82 facilities jobs found in Oak Ridge, TN

Requisition Id 16164 Overview: We are seeking a Maintenance Engineer for the High Flux Isotope Reactor (HFIR), primarily supporting the Cold Source upgrade project. HFIR Maintenance Engineers are responsible for maintaining the HFIR equipment and facilities to ensure safe, reliable, predictable, and efficient operations. This scope includes the HFIR maintenance program and processes; implementation of corrective, predictive, preventative, and modification work activities; work scheduling; and outage management. HFIR Maintenance Engineers work closely with members of the HFIR Beamline Operations Section, Science staff, Instrument Engineers, Reactor Operations and Cold Source personnel, and Melton Valley Complex Facility Supervisors. This position resides in the Maintenance Engineering Group in the HFIR Maintenance Section, Research Reactors Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Maintenance...

Requisition Id 15715 Overview: We are seeking a Cooling Systems Engineer who will function within the Cooling Systems group to achieve engineering design tasks and concurrently monitor operating systems. This position resides in the Cooling Systems Group in the Site Services Group, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide engineering support for Cooling Systems equipment and projects. Perform hydraulic analysis using computational fluid dynamics (CFD) software to understand performance limitations in existing systems, design new systems, and select equipment. Provide design support for Cooling Systems (e.g. piping, pumps, water chemistry) in accordance with the design change procedure. Provide engineering support to technicians, engineers, and subcontractor personnel within guidelines established by SNS Research Accelerator Division, SNS, and ORNL policies. Provide input...

Requisition Id 16161 Overview: We are seeking a Postdoctoral Research Associate who will focus on advanced scanning probe microscopy to study the dynamics of ferroic systems, including ferroelectric and ferroelastic materials, under external stimuli such as electric fields, light, strain, and temperature. This position resides in the Data Nanonanalytics (DNA) Group within the Nanomaterials Characterization Section of the Center for Nanophase Materials Sciences (CNMS), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). As part of our research team, you will investigate the functional properties of novel ferroic material systems and correlate their nanoscale ferroelectric, ferroelastic, optical, and electrical responses with structure and environment, with relevance to microelectronic devices and low-power, three-dimensional, non-von Neumann computing architectures. You will utilize ORNL's unique ultra-high-vacuum, glovebox, and ambient atomic force...

Requisition Id 16158 Overview: We are seeking a Maintenance Planner who will support the Asset Management section in the Nonreactor Nuclear Facilities Division (NNFD), Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). The role of the Maintenance Planner is to improve work force productivity and work quality by anticipating and eliminating potential delays through planning and coordination of manpower, parts and materials, and asset availability. A liaison between Operations and Maintenance, they are responsible for planning and coordination of all electrical and mechanical repairs, preventive maintenance, and project work. Planners are also responsible for maintenance records, work histories and equipment data for meaningful performance analysis and failure reporting. Major Duties/Responsibilities: Review and screen each request for completeness, accuracy and clarity of scope. Develop preliminary estimate if required to obtain...

Requisition Id 16157 Overview: The Information Technology Services Directorate (ITSD) in the Digital Services Infrastructure and Operations Division at the Oak Ridge National Laboratory (ORNL) is seeking qualified applications for the position of Network Engineer. The position's primary work duties are network engineering, system administration, and providing technical consulting to various work-for-others projects. Major Duties/Responsibilities: Management Cisco Identify Service Engine (ISE), Networking operations. Network design, configuration and troubleshooting. Lead daily secure operations of the network enclaves. Provide coordination, notification, escalation and documentation to resolve events/issues, efficiently minimizing customer impact. Interface with and provide outage reports to various levels of management. Assist with other tasks as needed or as assigned by management. Ensure systems are configured and maintained per cyber security common control...

Requisition Id 16166 Overview: The Programming Systems Group at ORNL seeks a forward-leaning Postdoctoral Researcher to advance research at the nexus of Agentic AI, high-productivity programming systems (Mojo, Julia, Rust, Python), and HPC system co-design. This position is embedded within the larger DOE ASCR ecosystem, with direct relevance to ongoing efforts, and related AI-for-HPC thrusts that emphasize modernization of scientific programming languages and workflows. This aligns with internal project directions emphasizing high-productivity languages (Python, Julia, Rust) and their emerging competitors/frameworks (Mojo and JAX) for extreme-scale heterogeneous systems. The selected researcher will explore how autonomous AI agents and LLM-driven code generation can co-evolve with next-generation language and compiler ecosystems to accelerate scientific software development at scale. Majot Duties/Responsibilities: Agentic AI for High-Productivity Languages: Develop...

Requisition Id 16167 Overview: The Multiphysics Modeling and Flows (MMF) Group in the Computational Sciences and Engineering Division is seeking a Postdoctoral Research Associate with expertise in computational mesh generation. In this role, you will apply your software engineering skills to develop and validate computational results that support large-scale, physics-based simulations across a variety of applications. Our Group: MMF is a computational multiphysics modeling group at the forefront of deploying novel computational engineering techniques for problems that are critical to U.S. national and energy security. We utilize our expertise in numerical discretization techniques, high performance computing, mesh generation, and geometry representation for a wide variety of physics applications. Our intention is to integrate computational modeling with experimental methods and provide innovative solutions for technology growth. We aspire to help generate technical...

