24 security clearance jobs found in Oak Ridge, TN

Requisition Id 16472 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. The Enrichment Science and Engineering Division (ESED) seeks to hire an ESED Facilities Infrastructure Specialist, reporting to the Enrichment Operations Manager. 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 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 innovations; advances electromagnetic isotope separations...

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 16383 Overview: We are seeking a Cybersecurity Operational Technology (OT) Engineer to support the protection, monitoring, and modernization of OT and Industrial Control System (ICS) environments within the Cybersecurity Division's Cyber Enhancements Group. This role is responsible for engineering, operating, and enhancing OT cybersecurity capabilities to improve visibility, detection, and response across industrial and research control systems while ensuring alignment with applicable regulatory and compliance requirements. In this role, the engineer will focus on maintaining and advancing OT security monitoring platforms, supporting threat detection and response activities, collaborating with operations teams to modernize legacy ICS environments, and developing standardized processes for monitoring, investigating, and responding to OT related cyber events. The position works closely with Defensive Cyber Operations, Cyber Policy & Risk Management,...

Requisition Id 16074 Overview: We are currently seeking qualified applicants with Information Systems Security Officer (ISSO) experience to support the Field Intelligence Operations Division's classified operations in the areas of Classified Intelligence Information Technology (IT)/Information Assurance (IA), Classified R&D Computing, and physical and personnel security in the Field Intelligence Operations Division (FIOD) - where cutting-edge research and technology meets national defense. Under the Department of Energy (DOE), Office of Intelligence and Counterintelligence (IN) authorities, the FIOD serves as the ORNL focal point for all intelligence community matters and supports national security science by providing secure IT, communications, facilities, and analysis. Purpose: The ISSO will assist the Information Systems Security Manager (ISSM) in the certification and accreditation (C&A) of systems/networks and implementation of cyber security requirements and...

Requisition Id 16469 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an 80-year legacy of supporting the nation's security and strategic missions. ORNL is home to more than 7,000 dedicated, innovative staff. In addition to cutting edge science, ORNL's work includes protecting sensitive technologies and ensuring compliance with U.S. laws and international obligations designed to prevent the spread of weapons of mass destruction and their delivery systems. The Nuclear Nonproliferation Division (NND) at ORNL advances U.S. export control and nonproliferation objectives by providing subject matter expertise that strengthens national security policy, supports regulatory improvements, and enhances compliance and implementation at both localized and federal levels. Within NND, the Nonproliferation Safeguards and Treaty Verification Section provides direct support to the DOE and the National Nuclear Security Administration (NNSA) to help...

Requisition Id 16454 Overview: We are seeking a Waste Services Representative (WSR) who will provide technically defensible waste characterization documentation to support the safe and compliant disposition of wastes generated at ORNL. This position resides in the Customer Interface Section, Transportation and Waste Management Division (TWMD), Environmental, Safety, Health & Quality (ESH&Q) Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Assesses waste management practices to ensure compliance with relevant regulations and internal policies. Implement processes to improve waste characterization, storage, and disposal. Develops more complex solutions to address waste management challenges and integrates best practices into daily operations. Directs individuals to adhere to established waste management protocols and fosters a culture of safety and environmental responsibility. Assesses waste management systems to ensure...

Requisition Id 16426 Overview: We are seeking a Mechanical Engineer who will focus on daily operations and maintenance of mechanical utility systems. This position is for the Chilled Water Work Center of the Mechanical Utilities Complex in the Utilities Division of the Facilities & Operations Directorate at the Oak Ridge National Laboratory (ORNL). The Chilled Water Work Center is responsible for supplying chilled, medium-temperature, high-temperature, heating, and hot water for buildings and computing systems all over the ORNL main campus. This position is the resident authority on engineering aspects related to system operations and maintenance, provides technical input to support troubleshooting and maintenance, and gives guidance and recommendations concerning new projects or system modifications. This position interacts with operations, maintenance, management, customers, and sub-contractors routinely, so good written and oral communication skills are required. Major...

