Nuclear Mechanical Engineer

Date: Nov 14, 2023

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 12054 


We are seeking a Nuclear Mechanical Engineer who will focus on design, construction, and commissioning of facilities and equipment for nuclear materials processing.  This position resides in the Radioisotope Infrastructure Development Group in the Radioisotope Science and Technology Division at Oak Ridge National Laboratory (ORNL). As part of our team, you will provide design and systems engineering to support a large range of technical areas, including facility design, hot cell/glovebox design, chemical processing equipment, and specialty scientific and mechanical fabrications. You will support projects for both new and existing equipment and programs. The work is performed under exacting quality specifications and with the adherence to conduct of operations in nuclear facilities, requiring good team dynamics and efficiency to meet tight schedules. We are seeking a versatile team member with excellent attention to detail.


Major Duties/Responsibilities: 

  • Design and systems engineering
  • Testing, prototyping, and integration
  • Configuration and requirements management
  • Lead interactions with external design and construction firms
  • Project planning and management
  • Operations support and process improvement
  • Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace – in how we treat one another, work together, and measure success.


Basic Qualifications:

  • A Bachelor of Science degree in mechanical, nuclear, or chemical engineering, or a related discipline
  • A minimum of five years of experience in design, construction, commissioning, and/or operation of nuclear, research, or industrial facilities.


Preferred Qualifications:

  • Advanced degree in an engineering discipline
  • Experience with radiological hot cells or gloveboxes
  • Experience with large projects, especially as a technical or project lead
  • Experience in the design, integration, and testing of complex systems.
  • Familiarity with engineering codes and standards (e.g., ASME, AWS, AGS, DOE)
  • Familiarity with nuclear quality requirements such as ASME NQA-1
  • Excellent written and oral communication skills.
  • Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the laboratory.
  • Ability to function well in a fast-paced research environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs.
  • Active DOE Q Clearance


Special Requirements:


Q clearance: This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, 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.


Benefits at ORNL: 

ORNL offers competitive pay and benefits programs to attract and retain talented 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: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Pet 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, Relocation Assistance, and Employee Discounts.


Promoted:  #LI-DC1


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.

If you have trouble applying for a position, please email

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