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HVAC Design Engineer

Date: May 1, 2022

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 7060 


Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.


The Design Engineering Group within the Nonreactor Nuclear Facilities Division (NNFD) is seeking a Heating, Ventilating, and Air Conditioning (HVAC) Design Engineer with an emphasis in Department of Energy (DOE) Confinement Ventilation Systems (CVS).  The candidate will work with System Engineers, Facility Safety Engineers, Facility Managers, and customers to support nuclear facility and research operations within the Nuclear Science and Engineering Directorate (NSED).


Major Duties/Responsibilities: 

  • Work with support organizations (e.g., facility managers, cognizant system engineers, ES&H, Fire Protection, Facility Safety) to design new or upgrade existing HVAC and CVS within nuclear facilities (Hazard Category II & III)
  • Establish project scope and support the System Engineer in the preparation of the System Requirements Documents (SRDs) for new projects
  • Obtain budgetary cost estimates from equipment suppliers to support project planning
  • Prepare and check Design Analysis & Calculations (DAC) for fan static pressure loss, equipment sizing, ductwork sizing, stack height evaluations, etc.
  • Develop equipment specifications and review / approve equipment submittals from sellers
  • Provide direction and guidance to in-house drafting and designers on the development of P&IDs, airflow drawings, control diagrams, sequence of operations, shop fabrication drawings, etc.
  • Prepare Drawing Change Notices (DCNs) to incorporate design and field changes
  • Prepare engineering studies for scoping future projects and develop estimates for management
  • Define design criteria for projects that will be designed by outside architect / engineering services
  • Provide oversight during the design, fabrication, and installation of HVAC systems and components and support the start up, testing, and balancing (TAB) activities
  • Respond to Request for Information (RFIs) that arise during construction


Basic Qualifications:

  • BS or MS degree in Mechanical Engineering under an ABET accredited engineering curriculum (ABET accredited technology programs are not acceptable)
  • A minimum of 10 years work experience predominately within a DOE nuclear laboratory, DOE nuclear facility, or an equivalent environment
  • Extensive work experience in the design of Heating, Ventilating, and Air Conditioning (HVAC) and CVS pertaining to laboratory hoods, gloveboxes, hot cells, and enclosures for DOE nuclear facilities and operations or similar environments
  • Knowledgeable of national codes and standards applicable to the design of nuclear confinement ventilation systems such as ASME AG-1, ASME N-509, ASME N-510, and ASHRAE DG-1
  • Working knowledge of Industrial Ventilation design (e.g., ACGIH Industrial Ventilation Manual)
  • Knowledge and experience in start-up, testing, and balancing of HVAC systems and nuclear confinement ventilation exhaust systems
  • Experience in the preparation of control diagrams and sequence of operations for control of HVAC and nuclear confinement ventilation systems
  • Capable of developing and performing spreadsheet and hand calculations using recognized methods and techniques for the HVAC industry
  • Proficient with Microsoft Office Tools (e.g., Word, Excel, Outlook, PowerPoint) and Adobe Acrobat


Preferred Qualifications:

  • Experience with Autodesk Design Software (AutoCAD, Revit, BIM, Inventor, Vault, etc.)
  • Hold a Professional Engineer license in the State of Tennessee
  • Experience in the design of HVAC and filtrations systems for clean rooms used in laboratory and research facilities
  • Understanding of national environmental compliance (e.g., NESHAP) issues relating to HVAC and Confinement Ventilation systems
  • Understanding of national standards in the area of testing and balancing (TAB) such as NEBB and AABC
  • Understanding of piping system requirements and interfaces relating to commercial / industrial HVAC systems
  • Member of a National HVAC Professional Engineering Organization (e.g., ASHRAE)
  • Knowledge and experience in national energy conservation (e.g., LEEDs, ASHARE 90.1) issues


Moving can be overwhelming and expensive. UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for certain positions. If invited to interview, be sure to ask your Recruiter (Talent Acquisition Partner) for details. 
For more information about our benefits, working here, and living here, visit the “About” tab at 


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.

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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.

Nearest Major Market: Knoxville