Demo

Modeling Engineer

HX5, LLC
Brook, OH Full Time
POSTED ON 5/17/2026
AVAILABLE BEFORE 6/23/2026
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, in support of the GEARS contract at NASA Glenn Research Center, is seeking a Modeling Engineer to support NASA’s Electrical Engineering department to augment the Power and Energy Storage Technologies for Mars team. The candidate will be responsible for developing stack level models for solid oxide fuel cell systems in MATLAB and Simulink. These models will be validated against data produced by testing two solid oxide systems at JSC.

Required Skills:

  • Background in static and dynamic chemical or solid oxide fuel cell stack modeling.
  • The ability to implement equations for chemical reactions, energy balance, and static/dynamic system responses in solid oxide fuel cell stack models.
  • Experience with solid oxide fuel cell power systems utilizing O2, H2, CO, CO2, and CH4. Strong technical writing skills and MATLAB programming.

Other Desired Skills:

  • Familiarity with fuel cell and/or electrolysis hardware at both the stack and system levels preferred.
  • Experience with generating standalone MATLAB executables. Experience integrating/generating MATLAB models into Sinulink.

Education and Experience:

Must have an engineering degree in Systems, Chemical, Mechanical, Electrical, or Aerospace Engineering from an ABET accredited program, with one of the following combinations of education and experience:

  • Ph.D. with zero (0) to four (4) years of experience;
  • Master's degree and four (4) to eight (8) years of experience;
  • Bachelor's degree and eight (8) to fourteen (14) years of experience.

Other Position Requirements:

  • Must be a US Citizen and successfully complete a U.S. government background investigation.
  • Must be able to obtain and maintain the appropriate level of security clearance for the position.

HX5 offers a competitive salary and benefits package to include:

  • Medical/Dental/Vision Insurance
  • 401(k) plan with Company Match
  • Paid Holidays
  • Paid Time Off
  • Parental Leave
  • 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 Modeling Engineer in Brook, OH
$96,250 to $114,960
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