ZipRecruiter

Log In

1

Heat Transfer Cooling Systems Engineer Jobs (NOW HIRING)

Foxconn WI

Cooling System Engineer

Mount Pleasant, WI · On-site

Design and develop cooling solutions for servers, storage, and AI/HPC systems, including air-cooled ... Strong understanding of heat transfer, fluid dynamics, and thermodynamics. * Proficiency with CFD ...

Kratos Defense

Senior Heat Transfer Engineer

Jupiter, FL · On-site

$102K - $140K/yr

The Senior Heat Transfer Engineer will be involved in various cooling, secondary flow and heat ... systems. * Specialized in turbine airfoil durability, cooling design and thermal lifing.

Foxconn WI

Cooling System Engineer

Mount Pleasant, WI · On-site

Design and develop cooling solutions for servers, storage, and AI/HPC systems, including air-cooled ... Strong understanding of heat transfer, fluid dynamics, and thermodynamics. * Proficiency with CFD ...

Kratos Defense

Senior Heat Transfer Engineer

Jupiter, FL · On-site

$102K - $140K/yr

The Senior Heat Transfer Engineer will be involved in various cooling, secondary flow and heat ... systems. * Specialized in turbine airfoil durability, cooling design and thermal lifing.

American Industrial Heat Transfer, Inc

Be Seen First

Heat transfer Engineer

Kenosha, WI · On-site

American Industrial Heat Transfer, Inc. is looking for an experienced heat-transfer engineer to ... Chemical applications system * Petroleum industry * Food industry Also able to use computer ...

Posted today

Prattwhitney

Senior Mechanical Cooling Engineer

Sudbury, MA · On-site

$109K - $144K/yr

Experience in Thermodynamics, Fluid Mechanics, and/or Heat Transfer. * Engineering project experience involving cooling systems--liquid or air cooling. * Experience with solid modeling tools such as ...

Foxconn WI

Cooling System Engineer

Mount Pleasant, WI

$70K - $80K/yr

Design and develop cooling solutions for servers, storage, and AI/HPC systems, including air-cooled ... Strong understanding of heat transfer, fluid dynamics, and thermodynamics. * Proficiency with CFD ...

next page

Showing results 1-20

All JobsConstruction JobsHVAC JobsHVAC Engineer JobsHeat Transfer Cooling Systems Engineer Jobs

Heat Transfer Cooling Systems Engineer information

See salary details

$53.5K

$127.2K

$167K

How much do heat transfer cooling systems engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for heat transfer cooling systems engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

What are popular job titles related to Heat Transfer Cooling Systems Engineer jobs?

For Heat Transfer Cooling Systems Engineer jobs, the most frequently searched job titles are:

Infographic showing various Heat Transfer Cooling Systems Engineer job openings in the United States as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, 4% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $127,215 per year, or $61.2 per hour.

Cooling Systems Engineer

Oak Ridge, TN • On-site

Oak Ridge National Laboratory
Scientific Research and Development Services • 5 - 10K employees
Learn more about Oak Ridge National Laboratoryexternal

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 days ago

Key responsibilities

  • Provide systems-level engineering support on piping specification, material selection, heat exchanger thermal sizing, and pump selection.

  • Perform hydraulic and CFD analysis to evaluate system performance, support design changes, and guide equipment selection.

  • Monitor cooling systems operations and direct qualified operators to adjust parameters to meet SNS production goals.

Oak Ridge National Laboratory rating

8.8

Company rating: 8.8 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

Job description

Requisition Id 16693
Overview:
We are seeking a Cooling Systems Engineer to provide technical engineering oversight of cooling systems supporting the Spallation Neutron Source (SNS) and High Flux Isotope Reactor (HFIR). This position resides in the Cooling Systems Group in the Site Services Group, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL).
Major Duties/Responsibilities:
  • Provide systems-level engineering support on piping specification, material selection, heat exchanger thermal sizing, and pump selection, translating decisions into clear direction for designers and technicians.
  • Perform hydraulic and CFD analysis to evaluate system performance, support design changes, and guide equipment selection.
  • Evaluate operational data from facility monitoring software to identify performance trends and recommend improvements.
  • Review cooling system components - piping, pumps, water treatment - and provide engineering support for design changes per established procedures.
  • Monitor cooling systems operations and direct qualified operators to adjust parameters to meet SNS production goals; escalate issues to the Group Leader or Senior Operator as needed.
  • In this role you will be expected to be willing to learn new skills and train others.
  • Support design change implementation and routine maintenance coordination, with occasional off-hours or weekend coverage for 24/7 facilities.
  • Ensure compliance with environmental, safety, health and quality program requirements.
  • Deliver ORNL's mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace - in how we treat one another, work together, and measure success.

Basic Qualifications:
  • A BS in mechanical engineering or a related field and a minimum of 5 years of relevant experience.

Preferred Qualifications:
  • Experience designing or operating industrial water or cooling systems, including pumps, valves, heat exchangers, and piping.
  • Experience with AFT Fathom fluid dynamic software.
  • Knowledge of Affinity Laws and their application to pump and fan system design.

Security, Credentialing, and Eligibility Requirements:
This position requires the ability to obtain and maintain an HSPD-12 PIV badge.
For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification will be required. Additionally, ORNL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as mandated by Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which requires a favorable post-employment background investigation.
To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.
About ORNL:
We offer competitive pay and benefits programs to attract and retain hardworking people! The laboratory offers many employee benefits, including medical and retirement plans and flexible work hours, to help you and your family live happy and healthy. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also provided for convenience.
Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, and Employee Discounts. Relocation Assistance is available.
If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: ORNLRecruiting@ornl.gov.
#LI-LK1
This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.
We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.
ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.

What Oak Ridge National Laboratory employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply