Mechanical Engineer, Specialty Equipment
- Level
- Senior
- Work type
- On-site · Oak Ridge
Not stated in the posting: salary, visa.
Open. First seen 3 October 2026.
About the role
ABOUT THE ROLE
We are seeking a Mechanical Engineer, Specialty Equipment to join our team supporting the DOE's Y-12 National Security Complex! This position is full-time and will be based out of Oak Ridge, Tennessee.
Responsibilities
- Creating design and procurement documents for specialty and first-of-a-kind equipment such as glovebox systems, furnaces, high vacuum systems, metal casting/machining equipment, etc.).
- Collaborating with designers to develop build-to-print design packages of custom, specialty equipment.
- Developing procurement documents such as equipment specifications, statements of work, and datasheets.
- Performing calculations and analysis associated with machine design (to include, but not limited to, finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations and heat transfer calculations).
Requirements
- Education & Years of Experience – Bachelor’s Degree in Engineering from an ABET accredited school and 10+ years of experience with design/specification of custom mechanical equipment.
- Citizenship – To be considered, you must be a United States (U.S.) citizen due to the federal nature of the work.
- Clearance – To be considered, you must have an active or very recently active DOE “Q” Clearance or DoD “Top Secret” Clearance.
- 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 with engineering calculations/analysis associated with machine design including finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations, heat transfer calculations, etc.
- Experience leading multi-discipline teams that include mechanical, electrical, instrumentation/controls, HVAC, piping, process and welding disciplines on machine design efforts.
- Producing build-to-print equipment fabrication packages including fabrication drawings, fabrication specifications, procurement documents, calculations, etc.
- Experience in 3D CAD modeling using PTC Creo and/or SolidWorks.
Desired Skills
- Active or very recently active DOE “Q” Clearance or DoD “Top Secret” Clearance.
GEM Technologies's standard text
About the Site
The NNSA's Y-12 National Security Complex, in Oak Ridge, Tennessee, is the nation’s only source of enriched uranium nuclear weapon components and provides enriched uranium for the U.S. Navy as well as excels in materials science, precision manufacturing, and stores enriched uranium. Y-12 supports efforts to reduce nuclear proliferation risk and performs work for other government agencies (energy.gov).
ABOUT GEM
GEM Technologies, Inc. (GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical services to federal agencies, state and local governments, and commercial organizations. Founded in 1994 as a nuclear engineering firm to support federal operations in East Tennessee, GEM has since expanded into a nationwide, multi-disciplinary provider with over 270 employees and a diverse portfolio of contracts in the environmental, nuclear, and defense sectors. Some reasons to join GEM are:
- Our philosophy – We believe in the power of effective collaboration and recognize that good partnerships are the building blocks to success.
- Our relationships – Partnering with federal clients, we solve complex problems, exceed expectations, and advance critical missions.
- Our team – We are committed to managing a cohesive workforce and cultivating a supportive workplace for our employees on contracts and in-office.
- Our community involvement – Supporting our communities, we invest time and money in local schools and non-profit organizations.
COMPENSATION AND BENEFITS
GEM’s offered compensation is dependent on candidates’ education, qualifications, and relevant years of experience. To recruit and retain our exceptional staff, we offer the opportunity to elect benefit packages that best suit our employee’s needs; this includes, but is not limited to, a competitive Salary, Medical, Dental and Vision Insurance (including HSA & PPO options), Paid Time Off (PTO), Paid Holidays, Life Insurance, and a matching 401(k) Retirement Plan.
Please Note: With the exception of mandated state requirements, GEM does not publish salary information on external job boards; as such, most ranges listed are estimates made by vendors and not actual salary ranges.
GEM Technologies's standard text
EQUAL OPPORTUNITY EMPLOYER
GEM Technologies, Inc. is an Equal Opportunity/Affirmative Action Employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.
What this role asks for
Particular to this role
Creo · FEA · SolidWorks
Rare in GEM Technologies's other 26 open postings.
84% of this description is written for the role. The rest is GEM Technologies's standard text, folded away below.
Read against GEM Technologies's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 19 open in Engineering. 3 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
FEA (3 of 19), Creo (2 of 19), PLC (2 of 19), SolidWorks (2 of 19)
OTHER ROLES ON THIS TEAM
- Project Engineer, Nuclear Facilities posted Oct 1
- System Engineer posted Oct 1
- Mechanical Engineer, Piping Design posted Sep 28
- Engineering Process Commissioning Specialist posted Sep 16
- System Engineer (Q- or TS-Cleared Candidates Only) posted Aug 28
- System Engineer posted Aug 28
- Civil Engineer posted Aug 28
- Sr. Facility Safety Engineer posted Aug 28
- Electrical Power Engineer posted Aug 28
- Structural Engineer posted Aug 28
- Mechanical Design Engineer posted Aug 14
- Controls Engineer (Q- or TS-Cleared Candidates Only) posted Aug 14
- Engineering Technologist, Atmospheric Instrumentation posted Jul 16
- I&C Engineer posted Jun 24
- Electrical Engineering Manager, Power & Electronics posted Jun 3
- Commissioning & Start-Up (CSU) Engineer posted May 19
- HVAC Design Engineer (Principal) posted Apr 8
- Structural Engineer posted Feb 18
From the team and dates on GEM Technologies's own job board.
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