Demo

Mechanical Design Engineer

GEM Technologies, Inc.
Oak Ridge, TN Full Time
POSTED ON 9/21/2026
AVAILABLE BEFORE 1/18/2027

ABOUT THE ROLE

We are seeking a Mechanical Design Engineer to support our client in a direct role! This position is full-time and will be based out of Oak Ridge, TN.

Responsibilities

  • Support the design, modification, and layout of facility piping systems, performing crucial component sizing for pumps, motors, heaters, blowers, valves, and pressure vessels.

  • Create CREO 3D models and 2D technical drawings

  • Create, update, and redline mechanical/piping drawings, plans, and specifications, ensuring all work complies with code and industry standards.

  • Perform pressure-drop, flow, and basic thermal calculations; assist with steady-state and transient analyses using CFD, FEA, or spreadsheet tools.

  • Conduct pipe-stress and support-structure checks, documenting results for review, and actively participate in hazard analyses, safety reviews, and quality assurance.

  • Prepare ROMs, equipment lists, and technical evaluations to support procurement.

  • Get hands-on with factory acceptance tests, field inspections, and system troubleshooting under the guidance of senior staff.

Requirements

  • Education & Years of Experience – Bachelor’s Degree in Mechanical Engineering (or a related field) from an accredited institution and 2 years of relevant experience; additional, relevant experience may be considered in lieu of a degree.

  • 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.

  • Relevant training such as ASME code familiarization, piping-stress fundamentals, and OSHA or comparable safety coursework is encouraged.

  • 2 years of hands-on experience as a mechanical designer, technician, or early-career engineer focused on piping, fluid systems, or process equipment in industrial settings.

  • Must have CREO pipe/tool design experience.

  • Practical experience supporting equipment sizing and selection for pumps, valves, heat exchangers, and related mechanical components.

  • Familiarity with pressure-drop calculations, pipe-stress concepts, and basic structural checks.

  • Working knowledge of relevant codes and standards such as ASME and applicable welding procedures; familiarity with industrial safety expectations.

Desired Skills

  • Exposure to drafting and analysis tools such as CREO, AutoCAD, SolidWorks, CFD/FEA packages, and/or piping-stress software is preferred.

  • Experience in regulated or process industries (chemical, oil & gas, water/wastewater, manufacturing, or similar).

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.

Salary.com Estimation for Mechanical Design Engineer in Oak Ridge, TN
$67,534 to $80,112
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