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Thermal Fluid Systems Professional Engineer Jobs

Develop engineering calculations, models, and simulations related to heat transfer, fluid flow, thermal performance, and system operation. * Analyze system performance data and provide ...

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How much do thermal fluid systems professional engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for thermal fluid systems professional engineer in the United States is $104,528.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,000.00 and $129,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Thermal Fluid Systems Professional Engineer job openings in the United States as of June 2026, with employment types broken down into 66% Full Time, and 34% Part Time. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $104,528 per year, or $50.3 per hour.

RESEARCH ENGINEER - SR. RESEARCH ENGINEER - Thermal Fluid Systems Engineer

San Antonio, TX • On-site

Southwest Research Institute
Scientific Research and Development Services • 1 - 5K employees

Other

Posted 28 days ago


Southwest Research Institute rating

8.9

Company rating: 8.9 out of 10

Based on 22 frontline employees who took The Breakroom Quiz


Job description

RESEARCH ENGINEER - SR. RESEARCH ENGINEER - Thermal Fluid Systems Engineer

18-01638

Who We Are:

We develop mechanical solutions for multiple industries. From power utilities to the oil and gas industry, we are proud to improve efficiency and productivity through expertise in engineering dynamics, structures, materials, and fluids systems.

Objectives of this Role:
  • Enable modeling and control of complex thermal fluid systems comprising control valves, piping, machinery, heat exchangers, and other various fluid/gas components in oil and gas and power generation applications.
  • Work with a team to incorporate advanced control and monitoring strategies into test facilities and piping systems that are delivered to the client.
  • Enable fast and efficient commissioning of complex power generation systems and components from kW to MW scale.
  • Assist to diagnose and troubleshoot vendor piping systems and control issues.
  • Write reports and present technical data to clients and industry peers.
Daily and Monthly Responsibilities:
  • Develop models for fluid thermal systems using 1D finite volume of finite element principles. This may include the use of off the shelf software such as Hysys, NPSS, or fluent.
  • Develop and validate simulations for control strategies for fluid thermal systems using 1D finite volume of finite element principles. This may include the use of off the shelf software such as Hysys, NPSS, or fluent.
  • Develop improved or optimized piping system designs/improvements for existing or planned systems based off of model feedback while incorporating applicable design codes such as B31.3, B31.1, ASME BPVC, and Hazardous classification zones.
  • Run cycle analysis and optimize cycles for refrigeration, power generation, and refinery application.
  • Design and implement process control PID's into systems to control single and multiple variables.
Requirements:
  • Requires a Bachelors, Masters or a PhD in Mechanical Engineering, Electrical Engineering, Chemical Engineering, Control Systems Engineering, Computer Engineering or directly related engineering degree field with relevant work experience. Graduate degree may be considered in lieu of some work experience.
  • 2+ years: Thermal fluid system modeling and control background.
  • Graduate experience in developing model and control algorithms for thermal fluid piping systems is preferred.
  • Off the shelf software such as Hysys, NPSS, or fluent or similar or interest in related software.
  • A valid/clear driver's license is required.
Special Requirements:

Must be a U.S. person (i.e., U.S. citizen, non-U.S. citizen national, lawful permanent resident, asylee, or refugee) due to ITAR work in section.

An Equal Employment Opportunity Employer: race, color, religion, sex, national origin, disability, and veteran status.

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