20 construction engineer jobs found in Oak Ridge

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us. Job Description Lead Complex Nuclear Facility Construction TRISO-X is a first-of-its-kind nuclear fuel fabrication facility which will be manufacturing TRISO coated-particle fuel. The Construction Project Engineer III is a technical leader responsible for executing the full lifecycle of nuclear facility construction projects-translating design intent into built reality while ensuring safety, quality, and regulatory compliance at every stage. This role will bridge the gap between Electrical / I&C design and physical construction,...

Job Description Overview We are seeking a Senior Piping Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, TN office and offers the opportunity to contribute to innovative nuclear and commercial projects. The ideal candidate is an experienced engineering professional with deep expertise in piping system design, analysis, and implementation, and a passion for delivering safe, high-quality engineering solutions. Your role This role requires a senior experienced mechanical or process engineering professional responsible for design, layout, installation, and maintenance of piping systems and associated supports. This role will support the overall design and analysis of mechanical components, systems and piping designs for nuclear and commercial projects. Creates detailed engineering drawings, P&IDs, and 3D models for piping routes, equipment, placement, and plant setup. Performs a variety of engineering...

Job Description Overview We are seeking a Senior Structural Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, Tennessee office and offers the opportunity to contribute to complex nuclear and commercial infrastructure projects. The ideal candidate is an experienced structural engineering professional with a strong technical background, demonstrated expertise in structural design and analysis, and a commitment to delivering safe, innovative, and high-quality engineering solutions. Your role Responsible for designing, developing, testing, and overseeing the construction and maintenance of infrastructure projects. Responsible for the overall design and analysis of safety and non-safety related structures for nuclear and commercial projects. Regularly interfaces with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for structural design and layouts having a...

Job Description Overview We are seeking an Intermediate Piping Engineer Energy - Remote. This remote position is based out of our Oak Ridge, TN office. Your role Mechanical or Process engineering responsible for design, layout, installation, and maintenance of piping systems and associated supports. Supports the design and analysis of mechanical components, systems and piping designs for nuclear and commercial projects. Creates detailed engineering drawings, P&IDs, and 3D models for piping routes, equipment, placement, and plant setup. Performs a variety of engineering calculations using traditional engineering methods and applicable design codes and regulatory requirements. Will specify piping materials, fittings, valves, and support systems and perform stress analysis using software to ensure structural integrity. (e.g., PipeStress, AutoPipe, MathCAD, GT STRUDL, ANSYS). Prepares technical specifications, requisitions, and vendor recommendations for...

Job Description Overview We are seeking an Intermediate Civil Engineer Energy - Remote. This remote position is based out of our Oak Ridge, TN office. Your role Responsible for designing, developing, testing, and overseeing the construction and maintenance of infrastructure projects. Responsible of design and analysis of safety and non-safety related structures for nuclear and commercial projects. Interfaces with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for structural design and layouts. Applies knowledge and experience, industry best practices, regulatory guidance, codes and standards, and good engineering judgment to ensure the design is compliant with International regulatory criteria and industry best practices. Performs a variety of engineering calculations using traditional engineering methods or Finite Element Analysis (FEA) to document compliance with project and code requirements, which may...

Requisition Id 16799 Overview: We are seeking an Instrument Support Electrical Engineer to support the High Flux Isotope Reactor (HFIR) neutron scattering instruments and associated infrastructure. This role performs hands-on electrical design and troubleshooting - panel layouts, wiring schematics, power distribution, and cable/equipment specification - to ensure safe, reliable, and efficient operation of HFIR Beamline Operations (HBO) systems, consistent with the safety and regulatory standards that govern reactor facility operations. Work spans power distribution systems, electrical design for beamline instruments and conventional facilities, and experimental equipment support. This position resides in the HFIR Instrument Support Group in the HFIR Beamline Operations Section, Neutron Scattering Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Design and develop electrical systems - panel layouts, wiring...

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Civil Engineer to support our Oak Ridge, TN office. The Civil Engineer is responsible for supporting the planning, design, and permitting of land development project. The role works under the direction of senior engineers and project managers while independently performing engineering design tasks, preparing construction documents, and coordinating with internal teams and external stakeholders. Responsibilities include but aren't limited to: Engineering Design & Analysis Assist in the design of site development projects, including grading, drainage, stormwater management, utilities, roadway access, and erosion and sediment...

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Civil Engineer to support our Oak Ridge, TN office. The Senior Civil Engineer will be responsible for leading the planning, design, permitting, and execution of land development projects across commercial, industrial, and institutional sectors. This role requires technical expertise, project leadership, and coordination with clients, agencies, and multidisciplinary teams to deliver high-quality, compliant, and cost-effective site development solutions. Responsibilities include but aren't limited to: Technical & Design Leadership Lead the planning and design of site development projects, including grading, drainage,...

Senior Mechanical Engineer Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Mechanical Engineer to support our Projects . Description: As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government facilities. This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle. The successful candidate will work closely with project management, discipline leads, and clients to deliver fully coordinated,...

Summary: A civil engineer completes construction projects by preparing engineering design and documents; confirming specifications. Project Details: Design construction projects by studying project concept, architectural drawings, and models. Prepare engineering design by collecting and studying reports, maps, drawings, blueprints, aerial photographs and tests on soil composition, terrain, hydrological characteristics, and related topographical and geologic data. Determine project costs by calculating labor, material, and related costs. Prepare feasibility study by analyzing engineering design; conducting environmental impact studies and assembling data. Prepare engineering documents by developing construction specifications, plans, and schedules. Confirm adherence to construction specifications and safety standards by monitoring project progress; inspecting construction site; verifying calculations and placements. Fulfill project requirements by...

