44 security clearance jobs found in Oak Ridge, TN

Requisition Id 16609 Overview: We are seeking an accomplished scientific and technical leader to serve as Division Director of the Fusion Engineering and Applied Materials Division (FEAMD) within the Fusion and Fission Energy Sciences Directorate (FFESD) at Oak Ridge National Laboratory (ORNL). Reporting to and working closely with the Associate Laboratory Director for FFESD, the Division Director will provide strategic leadership for ORNL's fusion engineering, plasma-material interaction, plasma-facing component and fusion-enabling technology programs. The Fusion Engineering and Applied Materials Division serves a critical role in advancing the science and technology required for practical fusion energy systems. The division includes leadership and operation of the Materials Plasma Exposure eXperiment (MPEX), world-leading capabilities in plasma-material interaction science, plasma-facing component technologies, fusion engineering, diagnostics and control systems, heating...

Requisition Id 16548 Overview: Oak Ridge National Laboratory (ORNL) is seeking a Team Lead for Classified Systems to guide a multidisciplinary team supporting national security missions across ORNL's classified and isolated computing environments. This position leads user support specialists, COMSEC officers, and systems engineers, including staff embedded directly within classified programs. As part of the Support Services & Isolated Environments Group, you will combine staff leadership, critical thinking, strategic planning, COMSEC oversight, and hands-on technical expertise to enable secure, reliable IT operations that protect ORNL assets while empowering mission success. Major Duties/Responsibilities: Team Leadership & Staff Development Lead, coach, and develop a diverse team spanning user support, COMSEC, and systems engineering roles. Provide performance management, annual planning, and ongoing professional development opportunities. Conduct routine...

Requisition Id 16551 Overview: Oak Ridge National Laboratory 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. We are seeking a Maintenance Engineer with experience in maximizing reliability and availability through preventative and predictive maintenance to improve mission outcomes including uptime, safe operation, and research continuity. This position is within the Plasma Enrichment Process Management Group, which is in the Enrichment Science and Engineering Division (ESED) at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Reliability & maintenance engineering Develop/optimize PM/PdM/CBM strategies (intervals, task lists, acceptance criteria). Lead RCA (5-Why, fishbone, fault tree) and drive corrective/preventive actions. Define reliability KPIs and dashboards (MTBF, MTTR, downtime, OEE) and use them to...

Requisition Id 16579 Overview: We are seeking a Computer Scientist or Engineer with a focus on cloud development who will support the Cyber Resilience and Intelligence Division in the National Security Science Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Support national security agendas as they relate to using cloud systems to identify threats to energy and critical infrastructure assets. Design, develop, and deploy cloud-native applications and non-native applications. Monitor application performance, scalability, and availability, while optimizing costs and performance. Implement security best practices, such as encryption and access control, to protect cloud-based applications. Maintain awareness and understanding of cyber security research and events. Contribute material to reports generated for project sponsors. Assist in the development of research proposals related to cloud deployments and critical infrastructure...

Requisition Id 16497 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation. We are seeking a Chemical Engineer who will focus on nuclear nonproliferation fuel cycle research. The candidate chosen for this position will be involved in work supporting the Nonproliferation Stewardship Program, the Nuclear Reference Material Program, and other related research efforts. This position resides in the Uranium Chemistry, Application, and...

Requisition Id 16567 Overview: We are currently seeking qualified applicants for Cyber Portfolio Staff Consultant for Cyber Sensing and Analytics (CSA) Group in the Cyber Resilience and Intelligence Division. The Staff Consultant position affords the unique opportunity to work on critical national security missions with a group of dedicated R&D professionals and establish ORNL as a premier R&D organization. The CSA Group researches and develops technologies to address risks within the national critical infrastructure with emphasis on energy, manufacturing, vehicles, and buildings. This position will participate in innovative Research and Development (R&D) for the group that strategically advances science and technology (S&T) consistent with ORNL's aspiration to be the world's premier R&D institution and ORNL's science culture. The Staff Consultant reports to the Group Leader and works closely with the R&D Section Head to direct the scientific vision;...

Requisition Id 16575 Overview: The Field Intelligence Operations Division (FIOD) is seeking a Cybersecurity Specialist to provide day-to-day support for Sensitive Compartmented Information (SCI) and Special Access Program (SAP) systems. Qualified applicants have Information Systems Security Officer (ISSO) experience to support FIOD Operations for classified operations across a wide-breadth of information environments. The ISSO supports the Information Systems Security Manager (ISSM) in the certification and accreditation of systems/networks and implementation of cyber security requirements and procedures across the National Security Sciences Directorate at Oak Ridge National Laboratory. This role ensures compliance with DOE and sponsor (e.g. DoW) security policies and procedures as outlined in System Security Plans (SSPs), with a focus on system operations, maintenance, and disposal. As part of our team, you will be joining a vibrant group of professionals eager to provide...