Requisition Id 16156 Overview: The Human Resources Generalist provides operational support across the full employee lifecycle. This role supports HR programs and initiatives that ensure compliance with federal, state, and local employment regulations, as well as contract-specific requirements. The HR Generalist will work collaboratively with HR leadership and internal stakeholders to support a compliant, mission-focused, and employee-centered workplace. Major Duties/Responsibilities: Workforce Data & Reporting: Generate and analyze workforce data and standard HR reports to support HR decision-making. Maintain accurate employee records and ensure integrity of HRIS data. Assist with tracking workforce metrics, compliance requirements, and personnel documentation. Employee Lifecycle Support: Provide day-to-day operations support across recruitment, onboarding, performance management, and offboarding processes. Facilitate new hire orientation overviews to ensure a...

Requisition Id 16126 Overview: We are seeking a Nuclear Procurement Engineer who will focus on assuring the availability of certified spare parts and materials needed to maintain and operate the High Flux Isotope Reactor (HFIR) and Cold Neutron Source plant systems. HFIR is a category 1 nuclear facility and requires that a high degree of rigor be applied to HFIR nuclear procurement processes. This position resides in the Nuclear Materials & Procurement Group in the Business Management Services Section, Research Reactors Division, Neutron Sciences Directorate at Oak Ridge National Laboratory. As part of our team, the Procurement Engineer will play a vital part in the entire supply chain process for the HFIR, including but not limited to reactor materials procurement, commercial grade dedication, sourcing, material take-offs, expediting, receiving/handling, receiving inspection, counterfeit parts identification, non-conformance generation and resolution, and return...

Requisition Id 16130 Overview: We are seeking a Senior Enrichment Technology Technician who will focus on supporting research associated with the conceptualization, development, and deployment of enrichment technologies and systems. This position resides in the R&D Demonstration Group in the Enrichment Systems Fabrication and Demonstration Section, Enrichment Science and Engineering Division, Isotope Science and Engineering Directorate, at Oak Ridge National Laboratory (ORNL). The Enrichment Science and Engineering Division serves the nation in two critical areas: advancing enrichment technologies and exploring enriched stable isotope production applications. The division leverages an elite staff of scientists, engineers, and technicians with world-leading capabilities of Oak Ridge National Laboratory to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. As part of our team, you will work with...

Requisition Id 16014 Overview: We are seeking a Quality Representative to support the design, procurement, construction, and startup of the Enrichment Science and Technology Facility (ESTF) and associated Research, Development, and Pilot Production activities. This position resides in the Isotope Enrichment & Facilities Group within the Quality Assurance Division (QAD), Environment, Safety, Health, and Quality (ESH&Q) Directorate at Oak Ridge National Laboratory (ORNL) and is matrixed to the ESTF Project within the National Security Sciences Directorate. This role is a field-deployed and supplier-facing QA position supporting the full lifecycle of a first-of-a-kind research and manufacturing facility - from procurement of architect-engineer (A&E) design and construction through fabrication, installation, testing, and commissioning. You will work with engineering, procurement, construction, R&D, and production teams to ensure quality is designed, specified,...

Requisition Id 16144 Overview: The Oak Ridge National Laboratory has an opening for an Electrician. In this role you will, under limited supervision, perform electrical functions as well as other tasks as directed by management. Major Duties/Responsibilities: Troubleshoot, repair, maintain, replace and install automated equipment including electrical/electronic systems, circuits and equipment controls, sensors, valves and electrical motor drive controls as well as PLC installation. Test electrical systems or continuity of circuits in electrical wiring, equipment or fixtures using testing devices to ensure compatibility and safety of system. Inspect electrical systems, equipment, or components to identify hazards, defects, or the need for adjustment or repair and to ensure compliance with codes. Diagnose and repair components, equipment and systems using diagnostic equipment motors and actuators with an understanding of medium voltage grids. The incumbent will diagnose...

Requisition Id 16151 Overview: We are seeking a Business Operations Analyst for Business Management Services (BMS) in the Research Reactors Division (RRD) of Neutron Sciences Directorate (NScD). The mission of BMS is to provide excellent, efficient, and compliant nuclear grade services to support safe and reliable High Flux Isotope Reactor (HFIR) operations. The BMS Section is responsible for Reactor Certification and Qualification, Nuclear Materials and Procurement, Information Technology (IT) implementation, Document Control and Records management, financial planning, and budget management. The Business Analyst works closely with the BMS Section Head to coordinate and oversee a variety of business management activities to ensure operational excellence, strategic alignment, and organizational effectiveness within the section and the division. Major Duties/Responsibilities: Plan, forecast, and manage high value, multi-year budgets using the Integrated Work Plan (IWP)...

