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Senior Mechanical Engineer

HukariAscendent
Oak Ridge, TN Contractor
POSTED ON 8/29/2026
AVAILABLE BEFORE 9/26/2026

HukariAscendent is a Women-Owned, Small Business specializing in comprehensive engineering and technical support services associated with commercial nuclear power and other Department of Energy (DOE) nuclear activities.


Job Title: Specialty Mechanical (SM) Engineer

Duration: 1 year with potential for extension(s) (full-time)

Location: Onsite – Oak Ridge, TN (DOE Q clearance required)

Short Summary about Job:

Specialty Mechanical Engineers in the Projects Equipment Design Engineering organization create design and procurement documents for specialty, first-of-a-kind equipment such as glovebox systems, furnaces, high vacuum systems, and metal casting/machining equipment. Engineering design tasks include collaborating with designers on build-to-print design packages, developing procurement documents (equipment specifications, statements of work, and datasheets), and performing calculations and analysis associated with machine design.

Required Qualifications

  • Bachelor’s degree in Engineering
  • Minimum of 10 years of experience with design/specification of custom mechanical equipment
  • Experience developing build-to-print design packages and procurement documents (equipment specifications, statements of work, and datasheets) for custom, specialty equipment
  • Experience performing engineering calculations and analysis for machine design, including finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations, and heat transfer calculations
  • DOE “Q” clearance
  • Willing and able to work a compressed schedule (10-hour days, Monday through Thursday)

Preferred Qualifications

  • Advanced experience in machine design, preferably with glovebox systems, furnaces, high vacuum systems, and metal casting/machining equipment
  • Thorough knowledge of relevant industry codes and standards
  • Experience writing detailed, accurate procurement documents, including both design/build equipment specifications and equipment fabrication specifications for custom-designed equipment
  • Experience leading multi-discipline teams — mechanical, electrical, instrumentation/controls, HVAC, piping, process, and welding disciplines — on machine design efforts
  • Experience producing build-to-print equipment fabrication packages, including fabrication drawings, fabrication specifications, procurement documents, and calculations
  • Experience with 3D CAD modeling using PTC Creo and/or SolidWorks

Miscellaneous/Additional Information:

  • Full-time, onsite position; no travel expected
  • Immediate need
  • Compressed work schedule: 10 hours per day, Monday through Thursday, core hours 9:00 AM – 3:00 PM
  • DOE Q clearance required


HukariAscendent offers an excellent benefits package including medical, dental, vision, and life insurance, 401(k) plan, and paid time off.

Opportunities with HukariAscendent change frequently. For a complete listing of our current openings, please visit our website at https://www.hukari.com.

HukariAscendent is an Equal Opportunity/Affirmative Action Employer. All qualified applicants receive consideration for employment without regard to age, disability, race, color, religion, creed, national origin, sex, marital status, sexual orientation, veteran or military status including disabled veterans and Vietnam era veterans, or other protected status.

HukariAscendent maintains a drug-free workplace.


Salary : $150,000 - $215,000

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