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Thermal Hydraulic Test Engineer Jobs (NOW HIRING)

BWXT

Thermal Hydraulic Core Design Engineer

Lynchburg, VA · On-site

$86K - $136K/yr

As our Thermal Hydraulic Core Design Engineer, you will contribute to a variety of projects in a ... test, previous employment, and reference verifications. BWXT is committed to the concept of Equal ...

BWXT

Thermal Hydraulic Core Design Engineer

Lynchburg, VA · On-site

$86K - $136K/yr

As our Thermal Hydraulic Core Design Engineer, you will contribute to a variety of projects in a ... test, previous employment, and reference verifications. BWXT is committed to the concept of Equal ...

BWX Technologies, Inc.

$86K - $136K/yr

As our Thermal Hydraulic Core Design Engineer, you will contribute to a variety of projects in a ... test, previous employment, and reference verifications. BWXT is committed to the concept of Equal ...

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Thermal Hydraulic Test Engineer information

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$49K

$92.7K

$134.5K

How much do thermal hydraulic test engineer jobs pay per year?

As of Sep 10, 2026, the average yearly pay for thermal hydraulic test engineer in the United States is $92,722.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $106,500.00 per year, depending on experience, location, and employer.

What does a thermal hydraulic test engineer do?

A Thermal Hydraulic Test Engineer is responsible for designing, conducting, and analyzing experiments related to the flow of heat and fluids in engineering systems, often within the energy or nuclear sectors. They develop test plans, set up instrumentation, and collect data to ensure systems such as reactors, heat exchangers, or cooling loops operate safely and efficiently. Their work is crucial for validating models, improving system designs, and ensuring regulatory compliance. The role often involves collaboration with other engineers and technical staff to interpret results and implement improvements.

What are the key skills and qualifications needed to thrive as a thermal hydraulic test engineer?

To thrive as a Thermal Hydraulic Test Engineer, you need a solid background in mechanical or nuclear engineering, with expertise in thermodynamics, fluid mechanics, and heat transfer, often supported by a relevant engineering degree. Familiarity with simulation software like ANSYS Fluent or RELAP5, data acquisition systems, and safety protocols is typically required. Strong analytical thinking, attention to detail, and effective teamwork and communication skills help you excel in this role. These competencies are crucial for designing, conducting, and analyzing thermal hydraulic experiments that ensure system safety and performance in high-stakes engineering environments.

What are some typical challenges faced by thermal hydraulic test engineers when designing and conducting experiments?

Thermal Hydraulic Test Engineers often encounter challenges such as ensuring the accuracy and repeatability of experimental data, managing complex instrumentation setups, and maintaining strict safety protocols when dealing with high-pressure systems or extreme temperatures. They must also adapt to unexpected test results and troubleshoot equipment issues in real-time. Close collaboration with multidisciplinary teams—including mechanical designers, safety specialists, and data analysts—is essential to address these challenges and achieve reliable outcomes.

What is the difference between Thermal Hydraulic Test Engineer vs Mechanical Test Engineer?

AspectThermal Hydraulic Test EngineerMechanical Test Engineer
CredentialsEngineering degree, certifications in thermal/hydraulic systemsEngineering degree, certifications in mechanical systems
Work EnvironmentLaboratories, testing facilities, nuclear or energy industriesManufacturing plants, testing labs, automotive or aerospace sectors
Industry UsagePower plants, nuclear facilities, energy sectorAutomotive, aerospace, manufacturing industries

The main difference between a Thermal Hydraulic Test Engineer and a Mechanical Test Engineer lies in their focus areas. The Thermal Hydraulic Test Engineer specializes in testing thermal and hydraulic systems, often within energy or nuclear industries, while the Mechanical Test Engineer focuses on mechanical components across various sectors. Both roles require engineering backgrounds and relevant certifications, but their work environments and industry applications differ significantly.

What are popular job titles related to Thermal Hydraulic Test Engineer jobs?

For Thermal Hydraulic Test Engineer jobs, the most frequently searched job titles are:

Infographic showing various Thermal Hydraulic Test Engineer job openings in the United States as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $92,722 per year, or $44.6 per hour.

Senior Engineer, Plant Thermal Hydraulics Validations

Bellevue, WA • Remote

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

$56 - $95/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 17 days ago

Job description

Job Title: Senior Engineer, Plant Thermal Hydraulics Validations Location: Bellevue, WA Type: Contract Compensation: $56.00-$95.00 Contractor Work Model: Remote – offsite

Overview System One is seeking a Senior Engineer, Plant Thermal Hydraulics Validations to support our client on a remote basis.

Responsibilities

  • Support verification, validation, and uncertainty quantification activities for plant scale thermal-hydraulic analysis tools.
  • Perform system-level steady-state and transient thermal-hydraulic simulations to evaluate model behavior, accuracy, and limitations.
  • Interpret and apply experimental data from separate effects and integral test facilities to support model validation and closure of technical gaps.
  • Define validation needs, develop test requirements, and collaborate closely with test engineering teams to ensure alignment between model gaps and experimental programs.
  • Document V&V methodologies, model assumptions, validation results, and uncertainty analyses for internal design processes and regulatory submittals.
  • Collaborate with multidisciplinary teams to support plant design, safety analysis, and licensing workflows.
  • Apply and improve SQA and NQA1 modeling quality practices and ensure traceability and configuration control of analysis inputs, models, and results.

Requirements

  • Degree in Mechanical, Nuclear, Chemical Engineering, or similar field, with a minimum 6+ years of experience for level 10; advanced-degree equivalencies apply.
  • Experience should include system-level thermal hydraulic analysis and code assessment for nuclear or complex energy systems.
  • Demonstrated experience in code assessment, including model-to-test comparison, validation metric development, and uncertainty quantification.
  • Hands on experience working with experimental thermal hydraulic data, including data analysis, uncertainty evaluation, and comparison against system level predictions.
  • Experience with system analysis tools (e.g., RELAP5 3D, TRACE, SAS, or equivalent) applied to plant scale transient and steady-state evaluations.
  • Strong foundation in thermal-fluid and reactor system behavior considerations relevant to advanced reactor designs.
  • Experience with SQA and NQA 1 quality assurance practices for modeling workflows is highly preferred.
  • Strong analytical thinking, clear technical communication, and the ability to manage multiple validation tasks in parallel.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#LI-LM1 Ref: #161-Managed Staffing Charlotte

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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