Major Equipment Mechanical engineer support includes estimating, specifying, designing, procurement and construction support of specialty and first of a kind equipment such as gloveboxes, furnaces, high vacuum systems and metal casting/machining equipment. Subcontractor will create design concepts using Pro/Engineer (CREO) CAD software and topology optimization software as appropriate. Experience leading multi-discipline machine design efforts and producing build to print equipment fabrication packages is preferred as well as CREO parametric experience. Hours will be 06:00 - 16:30, Monday through Thursday. The position will be full time. No travel is expected for this position. Ability to obtain a Q level clearance is required.

Boston Government Services (BGS) is seeking a Mechanical Engineer to support our clients at the Y12 National Security Complex in Oak Ridge, Tennessee. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction. Work that Matters. People that Matter More. At BGS, we believe meaningful work starts with great people. We foster a...

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...

ABOUT THE ROLE We are seeking a Specialty Mechanical Engineer 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+...

Company Description: Professional Project Services Inc. has upcoming opportunity for Mechanical Engineer III-Piping (Contract Employment for up to 12 months) position in Oak Ridge, TN. Please submit resumes via the web page link below. Professional Project Services, Inc. (Pro2Serve®) is a nationally-recognized technical and engineering services firm dedicated to providing critical infrastructure engineering services in support of our Nation's security. Pro2Serve provides solutions to improve the effectiveness and efficiency of our government and private clients. We support the defense, energy, and science markets through responsive, cost-effective execution of critical security, facilities and infrastructure, nuclear defense and nonproliferation, and environmental projects. Job Description Principle Areas of Responsibility: Piping Developing process flow diagrams, piping and instrumentation diagrams, and sequences of operations; selection and layout of...

Akima Infrastructure Services, LLC (AIS), is actively seeking Engineering, Professional, Technical, and Administrative support personnel as part of our staff augmentation team supporting the Department of Energy at the Y-12 National Security Complex located in Oak Ridge, Tennessee and the Pantex Plant located in Amarillo, Texas. Successful candidates will be employees of AIS, a premier government contractor charged with employing highly motivated and well-qualified personnel who can advance Y-12's core mission to ensure a safe, secure, and reliable U.S. nuclear deterrent, which is essential to national security. Though employed by AIS, the employee will take day-to-day direction and assignments from Y-12 staff employed directly by the security complex. Pay, benefits, Human Resources, and Employment Management functions are provided by AIS. To join our team of outstanding professionals, apply today! Qualified applicants must be a US citizen, at least 18 years of age, and able to...

MS Technology, Inc. is seeking a Mechanical Engineer, P.E. with facility (e.g., piping/plumbing design, HVAC, facility utilities) and/or system (e.g., skids, pump systems, hydraulics/pneumatics) design experience to support complex nuclear and industrial projects. The ideal candidate will have experience developing piping system layouts, engineering deliverables, and design documentation in collaboration with multi-disciplinary engineering teams. Location: Onsite and/or Hybrid in Oak Ridge, TN Salary Range: Depending on Experience Responsibilities: Support system and mechanical engineering design activities for complex industrial and nuclear projects Prepare and review engineering deliverables including P&IDs, specifications, calculations (e.g., pipe stress, hydraulic, safety valve sizing, ventilation sizing), and equipment arrangements Develop piping and utility system designs supporting facility infrastructure, process support systems, and operations Coordinate...

Requisition Id 16933 Level: TP04 Overview: The Design Engineering Group in the Nonreactor Nuclear Facility Division (NNFD) is hiring a Mechanical Design Engineer for its Mechanical Design Team. The engineer will work with project teams, discipline leads, and stakeholders to design and analyze mechanical systems for nuclear and radiological facilities. Projects include hot cells, gloveboxes, shielded carriers, lift fixtures, pressure vessels, process piping, confinement ventilation systems, and various tools for isotope research & production. Major Duties/Responsibilities: Define and record design requirements, connections, assumptions, and standards for each project. Check existing conditions through reviewing records, site visits, measurements, and inspections. Create calculations, analyses, specifications, and complete design documents; use a graded approach and clearly document decisions. Work with other engineers, designers, and stakeholders to coordinate...

Job Responsibilities: We are looking for a machine design engineer to perform design on equipment for new facilities. No PE Required. Will be working on a team of other engineers for creation, development and testing of mechanical systems, industrial machinery and automation equipment using Solidworks for new nuclear facilities. • Design & Modeling: Create detailed mechanical designs, components, and assemblies using 3D CAD software (SolidWorks). • Analysis & Simulation: Perform engineering calculations, FEA (Finite Element Analysis), and simulations to test strength and safety. • Prototyping & Testing: Build, test, and troubleshoot prototypes to evaluate performance, conducting failure analysis to improve designs. • Documentation: Generate technical drawings, BOMs (Bill of Materials), design specifications, and operation manuals. Collaboration: Work with other engineering disciplines to optimize designs for manufacturability (DFM) and assembly (DFA)....

Summary: A civil engineer completes construction projects by preparing engineering design and documents; confirming specifications. Project Details: Design construction projects by studying project concept, architectural drawings, and models. Prepare engineering design by collecting and studying reports, maps, drawings, blueprints, aerial photographs and tests on soil composition, terrain, hydrological characteristics, and related topographical and geologic data. Determine project costs by calculating labor, material, and related costs. Prepare feasibility study by analyzing engineering design; conducting environmental impact studies and assembling data. Prepare engineering documents by developing construction specifications, plans, and schedules. Confirm adherence to construction specifications and safety standards by monitoring project progress; inspecting construction site; verifying calculations and placements. Fulfill project requirements by...