Requisition Id 16145 Overview: The Laboratory Protection Division (LPD) at the Oak Ridge National Laboratory (ORNL) is seeking a Locksmith to work as part of a cross-functional team responsible for supporting the protection of classified matter, special nuclear material, departmental assets, government property and personnel. The Locksmith is responsible for the implementation of the ORNL Lock and Key Program requirements to maintain accountability and integrity of ORNL locking systems as well as compliance with applicable DOE Orders. This position resides in the Physical Security Team in the Security Programs Group, Laboratory Protection Division, Facilities and Operations Directorate, at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Administer the ORNL Key and Lock Program to ensure accountability and integrity of institutional locking systems. Ensure program compliance with applicable DOE orders (e.g., DOE O 473.1A) and ORNL procedures; support...

Requisition Id 16124 Overview: We are seeking a Waste Operations Technician who will focus on facilitating physical management and disposal of hazardous, radioactive, and mixed waste from laboratory operations. This position resides within the Waste Handling and Facilities Operations Group of the Transportation and Waste Management Division; Environment, Safety, Health, and Quality Directorate at Oak Ridge National Laboratory (ORNL). As part of our team, you will be a member of the TWMD Waste Handling, Facilities, and Operations Team whose mission is to support the Laboratory by facilitating physical management of hazardous, radioactive, and mixed waste. Activities of this team include waste packaging, pick-up, transport, segregation, temporary storage, and inspection of waste and waste accumulation/storage areas. The Waste Handling Team also serves as members of the ORNL Hazardous Materials (Hazmat) Spill Response Team, serving as Hazmat Technicians during spills and other...

Requisition Id 16129 Overview: We are seeking an Enrichment Technology Technician who will focus on supporting research associated with the conceptualization, development, and deployment of enrichment technologies and systems. This position resides in the R&D Demonstration Group in the Enrichment Systems Fabrication and Demonstration Section, Enrichment Science and Engineering Division, Isotope Science and Engineering Directorate, at Oak Ridge National Laboratory (ORNL). The Enrichment Science and Engineering Division serves the nation in two critical areas: advancing enrichment technologies and exploring enriched stable isotope production applications. The division leverages an elite staff of scientists, engineers, and technicians with world-leading capabilities of Oak Ridge National Laboratory to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. As part of our team, you will work with other...

Requisition Id 16033 Overview: The U.S. Department of Energy plans to build a Radioisotope Processing Facility (RPF) at Oak Ridge National Laboratory (ORNL), which will transform U.S. capability to meet the growing demand for radioisotopes. ORNL is the largest multi-program science and energy laboratory in the Department of Energy system. This role directly supports mission-critical nuclear infrastructure and isotope production capabilities essential to national security and medical advancement. We are seeking a Nuclear Quality Representative to support the Radioisotope Processing Facility (RPF) Project and related nuclear facility activities. This position plays a critical role in ensuring implementation and oversight of quality assurance requirements in accordance with applicable project-specific quality and safety basis requirements. This position resides in the Isotope Enrichment & Facilities Group within the Quality Assurance Division (QAD), Environment, Safety,...

Requisition Id 16149 Overview: Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. Our diverse capabilities span a broad range of scientific and engineering disciplines, enabling the laboratory to explore fundamental science challenges and conduct the research needed to accelerate the delivery of solutions to the marketplace. The Radiation Transport and HPC Methods (RTHPCM) Group within the Nuclear Applications Methods and Data Section, Nuclear Energy and Fuel Cycle Division at ORNL is seeking candidates to apply for the computational nuclear engineer role. This role is responsible for the development and implementation of methods and numerical algorithms for modeling and simulation of nuclear systems. Computational Nuclear Engineers within the RTHPCM group will work with group, section, and division...

Requisition Id 16147 Overview: Oak Ridge National Laboratory (ORNL) is seeking a Group Leader for the Advanced Engineering Technologies (AET) Group within the Nuclear Nonproliferation Division (NND) in the National Security Sciences Directorate (NSSD). The Nuclear Nonproliferation Division conducts world-class research, technology development, risk assessment, and systems analysis in support of nuclear nonproliferation and counterproliferation missions. NND's work contributes to the development and implementation of national policies and technologies that strengthen global nuclear security. The Advanced Engineering Technologies Group focuses on developing innovative approaches for the operation, characterization, and analysis of nuclear fuel cycle processes. The group applies engineering principles to better understand and characterize complex processes and materials associated with the nuclear fuel cycle. AET collaborates closely with scientists and engineers across NND and...

Requisition Id 16013 Overview: We are seeking a Nuclear Quality Representative who will focus on implementing Quality program requirements in support of Research and Development (R&D) and Pilot Production activities progressing toward Demonstration and Production within the Enrichment Science and Engineering Division (ESED). This position resides in the Isotope Enrichment & Facilities Group within the Quality Assurance Division (QAD), Environment, Safety, Health, and Quality (ESH&Q) Directorate at Oak Ridge National Laboratory (ORNL) and is matrixed to the Systems & Process Assurance (SPA) Section within ESED. As a field deployed Nuclear Quality Representative, you will work with internal and external customers and other quality professionals to provide independent quality assurance support for the development of quality philosophy, techniques, procedures, process improvements, strategic planning, and other quality-related initiatives. The position encompasses...