Mechanical Designer, HVAC
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 1, 2026. GEM Technologies scores B on the Alion truth index.
ABOUT THE ROLE
We are seeking an Mechanical Designer, HVAC 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
Experience in HVAC Design and 3D Modeling.
Knowledge of related engineering systems, applications of engineering and construction methods and materials, and engineering application of computers.
Plan, self-perform tasks, and multi-task on multiple projects.
Present information clearly and effectively through the oral and written word and utilize automated workflow systems.
Coordinate verification and validation of documents with technical and operations personnel prior to release for approval and implementation.
Develop and maintain historical information.
Prepare, interpret, maintain, and incorporate requirements of technical drawings and operating documents.
Requirements
Education & Years of Experience - Associate Degree in related discipline (HVAC or Fire Protection) with two or more years of progressive and relevant experience in HVAC and/or Fire Sprinkler System Design.
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.
5+ years of progressive and relevant experience in HVAC Design and 3D Modeling.
Experience in Revit and Smart Plant is a plus.
Experience working with point clouds and 3D modeling software for multi-discipline projects.
Familiarity with Trane Trace (or similar programs).
Technical knowledge of related engineering systems, applications of engineering and construction methods and materials, and engineering application of computers.
Ability to plan, self-perform tasks, and multi-task on multiple projects.
Must be able to coordinate verification and validation of documents with technical and operations personnel prior to release for approval and implementation.
Ability to develop and maintain historical information.
Ability to prepare, interpret, maintain, and incorporate requirements of technical drawings and operating documents.
Desired Skills
Experience in Revit and Smart Plant is a plus.
Experience working with point clouds and 3D modeling software for multi-discipline projects.
Familiarity with Trane Trace (or similar programs).
DOE Work experience.
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.