Requisition Id 15574 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 invite applications for a Principal Engineer for Geospatial Computing Infrastructure. This dynamic and visionary leader will launch and build a next-generation Geospatial Data & Computing Center to support ORNL's geospatial high-performance computing (HPC) research portfolio within the Geospatial Science and Human Security Division. ORNL is the nation's...

Requisition Id 16431 Overview: We're hiring a Senior AI Software Engineer who has AI/ML development and deployment skills! The position and its focus are to design, develop and move to production AI/ML tools and analytics that enhance and evolve business operations and scientific decision-making capability and related activities at ORNL. Qualified applicants will have a solid foundation of Generative AI and Machine Learning skills. This position resides in the AI Operations Program office within the Application Development Division of the Information Technology Services Directorate. Our AI/ML models are heavily centered on Microsoft Azure and related AI cloud technologies with High Performance Computing (HPC) for on premise AI environments and Azure, AWS, and GCP for off premise environments. Major Duties/Responsibilities: Development and support of models utilizing AI/ML and Microsoft Azure, Google Vertex AI, AWS Bedrock. Collaboration with business and classified...

Requisition Id 16429 Overview: We are hiring a HPC Systems Engineer to design, operate and maintain clusters, servers, and workstations supporting services where science happens at ORNL! This position resides in the Emerging Technologies & Computing team in the Research Computing group in the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL). The Emerging Technology Computational Group facilitates ORNL goals through HPC systems engineering, integration, and support for the research community at ORNL. By providing design, deployment, optimization, monitoring, and tooling support across multiple clustered infrastructures, we facilitate Lab-wide R&D projects. Our HPC clusters range in scope from just a handful of nodes to over fifty-thousand cores. We partner with ORNL research organizations to enable research excellence and delivery. We work with other clustered computing and HPC groups to help research programs identify the best...

Requisition Id 16424 Overview: Oak Ridge National Laboratory (ORNL) is seeking a research and development staff scientist for our world class radiochemistry/radiochemical engineering program. You will support the largest radioisotope production and research portfolio within the Department of Energy (DOE) Office of Science for Isotope R&D and Production, as well as extensive isotope production programs for the DOE Office of Nuclear Energy and National Nuclear Security Administration. This position will grant you the opportunity to work with rare nuclear materials as part of both established and emerging radioisotope production programs, as well as advance development of novel separations, analytical techniques, and isotope applications. This position resides within the Process Coordination Group of the Radioisotope Science and Technology Division (RSTD). The highly accomplished staff within the RSTD use the unique facilities at ORNL, including the High Flux Isotope Reactor...

Requisition Id 16358 Overview: We're hiring a Business Relationship Manager who will serve as a strategic partner to ORNL's research directorates! This position is in the Research Computing division, in the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL). Research Computing's mission is to provide embedded IT Support to enable and advance ORNL research through delivery of innovative, cost-effective technology solutions, providing an efficient IT user experience, while continuously improving performance, reducing complexity and risk. You will work closely with the research directorate to understand their needs, challenges and help provide a productive, efficient relationship between the directorate and IT Services within ORNL. You will gather new requests and work with research programs in translating programmatic deliverables to baseline IT scope and architecture requirements. Major Duties/Responsibilities: Partnership Engagement:...

Requisition Id 16063 Overview: The Centrifuge Science (CS) Section within the Enrichment Science and Engineering Division (ESED) at Oak Ridge National Laboratory (ORNL) is seeking an Electric Motor Researcher for the Mechanical Systems Modeling (MSM) Group. The Electric Motor Researcher will conduct detailed analysis of electric motors and motor drive systems used in gas centrifuge applications. This role involves troubleshooting electric motor systems, guiding experimental validation, and supporting the development of advanced electromagnetics solutions. ESED serves the nation in two critical areas: advancing enrichment technologies and exploring enriched 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 research,...

