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Thermal Hydraulic Design 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 collaborative team environment, performing thermal analysis of advanced core designs that include a ...

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 collaborative team environment, performing thermal analysis of advanced core designs that include a ...

BWX Technologies, Inc.

$86K - $136K/yr

As our Thermal Hydraulic Core Design Engineer, you will contribute to a variety of projects in a collaborative team environment, performing thermal analysis of advanced core designs that include a ...

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 collaborative team environment, performing thermal analysis of advanced core designs that include a ...

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Thermal Hydraulic Design Engineer information

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$57K

$94.3K

$116.5K

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

As of Sep 10, 2026, the average yearly pay for thermal hydraulic design engineer in the United States is $94,322.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $107,500.00 per year, depending on experience, location, and employer.

What is a thermal hydraulic design engineer?

Thermal Hydraulic Design Engineers are professionals who specialize in the analysis and design of systems that involve the flow of fluids and the transfer of heat. They commonly work in industries such as nuclear power, energy, and manufacturing, ensuring that equipment and processes operate safely and efficiently under varying thermal and hydraulic conditions. Their work involves using advanced simulation tools to model fluid dynamics and heat transfer, optimizing designs for performance and safety. These engineers also collaborate closely with other engineering disciplines to solve complex thermal and fluid-related challenges.

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

To thrive as a Thermal Hydraulic Design Engineer, you need a strong background in mechanical or nuclear engineering, with expertise in thermodynamics, fluid mechanics, and heat transfer, often supported by a relevant engineering degree. Proficiency with simulation software such as ANSYS Fluent, RELAP5, or TRACE, as well as familiarity with CAD tools and industry standards, is typically required. Analytical thinking, problem-solving, and effective communication are vital soft skills for interpreting complex data and collaborating with multidisciplinary teams. These skills and qualities are essential to ensure the safe, efficient, and innovative design of thermal hydraulic systems in energy and industrial applications.

What are some typical challenges a thermal hydraulic design engineer faces when working on new reactor designs?

Thermal Hydraulic Design Engineers often face the challenge of ensuring that their designs meet strict safety and regulatory standards while optimizing for efficiency and cost. Balancing complex thermal and fluid dynamics calculations with real-world constraints, such as material limitations and space requirements, is common. Collaboration with multidisciplinary teams—such as mechanical, structural, and safety engineers—is essential to address integration issues and validate thermal performance. Staying updated on evolving industry codes and simulation tools is also crucial for success in this role.

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

AspectThermal Hydraulic Design EngineerMechanical Engineer
Required CredentialsBachelor's or Master's in Mechanical, Nuclear, or Mechanical Engineering; relevant certificationsBachelor's or Master's in Mechanical Engineering; professional licensure often preferred
Work EnvironmentDesigning thermal and fluid systems for power plants, reactors, or HVAC systemsDesigning, analyzing, and testing mechanical systems across various industries
Industry UsagePower generation, nuclear, aerospace, HVAC

While both roles involve engineering principles, a Thermal Hydraulic Design Engineer specializes in thermal-fluid systems, often within energy and nuclear sectors, whereas a Mechanical Engineer has a broader scope across multiple industries. The roles share similar credentials but differ in focus and application.

What does a thermal hydraulic design engineer do?

A thermal hydraulic design engineer develops and analyzes systems that manage heat transfer and fluid flow in nuclear, aerospace, or energy industries. They use simulation tools and adhere to safety standards to optimize system performance and ensure safety. The role often requires knowledge of thermodynamics, fluid mechanics, and relevant codes or regulations.

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

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

Infographic showing various Thermal Hydraulic Design Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 89% Full Time, 7% Part Time, and 3% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $94,322 per year, or $45.3 per hour.

Reactor Core Thermal Hydraulic Engineer I

Cranberry, NC • Hybrid

Westinghouse Electric Company, LLC
See more jobs at Westinghouse Electric Company, LLCexternal

$58K - $73K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted just now

Key responsibilities

  • Perform standard Reactor Core Thermal Hydraulic Design analysis work following approved methodologies and procedures to support safe plant operation.

  • Support emergent issues and interface with customers and internal teams to ensure safe plant operation.

  • Plan and schedule own work to meet assignment requirements within schedule and budget, and participate in project teams to communicate work progress.

Job description

Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace.

About the role:

As a Reactor Core Thermal Hydraulic Design Engineer, you will participate in introductory training focused on standard analyses and obtain qualifications in Reactor Core Thermal Hydraulic Design

You will report to the Manager - Fuel Performance and Hydraulic Design and work a hybrid role based in Cranberry, PA. Relocation is available within the US.

Key Responsibilities:
  • Perform standard Reactor Core Thermal Hydraulic Design analysis work for US and international customers, following approved methodologies, procedures and internal processes with focus on nuclear safety to produce error-free work. Analyses will support safe plant operation.
  • Develop skills necessary to assume more independent assignments and verify standard evaluations and analyses performed by others
  • Support emergent issues and interface with our customers and other teams within Westinghouse to support safe plant operation
  • Plan and schedule own work to meet assignment requirements within schedule and budget requirements and maintain quality of the work
  • Participate on project teams and communicate to responsible project managers and technical lead the nature and status of work projects
  • Identify and recommend improvements in process and tools on a continuing basis and support implementation
Qualifications:
  • Bachelor's degree in engineering (e.g. Nuclear, Mechanical) or related Discipline preferred or recognized equivalent required
  • 0 + years of engineering experience
  • Apply fundamental engineering principles
  • Computer simulation, programming skills and Linux experience
  • Engineer in Training (EIT) Certification complete or in process

We are committed to transparency and equity in all of our people practices. The base salary range for this position, which is dependent upon experience, qualifications and skills, is estimated to be $58,400 to $73,000 per year.

#LI-Hybrid

Why Westinghouse?

Our benefits package is tailored to meet the diverse needs of our employees, while also promoting wellness and career growth. The following are representative of what we offer:

  • Comprehensive Medical benefits which could include medical, dental, vision, prescription coverage and Health Savings Account (HSA) with employer contributions options

  • Wellness Programs designed to support employees in maintaining their health and well-being including Employee Assistance Program providing support for our employees and their household members

  • 401(k) with Company Match Contributions to support employees' retirement

  • Paid Vacations and Company Holidays

  • Opportunities for Flexible Work Arrangements to promote work-life balance

  • Educational Reimbursement and Comprehensive Career Programs to help employees grow in their careers

  • Global Recognition and Service Programs to celebrate employee accomplishments and service

  • Employee Referral Program

Westinghouse Electric Company is the global nuclear energy industry's first choice for safe, clean, and efficient energy solutions. We enable our delivery of this vision by living our value system:

  • Safety and Quality

  • Integrity and Trust

  • Customer Focus and Innovation

  • Speed and Passion to Win

  • Teamwork and Accountability

While our Global Headquarters are located in Cranberry Township, PA, we have over 11,000 employees working at locations in 19 different countries. You can learn more by visiting http://www.westinghousenuclear.com.

Westinghouse is an Equal Opportunity Employer including Veterans and Individuals with Disabilities

Get connected with Westinghouse on social media: Twitter | Facebook | LinkedIn| YouTube

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