Associate Maintenance Engineer at the High Flux Isotope Reactor

Date: Aug 14, 2026

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 16921 

 

Overview:

We are seeking an Associate Maintenance Engineer for the High Flux Isotope Reactor (HFIR) who will be responsible for helping to maintain the HFIR equipment and facilities to ensure safe, reliable, predictable, and efficient operations. This scope includes the HFIR maintenance program and processes; implementation of corrective, predictive, preventative, and modification work activities; work scheduling; and outage management. HFIR Maintenance Engineers work closely with members of the HFIR Beamline Operations Section, Science staff, Instrument Engineers, Reactor Operations personnel, and Melton Valley Complex Facility Supervisors.

 

This position resides in the Maintenance Engineering Group in the HFIR Maintenance Section, Research Reactors DivisionNeutron Sciences Directorate at Oak Ridge National Laboratory (ORNL).

 

Major Duties/Responsibilities:

Task Leading:

  • Assists with in-field oversight and technical direction.
  • Coordinates with equipment owners, craft supervisors, and facility management to ensure work is performed safely and efficiently.
  • Ensures compliance with UT Battelle policies related to environmental protection, safety, ALARA, and quality assurance.

 

Planning, Coordination, and Scheduling:

  • Helps develop written work instructions using human performance principles for repetitive and corrective maintenance, as well as upgrade / modification activities.
  • Works with Systems Engineering, Quality Assurance, and Procurement to identify and obtain necessary materials.
  • Administers the Computerized Maintenance Management System for assigned areas (mechanical, electrical, facilities), including processing work orders, assigning tasks, and managing individual activities.
  • Analyzes maintenance practices, equipment failures, and operating performance; prepares reports as assigned.

 

Basic Qualifications:

  • A BS degree in electrical engineering, technology, applied science, or a related field.
  • Familiarity with electrical distribution and utilization equipment.
  • Two or more years of relevant experience.

 

Preferred Qualifications:

  • Familiarity with electrical standards such as the National Electrical Code, NFPA 70E, UL White Book, etc.
  • Experience diagnosing equipment problems and developing formal work package instructions for documentation of repairs.
  • Experience working in a nuclear facility in the electrical or instrumentation and control field.
  • Familiarity with maintenance activities in a nuclear facility.
  • HFIR facility knowledge.
  • Experience with predictive maintenance techniques and equipment reliability programs.

 

Special Requirements:

  • Work involves various physical requirements and working conditions. As such, a pre-hire physical will be required after offer.
  • This position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.
  • Visa sponsorship is not available for this position.

 

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 for this position.

 

If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: ORNLRecruiting@ornl.gov.

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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.


Nearest Major Market: Knoxville