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Mechanical Designer

Date: Dec 2, 2022

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 9205 


The Design Services Group within the Neutron Technologies Division (NTD) is seeking a Mechanical Designer to produce high quality engineering design packages. As a Mechanical Design Technician, you will collect and maintain records, technical models/drawings, and documents for the Neutron Technologies Engineering (NTE) Section. The NTE section is made up of Instrument Engineering, Source Development Engineering, Survey & Metrology, Manufacturing Engineering, and the Design Services Group. This role reports to the Design Services Group Leader and interfaces with engineers and scientists across the section. You may be responsible for reviewing and checking the work of other designers, just as others may also do the same for you.


Major Duties/Responsibilities: 

  • Takes complex engineering designs from conception through manufacture and build.
  • Successfully communicates and collaborates with engineers and scientists throughout the design process.
  • Creates engineering models and drawings using computer-aided design (Creo) graphics workstation.
  • Converts multi-CAD system subassemblies (Creo, AutoCAD, Mechanical Desktop, etc.) from the partner laboratories into integrated mechanical assemblies.
  • Produces multi-system installation drawings and specifications.
  • Prepares clear, complete, and accurate working plans and detail drawings from layouts, rough or detailed sketches, electronic databases, or written or verbal instructions.
  • Checks detail drawings to assure compliance with engineering codes and drafting standards.
  • Perform tolerance stack ups to assure proper fit in assemblies.
  • Works with the Document Control Center to help ensure accuracy and completeness of drawings.
  • The SNS and HFIR facilities are in operation 24 hours per day and 7 days a week year- round.  You may be occasionally required to support users and/or facilities during off hours or weekends.
  • As a member of the ORNL scientific community, you will be expected to commit to ORNL's Research Code of Conduct. Our full code of conduct, and a statement by the Lab Director's office can be found here:


Basic Qualifications:

  • Associates degree in an engineering or science discipline and a minimum of 4 years of relevant experience
  • A high school diploma may be considered with a minimum of 6 years of relevant experience
  • Experience in design of complex mechanical systems
  • Experience using Creo CAD systems or proven ability to learn new CAD system on the job in recent work
  • Knowledge of the technical concepts of drafting and engineering principles, codes, and standards

Preferred Qualifications:

  • Experience working in an accelerator or nuclear environment
  • Previous hands-on experience with manufacturing processes and related tolerances
  • Top-down design, skeleton modeling techniques in Creo software
  • Windchill experience
  • GD&T
    • Solid understanding of standards (ASME Y14.5)
    • How to apply these standards in your designs (models & drawings)


About Neutron Sciences Directorate:
The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) operates the High Flux Isotope Reactor (HFIR), the United States’ highest flux reactor-based neutron source, and the Spallation Neutron Source (SNS), the world’s most intense pulsed accelerator-based neutron source.  Together these facilities operate 30 instruments for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences for more than 3,000 visiting scientists.  HFIR also provides unique facilities for isotope production and neutron irradiation.  To learn more about Neutron Sciences at ORNL go to


Visa sponsorship is not available for this position.




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.

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