Oak Ridge National Laboratory: Postdoctoral Research Associate, Thermal Energy Storage

Posted 23 Oct 2026

This is a postdoctoral job in the Thermal Energy Storage Group at Oak Ridge National Laboratory. The group sits in Building Technology Research, within the Building and Transportation Section of the Energy Science and Technology Directorate. The work is on thermal energy storage and building equipment technologies. The appointment is up to 24 months and can be extended. It suits a recent mechanical engineering PhD with lab experience.

What you'll do

  • Design experimental setups, plan and run experimental campaigns, and analyse and interpret the results
  • Run experimental and laboratory research on thermal energy storage, sorption systems, compressors, heat exchangers and HVAC systems
  • Carry out thermofluid analyses and build system-level models to support research and design
  • Write technical reports, journal papers and conference papers, and present findings to sponsors and other audiences
  • Help generate ideas and write proposals, and work with multidisciplinary teams and operations and technical staff
  • Follow environmental, safety, health and quality requirements

Who can apply

  • A PhD in Mechanical Engineering is required, and it must have been completed within the last 5 years
  • Laboratory and experimental experience is required
  • Preferred: experience designing, building and operating experimental thermal-fluid systems, including design of experiments and instrumentation
  • Preferred: knowledge of thermodynamics, fluid dynamics, and heat and mass transfer, with HVAC experience
  • Preferred: a record of technical publications, strong communication skills, and experience with DOE-funded or industry-sponsored projects
  • All degree requirements must be finished before the appointment starts. A Real ID and a federal background check are required. Foreign nationals who have not lived in the U.S. For three consecutive years need a Local Site Specific Only risk determination

How to apply

Apply through the ORNL careers site. Submit three letters of reference, including at least one from a member of your PhD committee. You can upload them with the application or email them to Postdocrecruitment@ornl.gov, quoting the position title and requisition number (16354).

Official page: jobs.ornl.gov/talentcommunity/apply/1387050500/?locale=en_US

LocationKnoxville, TN, On-site
SalaryNot published (see official page)
TypeFull-time
Applications close23 September 2026 (closed)