Requisition Id 16393 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. Key Responsibilities: Develop and validate Virtual Clinical Trial (VCT) frameworks to simulate patient populations and evaluate the efficacy of radiopharmaceutical interventions and imaging protocols. Integrate AI/ML techniques with Monte Carlo simulations (e.g., Geant4, MCNP) to accelerate radiation transport calculations and image reconstruction workflows....

Requisition Id 16396 Overview: We are seeking a Mechanical Engineer with experience in piping and mechanical utility systems, including but not limited to: Potable Water, Steam, Condensate, Natural Gas, Compressed Air, Sanitary Sewer, Cooling Towers, Chillers, heat exchangers, and other utility systems. This role will support various infrastructure and utility projects through their full life cycle, from concept to design to construction and startup. This role includes supplying technical and field oversite on various projects across the ORNL reservation. This position resides in the Utilities and Site Modernization Team within the Laboratory Modernization Division, part of the Facilities & Operations Directorate, at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide technical support for multiple design and construction projects simultaneously, supporting the projects from conception to startup, Develop conceptual sketches, scopes of work,...

Requisition Id 16385 Overview : Oak Ridge National Laboratory (ORNL) seeks a visionary and mission-driven Chief Science and Technology Strategist (CSTS) to serve as a senior leader within a major research directorate with an annual portfolio of approximately $600M. Reporting directly to the Associate Laboratory Director (ALD), the CSTS will play a critical role in shaping the directorate's scientific and technological direction, ensuring alignment with national priorities, and strengthening ORNL's leadership in emerging and mission-relevant domains. The CSTS will serve as a principal advisor to the ALD on current and future science and technology trends, with particular emphasis on quantum technologies, artificial intelligence, advanced computing, and information dominance. The role requires a nationally recognized leader with deep technical expertise, strategic vision, and a demonstrated ability to build and sustain high-impact programs in complex, classified, and...

Requisition Id 16391 Overview: The Quantum Communications and Networking Group, within the Quantum Information Sciences Section, Computational Sciences and Engineering Division at Oak Ridge National Laboratory, is seeking a research and development (R&D) Scientist. Major Duties/Responsibilities: Participate in new and ongoing research on classical and quantum optics communications and sensing projects. Formulate novel classical and quantum optical sensing solutions to problems of national interest and support the research and development necessary for the practical implementation of those solutions Participate in field testing and demonstrations Interpret, report, and present research concepts and results to national audiences at all levels Write peer-reviewed papers and technical reports for internal and external release and represent the organization by giving technical presentations in large public forums Deliver ORNL's mission by aligning behaviors,...

Requisition Id 16046 Overview: The Computer Science and Mathematics Division (CSMD) is seeking an internationally recognized and research active computational scientist to lead and grow world class research capabilities focused on solving the world's most challenging problems through artificial intelligence and data driven algorithms and systems. CSMD creates the mathematics, artificial intelligence, and architecture-aware algorithms that harness machines, ideas, and data to enable far reaching scientific breakthroughs. We develop computer innovations and advanced practical tools to address scientific discovery, technology and national security challenges. CSMD delivers fundamental and applied research capabilities in a wide range of areas, including applied mathematics and computer science, decision science, discrete algorithms, multiscale methods, experimental computing systems, scalable algorithms and systems, artificial intelligence and machine learning, data management,...

Requisition Id 16005 Overview: The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world's most powerful computer systems, is seeking a highly qualified individual to play a key role in improving the security, performance, and reliability of the NCCS computing environments. This includes supporting one of the fastest supercomputers in the world, Frontier, along with numerous commodity clusters and specialized programs and partnerships. Frontier is one of the scientific research community's most powerful computational instruments for exploring solutions to some of today's most challenging problems. As an HPC Linux Systems Engineer, you will work within the HPC Scalable Systems Group inside of the NCCS Systems Section to support numerous activities of the center. The Scalable Systems group oversees, administers and supports system installation, deployment, acceptance, performance testing, upgrades, problem...