Requisition Id 16544 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. This position resides in the Plasma Enrichment Deployment & Engineering Group in the Plasma Enrichment Science & Engineering Section, Enrichment Science & Engineering Division, Isotope Science & Engineering Directorate, at Oak Ridge National Laboratory (ORNL). ESED is the national steward for research, development, and demonstration of enrichment technologies. ORNL is a recognized leader in centrifuge and electromagnetic enrichment technology. We are the stewards and dispensary of the nation's stable isotope inventory and have a legacy dating to the late 1940s. This division integrates the full enrichment process from chemical synthesis of feed materials through...

Requisition Id 16501 Overview: Oak Ridge National Laboratory 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. We are seeking a Dynamic Test Engineer who will support the Dynamic Testing Group in the Enrichment Science and Engineering Division (ESED), Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL) to support dynamic testing of enrichment devices. In addition, the Senior Dynamic Test Engineer will independently lead programmatic tasks and deliver improvements and solutions to meet the desired KPIs. 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 Oak Ridge National Laboratory (ORNL) to deliver...

Requisition Id 16118 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, Oak Ridge National Laboratory (ORNL) has an extraordinary history of solving some of the nation's most complex scientific and security challenges. ORNL's mission is carried out by a dedicated and creative staff working across disciplines to accelerate scientific discovery and translate research into impactful energy, environmental, and national security solutions. The Geospatial Data Modelling Group within the Human Dynamics Section, part of the Geospatial Science and Human Security Division at ORNL, is seeking a Geospatial Data Engineer to support research and operational workflows focused on scalable geospatial data science, applied machine learning, and production-grade engineering practices to deliver repeatable, defensible, and time-dynamic geospatial products in support of national security, humanitarian response, disaster assessment, and resilience planning. In...

Requisition Id 16407 Overview: The National Center for Computational Sciences (NCCS) at Oak Ridge National Laboratory (ORNL) operates the fastest High Performance Computers (HPC) in the world. We are seeking an experienced security engineer who can bridge hands-on engineering and security governance to ensure the security, performance, and reliability of the NCCS computing infrastructure. Our efforts support a highly-skilled user base consisting of the best-of-the-best science teams around the world. If you are excited about applying DevSecOps and risk-based security practices to HPC, come help us protect the integrity of open science publications and national interests that rely on NCCS supercomputing resources and expertise. The Team: The HPC Cybersecurity Engineering team is one half of the NCCS Security and Information Engineering Group. We architect, develop, deploy, and maintain the supercomputing-specific security program (an enclave within the broader ORNL...

Requisition Id 16603 Overview: We are seeking a motivated and capable leader to serve as Division Director of the Fuel Cycle Science and Technology Division at ORNL. Reporting to and working closely with the Associate Lab Director (ALD) of the Fusion and Fission Energy and Science Directorate (FFESD), the Division Director is responsible for advancing ORNL capabilities and interests in supporting advanced nuclear fuel cycles. ORNL, with FFESD at the lead, has world-class capabilities spanning nuclear fuel fabrication, advanced characterization, post-irradiation characterization, design and deployment of irradiation tests fielded in the High Flux Isotope Reactor and companion facilities, actinide chemistry, separations processes, used fuel handling, transportation, and nuclear waste forms. The incumbent will be responsible for developing and executing a vision that brings together capabilities from across ORNL to deliver technical understanding and solutions that address...

Requisition Id 16604 Overview: We are seeking a motivated and capable leader to serve as Division Director of the Nuclear Science and Engineering Division at ORNL. Reporting to and working closely with the Associate Lab Director (ALD) of the Fusion and Fission Energy and Science Directorate (FFESD), the Division Director is responsible for advancing ORNL capabilities and interests in supporting the nation's aspirations for nuclear energy development. ORNL, with FFESD at the lead, has world-class technical capabilities advanced nuclear reactor design, reactor and component simulation, development of computational tools and code development, nuclear sensors and instrumentation, neutronics, thermal hydraulics, criticality safety, and nuclear data. The incumbent will be responsible for developing and executing a vision that brings together capabilities from across ORNL to deliver technical understanding and solutions that address the needs of the expanding nuclear industry....

