Nuclear Structural Engineer - HFIR Project STRATA G, LLCNuclear Structural Engineer - HFIR ProjectOak Ridge, TNStrata-G is seeking an experienced Nuclear Structural - Civil Engineer HFIR Project with the following: Summary: The purpose of the HBRR Outage is to replace the life limiting beryllium reflector along with other critical reactor vessel components, enabling continued reactor operations for another 20 years. Interprets and implements DOE Natural Phenomena Hazard codes and regulations, as well as nuclear facility structural material design codes, such as ASCE 4, ACI 349, and AISC N690.
Mechanical Engineer Intern - Kiewit Nuclear Solutions (Summer 2027) Kiewit CorpMechanical Engineer Intern - Kiewit Nuclear Solutions (Summer 2027)Oak Ridge, TNWe offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off. Kiewit Nuclear Solutions provides comprehensive engineering, procurement, and construction services throughout North America, with expertise spanning all facets of the nuclear sector-from carbon-free small modular reactors to Department of Energy initiatives.
Kiewit Nuclear Solutions-Epc Project Engineer-Tn,Sc, & ID KiewitKiewit Nuclear Solutions-Epc Project Engineer-Tn,Sc, & IDOak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Instrumentation & Controls Engineer Intern - Kiewit Nuclear Solutions (Summer 2027) KiewitInstrumentation & Controls Engineer Intern - Kiewit Nuclear Solutions (Summer 2027)Oak Ridge, TNAs an Instrumentation and Controls Engineer Intern, you will be a part of a growing team that supports all aspects of the construction process by performing innovative design engineering through brainstorming conceptual designs, performing and/or reviewing calculations, developing plans, scheduling tasks to meet client needs, as well as mitigating risk to keep our construction crews safe. Kiewit Nuclear Solutions provides comprehensive engineering, procurement, and construction services throughout North America, with expertise spanning all facets of the nuclear sector-from carbon-free small modular reactors to Department of Energy initiatives.
Structural Engineer Intern - Kiewit Nuclear Solutions (Summer 2027) KiewitStructural Engineer Intern - Kiewit Nuclear Solutions (Summer 2027)Oak Ridge, TNKiewit Nuclear Solutions provides comprehensive engineering, procurement, and construction services throughout North America, with expertise spanning all facets of the nuclear sector-from carbon-free small modular reactors to Department of Energy initiatives. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Nuclear Facility Safety Engineer Napakiak VenturesNuclear Facility Safety EngineerOak Ridge, TNJob SummaryJoin our dynamic team as a Nuclear Facility Safety Engineer and play a pivotal role in ensuring the safe, efficient, and compliant operation of nuclear power systems. Develop and review technical documentation, including safety reports, system descriptions, and engineering calculations using programming languages like Python, C++, and Fortran.
Nuclear Facility Safety Engineer, Level VI NANA Regional Corporation IncNuclear Facility Safety Engineer, Level VIOak Ridge, TNMust have demonstrated experience in the hazard identification, hazard screening, and hazard evaluation process; the accident and consequence analysis process; the selection of engineered and/or administrative controls credited for the prevention or mitigation of postulated accidents; and the documentation of the results of these processes in safety analysis reports, documented safety analyses, and technical safety requirements. 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.
NewPostdoctoral Research Associate, Advanced Nuclear Reactor and Fuel Cycle Engineer Oak Ridge National LaboratoryPostdoctoral Research Associate, Advanced Nuclear Reactor and Fuel Cycle EngineerOak Ridge, TNThis role is responsible for working with state-of-the-art modeling and simulation capabilities for lattice physics, reactor core, spent fuel, and fuel cycle applications through leadership in the development and analysis of SCALE and/or the Virtual Environment for Reactor Applications (VERA) simulations and in collaboration with industry, national laboratories and university researchers. Major Duties/Responsibilities: Design, develop, optimize and analyze reactor models using world-class modeling and simulation codes (SCALE, VERA, OpenMC, MCNP, Serpent, MOOSE) to support the design and development of next generation nuclear reactors.
NewAdvanced Nuclear Reactor and Fuel Cycle Engineer (Associate) Oak Ridge National LaboratoryAdvanced Nuclear Reactor and Fuel Cycle Engineer (Associate)Oak Ridge, TNThis role is responsible for working with state-of-the-art modeling and simulation capabilities for lattice physics, reactor core, spent fuel, and fuel cycle applications through leadership in the development and analysis of SCALE and/or the Virtual Environment for Reactor Applications (VERA) simulations and in collaboration with industry, national laboratories and university researchers. Major Duties/Responsibilities: Design, develop, optimize and analyze reactor models using world-class modeling and simulation codes (SCALE, VERA, OpenMC, MCNP, Serpent, MOOSE) to support the design and development of next generation nuclear reactors.
NewAdvanced Nuclear Reactor and Fuel Cycle Engineer (Staff) Oak Ridge National LaboratoryAdvanced Nuclear Reactor and Fuel Cycle Engineer (Staff)Oak Ridge, TNThis role is responsible for working with state-of-the-art modeling and simulation capabilities for lattice physics, reactor core, spent fuel, and fuel cycle applications through leadership in the development and analysis of SCALE and/or the Virtual Environment for Reactor Applications (VERA) simulations and in collaboration with industry, national laboratories and university researchers. Major Duties and Responsibilities: Design, develop, optimize and analyze reactor models using world-class modeling and simulation codes (SCALE, VERA, OpenMC, MCNP, Serpent, MOOSE) to support the design and development of next generation nuclear reactors.
Lead Piping Stress Engineer 1 - Nuclear Sargent & LundyLead Piping Stress Engineer 1 - NuclearChattanooga, Tennessee$118,023–$180,313 / yearFull timeSince 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis.
Lead Electrical Engineer 1 Nuclear Sargent & Lundy LLCLead Electrical Engineer 1 NuclearChattanooga, TN$118,023–$180,313 / yearIn this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.