Mechanical Engineer, Piping Design
Confirmed on the employer's own hiring board on Oct 4, 2026. First seen by Alion on Sep 28, 2026. GEM Technologies scores B on the Alion truth index.
ABOUT THE ROLE
We are seeking a Mechanical Engineer, Piping Design 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 with hybrid flexibility. Candidate will provide CNS, Mission Engineering with full time piping design engineering support for facility and production area activities in Cat 2 and Cat 3 facilities.
Responsibilities
Provide design output documentation to support minor facility modifications. The types of design output documents typically developed by a piping design engineer within the Mission Engineering organization are drawings, engineering instructions, data sheets, equipment specifications, equivalency evaluations, calculations, etc.
Must be able to do pipe stress analysis.
Familiarity with and experience in developing designs in accordance with ASME B31.3 and ASME B31.1.
Works with other engineering disciplines and other plant organizations to produce timely design output.
Requires an understanding of Conduct of Engineering, Conduct of Operations, Conduct of Maintenance for facilities operating within a nuclear regulated environment.
Requires strong verbal and written communication skills and the ability to interface effectively with various clients, production and support organizations, management, and hourly wage employees.
Must be willing to perform field walk-downs and work in a production environment.
Requirements
Education & Years of Experience - Bachelor’s Degree in relevant engineering discipline from an ABET accredited University/College and 10+ years of relevant experience.
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 be able to obtain and maintain a government issued clearance, if needed.
Must have a good understanding of Conduct of Engineering, Conduct of Operations, Conduct of Maintenance for facilities operating within a nuclear regulated environment.
Experience in developing designs in accordance with ASME B31.3 and ASME B31.1.
Experience performing pipe stress analysis.
Experience performing field walkdowns.
Desired Skills
Experience with AutoPipe is a plus but not required.
Experience in a NRC or DOE regulated environment is desirable.
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.
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.