Requisition Id 16607 Overview: Oak Ridge National Laboratory (ORNL) is the U.S. Department of Energy's largest multi-program science and energy research facility. As a world-class innovation hub, ORNL conducts cutting-edge research in energy production, advanced materials, national security, environmental science, and computing. The laboratory is home to some of the most powerful supercomputers and state-of-the-art facilities in the world, enabling groundbreaking discoveries that address the nation's most pressing scientific and technological challenges. At ORNL, employees work alongside leading scientists, engineers, and industry partners in a collaborative environment that values curiosity, innovation, and impact. The laboratory is committed to advancing scientific knowledge, driving technological innovation, and delivering transformative solutions that improve quality of life and strengthen national security. By joining ORNL, you can become part of a mission-driven...

Requisition Id 16606 Overview: Oak Ridge National Laboratory (ORNL) is the U.S. Department of Energy's largest multi-program science and energy research facility. As a world-class innovation hub, ORNL conducts cutting-edge research in energy production, advanced materials, national security, environmental science, and computing. The laboratory is home to some of the most powerful supercomputers and state-of-the-art facilities in the world, enabling groundbreaking discoveries that address the nation's most pressing scientific and technological challenges. At ORNL, employees work alongside leading scientists, engineers, and industry partners in a collaborative environment that values curiosity, innovation, and impact. The laboratory is committed to advancing scientific knowledge, driving technological innovation, and delivering transformative solutions that improve quality of life and strengthen national security. By joining ORNL, you can become part of a mission-driven...

Requisition Id 16165 Overview: We are seeking a HFIR Shift Supervisor, which is responsible and accountable for the supervision of the High Flux Isotope Reactor (HFIR) shift operations. This position reports to the HFIR Operations Section Head and interfaces with all levels within the Research Reactors Division. This position resides in the HFIR Operations Section, Research Reactors Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Operation: Successfully conducts shift operations in accordance with plant procedures, HFIR Technical Safety Requirements, and Safety Analysis Report. Designated as the single point of control for authorizing, directing, supervising, and monitoring plant operations activities. Notifies higher management of occurrences as required. Supervises the HFIR operations functions required by Health Physics Manual, Security Plan, and their respective...

Requisition Id 16528 Overview: The Engineering Management Division (EMD) at the Oak Ridge National Laboratory (ORNL) seeks to hire a Design and Program engineer to support implementation of design and configuration management in the Research & Development (R&D) environment. This individual will also be responsible for management, implementation, and oversight of the site-wide glovebox lifecycle safety and integrity program. This position supports the management and implementation of ORNL's site-wide glovebox lifecycle safety and integrity program and assists R&D in safely defining their systems with engineering integrity and structured configuration management. Gloveboxes are typically used as an engineering control to protect workers from hazards and to control the atmosphere for work with air and moisture sensitive materials. R&D systems often incorporate engineered controls in their design to facilitate safe operation. This position will support R&D...

Requisition Id 16578 Overview: We are seeking an Application Developer who will focus on supporting enterprise IT applications and providing development and operational support for the enterprise document and records management system. You will be responsible for the development, maintenance, testing and on-going support of enterprise level application solutions. You will specialize in the development and support of web applications utilizing Vue.js, .NET, SQL Server databases, highly customized commercial off-the-shelf application products (COTS), and Documentum. This position resides in the Knowledge & Infrastructure Solutions team within the Software Engineering Group, Application Development Division, Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Contribute to the design, development, enhancement, maintenance, and support of custom enterprise applications and commercial off-the-shelf (COTS)...

Requisition Id 16489 Overview: We are seeking a Reliability Engineer who will focus on developing, implementing, and improving a reliability and asset management program for predictive operations for the systems within the Facilities and Operations (F&O) Directorate. This position resides in the Reliability Engineering Team in the Infrastructure Reliability Group in the Integrated Operations Support Division, F&O Directorate, at Oak Ridge National Laboratory (ORNL). As part of our team, you will collaborate with system stakeholders and various operations personnel to employ the reliability program for F&O managed equipment throughout ORNL facilities and systems. This position will provide reliability cultural leadership to system stakeholders to build a sustainable reliability and asset management program. Major Duties/Responsibilities: Support modeling facility power systems using SKM and conduct the necessary analysis which includes short circuit analysis,...

Requisition Id 16589 Overview: We are seeking an R&D Associate who is a highly motivated individual to dedicate alloy design, characterization, and evaluation studies in the field of powder metallurgy. The candidate is expected to join the research team focusing on designing alloys through mechanical alloying and experimentally investigating microstructure-property-process relationships in metal-based structural materials or components made through powder metallurgy. The candidate is also responsible for deriving next generation powder metallurgy technology development led through alloy and process design approaches. The candidate will have interest and experience in one or more topics listed below: Phase equilibrium (and non-equilibrium) and microstructure evolution in various alloy systems related to multi-phase containing metal-based structural materials Alloy and process design to produce metal-based structural materials through mechanical alloying and powder...