27 cost engineer jobs found in Oak Ridge

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 35 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 Sr. Electrical Power 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...

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,...

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT's technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit...

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...

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...

Standard Nuclear is fueling America's nuclear renaissance at industrial scale. Our mission is to deliver the essential building blocks of nuclear power-enabling cost-effective, safe, and secure energy for the world. The Materials Engineer will support development, testing, and scale-up of advanced materials and manufacturing processes for Standard Nuclear. This role is focused on materials development, experimental process work, technical problem-solving, and transition of promising methods from laboratory or pilot-scale work toward reliable production capability. The Materials Engineer will work closely with engineering, fuel development, manufacturing, quality, characterization, and operations teams to evaluate material behavior, develop and refine processing methods, support test campaigns, analyze results, and help define practical paths toward repeatable manufacturing. This role requires a hands-on technical approach, strong engineering judgment, and the ability to work...

Pro2Serve is an Equal Opportunity Employer (Minorities/Females/Disabled/Veterans). To read more about this, view the EEO is the Law poster and this EEO is the Law Poster Supplement Pay Transparency Statement Start Over with Job Search Returning Applicant? Login Now Electrical Engineer III or IV Job Code:2026-P2S-029 Location:Oak Ridge, TN Division:Engineering - 1.4.4 Duration:6 Months or more Company Description: Professional Project Services Inc. has upcoming opportunity for an Electrical Engineer III or IV(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. Using an engineering approach that is supported by an innovative software toolset, Pro2Serve provides...

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 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 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...

Job Description Overview We are seeking a Senior Process Engineer - Remote. This remote position is based out of our Oak Ridge, TN office. Your role This role requires a senior experienced engineering professional responsible for analyzing, developing, and improving industrial processes. This role will support the overall design and analysis of mechanical components and system designs for nuclear and commercial projects. Collaborate with productions teams, quality control, and other engineers to ensure processes run efficiently and meet safety and regulatory standards having a significant impact on project. Applies extensive knowledge of engineering principles to design products such as chemical engineering systems including reaction vessels, filtration systems, ion-exchange skids, piping and vessel systems. Conversant in the selection of commercially available equipment, which may include pumps, valves, pipe fittings, in-line components and filtration...

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...

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT's technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit...

Requisition Id 16778 Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The Enrichment Systems Engineering Section is seeking a Machine Design Engineering Group Leader who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). ESED serves the nation in two critical areas: advancing enrichment technologies and exploring stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of ORNL to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. ESED is the national steward for the research, development, and demonstration of...

Requisition Id 17074 Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The Enrichment Systems Engineering Section is seeking a Machine Design Engineer who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). ESED serves the nation in two critical areas: advancing enrichment technologies and exploring stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of ORNL to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. ESED is the national steward for the research, development, and demonstration of centrifuge...

Requisition Id 17063 Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The Enrichment Systems Engineering Section is seeking a Machine Design Engineer who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). ESED serves the nation in two critical areas: advancing enrichment technologies and exploring stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of ORNL to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. ESED is the national steward for the research, development, and demonstration of centrifuge technology...

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+...

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...

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. To join our team of outstanding professionals, apply today! 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. Qualified applicants must be a US citizen, at least 18 years of age, and able to...