Oak Ridge National Laboratory

Requisition Id 15385 Overview: We're hiring a Group Leader in Neutron Systems Engineering to oversee critical computing infrastructure for data acquisition, analysis, management, and instrument control systems, while collaborating with ITSD staff, scientific users, and colleagues in the Computing and Computational Sciences Directorate (CCSD). This position reports directly to the Research Computing Support Division Director. NScD operates the High Flux Isotope Reactor (HFIR) and the Spallation Neutron Source (SNS), supporting 32 instruments and hundreds of servers for neutron scattering research. These facilities enable more than 1,000 experiments annually across diverse scientific disciplines for over 3,000 visiting researchers. This position resides in the Neutron Systems Engineering group in the Research Computing Support division, in the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL). The group provides computing expertise and...

Requisition Id 16020 Overview: We are seeking a Postdoctoral Research Associate to reside within the Sample Environment and Labs Section, which is part of the Neutron Scattering Division (NSD), Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of the team, you will carry out in-situ studies of droplet interface bilayers (DIBs) using fluorescence microscopy techniques (confocal, multiphoton, fluorescence resonance energy transfer, total internal reflection fluorescence) and Flicker spectroscopy. You will also engage with neutron scattering researchers in mapping DIB experiments to neutron reflectometry studies. The main objectives are: (1) To implement fluorescence microscopy techniques and Flicker spectroscopy to studies of DIBs under electrical stimulation; (2) Use other physical characterization techniques (differential scanning calorimetry, dynamic light scattering, small angle neutron and/or x-ray scattering) to characterize the DIBs; and...

Requisition Id 15969 Overview: We are seeking a Supplier Lifecycle Specialist who will focus on the Ariba supplier Lifecyle process, including registration, registration updates, modular questionnaires, qualification questionnaires, SAP Network integration, and SAP business partners. The Supplier Lifecycle Specialist is responsible for managing, troubleshooting and resolving issues related to the supplier lifecycle process. This position will work with other internal organizations along with suppliers. This position is in the Contracts Small Business and Supplier Enablement Group in the Contracts Division, within the Business Services Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide technical guidance and support to resolve SAP Ariba and other system integration issues, troubleshoot errors, and optimize system performance. Lead the process for registering suppliers/businesses in the Ariba system using the Supplier Lifecycle...

Requisition Id 15967 Overview: Oak Ridge National Laboratory (ORNL) is seeking a Design Services Manager for the Second Target Station (STS) Project in the Neutron Upgrades Project Office. The STS Design Services Manager is responsible for the 3D CAD model and drawing development for the STS and manages a centralized group of designers for the project. This position is a key role in the project and is responsible for the quality of its design output. The Neutron Upgrades Project Office supports major capital projects for Oak Ridge National Laboratory's Neutron Scattering Research programs, including the Second Target Station Project. The Second Target Station Project is a ~$2 billion, Department of Energy project to be constructed at the ORNL Spallation Neutron Source (SNS). The STS will provide wholly new capabilities for the study of a broad range of materials with neutron scattering and support thousands of users from the physical, materials, and applied sciences and...

Requisition Id 16022 Overview: We are seeking a Computer Scientist or Engineer with a focus on Vulnerability Research 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 the identification and mitigation of software vulnerabilities used in defense, energy, and critical infrastructure assets. Research, develop and improve tools and techniques used to identify and mitigate vulnerabilities in critical systems. 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 vulnerability science. Promote ORNL/partners cyber security research and development capabilities as they apply to the national security community. Present material and provide advice to...

Requisition Id 15983 Overview: We are seeking an R&D Associate who will focus on developing and applying advanced signal processing, wireless communications, and AI techniques to RF sensing, drone detection, and power grid waveform analytics. You will apply methods traditionally used in wireless communications and signal intelligence - including time-frequency analysis, interference modeling, multi-sensor fusion, and propagation modeling - to develop AI-enabled detection, classification, and triangulation algorithms for critical energy infrastructure applications. This position resides within the Grid Communications and Security (GCS) Group in the Energy Sensing, Analytics, and Communications (ESAC) Section, Electrification and Energy Infrastructure Division (EEID) at Oak Ridge National Laboratory. Major Duties/Responsibilities: Develop and implement advanced time-frequency and spectral analysis techniques for high-frequency voltage/current waveform data Apply...

