Mechanical Engineer
Geosyntec Consultants
US-TN-Oak Ridge ID
2026-4513 Category
Mechanical Engineer Position Type
Regular Full-Time Remote
No Overview
Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Mechanical Engineer to contribute to our mission supporting our work at Centrus Energy in Oak Ridge, TN.
Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
To Learn More Visit:
Essential Duties and ResponsibilitiesReporting directly to the Engineering Manager, the Sr. Mechanical Engineer will be responsible for supporting scopes of work activities associated with components, assemblies, and machines in the Centrifuge Project. Provides support to the Centrifuge Program to accomplish goals and objectives while ensuring compliance to Centrus standards and practices.
- Assist in leading, designing, building, and troubleshooting the following;
- Plant expansion activities;
- Large scale heating and cooling systems;
- High vacuum systems;
- Helium leak detection equipment;
- Composite parts and assemblies;
- Machined parts and assemblies;
- Assist in design and analysis of structural and dynamic systems;
- Design manufacturing equipment as needed for manufacturing activities;
- Develop specifications for fabrication materials and equipment;
- Assist in the creation, review, and approval of engineering packages to be used for fabrication;
- Establish procedures for assembly and repair of fabricated components;
- Drive process improvement activities for internal activities and external suppliers;
- Manage multiple priorities and ensure that deliverables are met within schedule and budget;
- Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements; and
- Contribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing.
- Bachelor's Degree in Mechanical or Aerospace Engineering required.
- Advanced degree in Mechanical or Aerospace Engineering preferred.
- At least 3 years of working experience in a Nuclear and/or DOE environment; or equivalent combination of education and experience required.
- 3+ years of CAD experience.
- SolidWorks experience.
- CREO experience.
- FEA experience.
- Due to federal contract security requirements, this position requires U.S. Citizenship.
- Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance.
- Successful candidates will be able to perform the essential functions of the job with or without reasonable accommodation. This job posting reflects management's assignment of essential functions and the descriptions listed do not restrict management's right to assign or reassign duties and responsibilities to this job at any time.
- Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)
Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.
PREFERRED QUALIFICATIONS & LOCATION DETAILS:
- Active Q Clearance.
- Project Management experience.
- Experience with Centrifuge or HALEU projects.
- Work will be performed at the Centrus facility in Oak Ridge, TN.
#LI-BG1
#LI-Onsite
$84.76k - $129.5k
...time (5 days/week) on-site position at TRISO-X Fuel Fabrication Facility in Oak Ridge, Tennessee. This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for...SuggestedHourly payFull timeLocal areaWorldwideFlexible hours- ...Requisition Id 16730 Overview: The Manufacturing Process Engineering Group within the Enrichment Science and Engineering Division (ESED) seeks applications for a Mechanical Process Engineer. The Enrichment Science and Engineering Division serves the nation in two...SuggestedFull timeWork at officeRelocationRelocation packageFlexible hours
- ...Mechanical Design Engineer Ideal candidates will have Creo and vacuum experience. Initial tasks will be to design and integrate some fairly complex vacuum vessels into an existing system. Job Duties * Will be performing FEAs on vacuum chambers and must be...Suggested
- ...Edgewater Technical Associates is seeking qualified candidates for a Mechanical Design Engineer opportunity in Oak Ridge, TN. Job Summary: Major Duties and Responsibilities: The Mechanical Design Engineer will produce high quality engineering design packages...SuggestedFor contractors
- ...Edgewater Technical Associates is seeking qualified candidates for a Mechanical Engineer opportunity in Oak Ridge, TN . Position Overview We are seeking a Mechanical Engineer to join a multidisciplinary engineering team supporting the development of specialized industrial...Suggested
- ...Mechanical Engineer MS Technology, Inc. is seeking a Mechanical Engineer to support our client in Oak Ridge, TN. This role utilizes parametric 3D modeling tools such as CREO or SolidWorks. The Mechanical Engineer supports scopes of work associated with components, assemblies...Temporary work
- ...ABOUT THE ROLE We are seeking a Mechanical Engineer to join our team supporting the Oak Ridge National Laboratory ! This position is full-time and will be based out of Oak Ridge, Tennessee. Responsibilities Apply engineering expertise to support HFIR operations. Prepare...Full timeFor contractorsWork at officeLocal area
- ...Mechanical Engineer-PE Company Overview: Napakiak Environmental and Construction (NEC) is a leading provider of information technology, technology development, and environmental and construction services, specializing in Federal and Commercial projects. Our company...Full timeFor contractors
- ...Boston Government Services, LLC. (BGS) is seeking a Mechanical Engineer to join our team! This position is contingent upon contract award. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national...Contract workTemporary work
- ...community. Our team of intellectually curious and highly motivated engineers, scientists and business professionals engages with our... ...successes with the community. Strata-G is seeking an experienced Mechanical Engineer with the following: Summary 10+ years of experience...Remote workWork visa
- ...orientation, gender identity, national origin, disability, or status as a protected veteran. Job Summary SMSI, LLC is seeking a Mechanical Engineer to support a large EPC project in the Oak Ridge, TN area. The selected candidate will support the design, procurement,...Remote work2 days per week3 days per week
$75k - $115k
...Our Nuclear Programs and Consulting group has an opening for a Mechanical Engineer to ensure client goals or objectives are accomplished within prescribed time frame and funding parameters within nuclear operations and engineering. The work will be performed in Oak Ridge...Hourly payContract workFor subcontractorWork at officeLocal area- ...Heating Air Conditioning Design Engineer 1 day ago - Be among the first 25 applicants Direct message the job poster from Equiliem Senior... ...The role involves HVAC design, development, and evaluation of mechanical components and processes, applying safety standards,...Contract workWork experience placementWork at officeFlexible hours
- ...Position: Senior Mechanical Design Engineer Location: Onsite in Oak Ridge, TN Clearance: Ability to obtain and maintain a DOE Q clearance Job Summary The Senior Mechanical Design Engineer in FMD provides mechanical engineering expertise to support the...
