a U.S. government background investigation.

    HX5 offers a competitive salary and benefits package to include:

    • Relocation Assistance
    • Medical/Dental/Vision Insurance
    • 401(k) plan with Company Match
    • Paid Holidays
    • Paid Time Off
    • Life Insurance
    • Tuition Reimbursement
    • Medical and Dependent Care Flexible Spending Accounts
    • Pet Insurance

    HX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, age, national origin, ancestry, citizenship, disability, or veteran status.

    HX5, LLC is a Drug Free Workplace Employer.

    ACCESSIBILITY NOTICE: If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, please call (850) 362-6551.

    Salary.com Estimation for Thermal/Fluids Engineer in Brook, OH
    $78,401 to $91,556
    If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
    Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

    What is the career path for a Thermal/Fluids Engineer?

    Sign up to receive alerts about other jobs on the Thermal/Fluids Engineer career path by checking the boxes next to the positions that interest you.
    Income Estimation: 
    $91,017 - $111,627
    Income Estimation: 
    $106,299 - $135,354
    Income Estimation: 
    $108,186 - $133,193
    Income Estimation: 
    $85,996 - $102,718
    Income Estimation: 
    $111,859 - $131,446
    Income Estimation: 
    $110,457 - $133,106
    Income Estimation: 
    $105,809 - $128,724
    Income Estimation: 
    $122,763 - $145,698
    Employees: Get a Salary Increase
    View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

    Job openings at HX5, LLC

    • HX5, LLC Houston, TX
    • LabVIEW Software Engineer Engineer II ADV000CJ7 NASA Johnson Space Center Houston, Texas HX5 is an award-winning provider of engineering, research and deve... more
    • 9 Days Ago

    • HX5, LLC Laughlin, TX
    • Product Support Software Principal Product Support Software, Prin Lackland AFB San Antonio, TX HX5 is an award-winning provider of engineering, research an... more
    • 9 Days Ago

    • HX5, LLC Dayton, OH
    • Configuration and Data Manager Configuration DM, Sr Wright Patterson AFB Dayton, OH HX5 is an award-winning provider of engineering, research and developme... more
    • 10 Days Ago

    • HX5, LLC Brook, OH
    • Electrified Aircraft Propulsion Controls Engineer Aerospace Engineer III NASA Glenn Research Center Brook Park, Ohio HX5 is an award-winning provider of en... more
    • 10 Days Ago


    Not the job you're looking for? Here are some other Thermal/Fluids Engineer jobs in the Brook, OH area that may be a better fit.

    • Paratherm - Heat Transfer Fluids Wickliffe, OH
    • Shape the Future with Us . At Lubrizol, we’re transforming the specialty chemicals market through science, sustainability, and a culture of inclusion. As p... more
    • 1 Day Ago

    • Paratherm - Heat Transfer Fluids Wickliffe, OH
    • Shape the Future with Us. At Lubrizol, we’re transforming the speciality chemical industry through science, sustainability, and a culture of inclusion. As ... more
    • 1 Day Ago

    AI Assistant is available now!

    Feel free to start your new journey!