- ...Overview We are seeking a Thermal Mechanical Engineer who will focus on conceptualization, design, build, and deployment of Electromagnetic Isotope Separation (EMIS) devices through the creation of sophisticated 3D CAD models and detailed design packages suitable for fabrication...Work at officeRelocationRelocation packageFlexible hours
- ...government (DOE, NNSA, and NIST), nuclear research, and nuclear medicine. Merrick is seeking a highly motivated, team oriented Mechanical Engineer to support our operations in our Aiken, SC or Oak Ridge, TN office. WHAT YOU'LL DO The successful candidate...Part timeWork at office
- ...Position Overview: The Rotordynamics Development and Testing Engineer will spearhead engineering process innovation and rigorous... ...stakeholders. Minimum Qualifications: • Bachelor of Science in Mechanical Engineering with 10 years of relevant experience, or a Master’...
$40 - $100 per hour
...Job Description Job Description Job Title: Mechanical Design Engineer Job Description This role seeks a Mechanical Design Engineer with strong facility and system design experience, including piping and plumbing design, HVAC, facility utilities, and skid-based...Contract workTemporary workFor subcontractorWork at officeRemote work- ...Job Description Job Description Navarro Research and Engineering is recruiting for a Senior Mechanical Design Engineer in Oak Ridge, TN. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy...Contract workTemporary workFor contractors
- ...Job Description Job Description MS Technology, Inc. is seeking a Mechanical/Manufacturing Engineer to support our client in Oak Ridge, TN. Description The Mechanical/Manufacturing Engineer supports the design, development, installation, and operation of...Temporary workFor contractorsWork experience placementWork at office
- ...Job Description Job Description Navarro Research and Engineering is recruiting for a Senior Mechanical Engineer in Oak Ridge, TN. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and...Contract workTemporary workFor contractors
- ...Job Title: Tooling Design Engineer Location: Oak Ridge, TN What You’ll Do As a tooling engineer, the candidate will be responsible for developing high quality detailed design packages, providing engineering procurement and field technical support to implement those designs...Interim roleSecond jobFlexible hours
- ...Lead Mechanical Engineer Contract-based position requiring a Lead Mechanical Engineer. This position is contingent upon contract award. Responsibilities HVAC, process support systems. Ensure consistency in code application. Coordinate with other disciplines for integrated...Full timeContract workTemporary workMonday to Friday
- ...Nuclear Structural Engineer Spectra Tech, Inc. is hiring a detail-oriented Nuclear Structural Engineer to support the HFIR Beryllium Reflector Replacement (HBRR) Project in Oak Ridge, TN. Background Operating at 85 MW, the High Flux Isotope Reactor (HFIR) is...Work at office
- ...Boston Government Services, LLC. (BGS) is seeking a Lead Mechanical Engineer to join our team in Paducah, KY. This position is contingent upon contract award. BGS is an engineering, technology, and security firm helping to advance missions of national importance...Full timeContract workTemporary workMonday to Friday
- ...Government Services, LLC. (BGS) is seeking a Construction Quality Engineer to support our clients in Oak Ridge, TN. Responsibilities Lead... ...Society of Civil Engineers or AWS CWI or ANSI Level II Mechanical Certifications equivalent experience or education is preferred...Full timeContract workTemporary workFor contractorsFor subcontractorMonday to Friday
- ...you enjoy solving complex problems, uncovering trends in data, and keeping critical projects moving forward? As a Project Controls Engineer at Centrus Energy, you'll help power the future by providing the insights, planning, and controls that keep major energy projects...Full timeShift work
- ...Process Engineer - Fuel Forms MS Technology, Inc. is seeking a Process Engineer - Fuel Forms to support our clients in Oak Ridge,... ...safety and regulatory standards. Work closely with facilities, mechanical, and utilities engineering teams to ensure manufacturing...Temporary work
- ...OVERVIEW Merrick & Company is seeking a Process Engineer III with Instrumentation & Controls (I&C) expertise to join our team... ...requires close coordination with multidisciplinary teams, including mechanical, electrical, and I&C engineers. WHAT YOU'LL DO...
- ...Navarro Research and Engineering is recruiting an Project Engineer in Oak Ridge, TN. A DOE Q Clearance or DOD Equivalent is preferred to be considered for this position. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with...Full timeContract workTemporary workFor contractorsFor subcontractorLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer. Be the first to apply!