Requisition Id 16027 Overview: Oak Ridge National Laboratory (ORNL) is seeking a leader for our world class radioisotope production program. Supporting the largest radioisotope production and research portfolio within the Department of Energy (DOE) Office of Science for Isotope R&D and Production, this position will grant you the opportunity to work with rare nuclear materials and ensure the safe and effective execution of nuclear materials processing within nuclear and radiological facilities in the Bethel Valley area of the ORNL campus. This position resides within the Isotope Processing and Manufacturing Division (IPMD) at Oak Ridge National Laboratory (ORNL). IPMD is focused on the reliable delivery of radioisotope products to exacting quality standards. This work is performed within the unique facilities at ORNL, including the High Flux Isotope Reactor (HFIR), and several radiological and nuclear facilities throughout the ORNL campus containing shielded hot cells and...

Requisition Id 15968 Overview: We are seeking an experienced and highly motivated Talent Acquisition Partner to join ORNL's Talent Acquisition Division. In this strategic role, you will have a unique opportunity to shape the future of scientific discovery by attracting and securing top-tier scientific and technical talent. As a trusted advisor to hiring managers and business leaders, you will partner closely with stakeholders to develop innovative recruitment strategies, build robust talent pipelines, and deliver an exceptional candidate experience that reflects ORNL's commitment to excellence. Major Duties/Responsibilities: Partner with hiring managers and business leaders to understand current and future staffing needs, develop comprehensive recruitment strategies, and align talent acquisition efforts with organizational objectives. Design and implement innovative sourcing strategies to identify and attract high-caliber scientific and technical talent in competitive...

Requisition Id 16017 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 full-time Senior Artificial Intelligence and Machine Learning Research Scientist who will support the Cyber Resilience and Intelligence Division (CRID) in the National Security Sciences Directorate at ORNL. CRID provides new methods, tools, and strategies to detect and mitigate adversarial attacks on critical infrastructure and protections and...

Requisition Id 15787 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. The Fuel Cycle Analysis (FCA) Group seeks applicants to perform analysis and research in support of nuclear non-proliferation efforts, including nuclear material security and nuclear forensic analysis. The applicant will be responsible for analyzing information, producing written products, and briefing material to peers, management, and sponsors. The FCA Group...

Requisition Id 15754 Overview: We are seeking a Mechanical Engineer-PE, with experience in piping systems and fluid transfer including but not limited to: Engineering and design of pipe, pump, controls, and related in-line and on-line devices, who will support various Projects, Programs, and Operations. 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: Manage multiple design and construction projects simultaneously, within scope, schedule, budget and/or available funding, from conception to turn over to operations, Develop project definitions, scopes of work, methods of accomplishment, and project baseline forecasts that include schedules, and cost/spending profiles, Identify...

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...

Requisition Id 15974 Overview: We are seeking a Computer Engineer with a focus on Hardware Vulnerability Research 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 the identification and mitigation of software vulnerabilities used in defense, energy, and critical infrastructure assets. Research, develop and improve tools and techniques used to identify and mitigate vulnerabilities in critical systems. 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 vulnerability science. Promote ORNL/partners cyber security research and development capabilities as they apply to the national security community. Present material and provide advice to...

Requisition Id 16026 Overview: Oak Ridge National Laboratory (ORNL) is seeking a Construction Field Representative to oversee the construction activities of the Construction Manager/General Contractor (CM/GC) for the Second Target Station (STS)-a major Department of Energy project valued at approximately $2 billion. This role is part of the Conventional Facilities (CF) STS Project team. The STS will expand capabilities at ORNL's Spallation Neutron Source (SNS), enabling cutting-edge neutron scattering research across a wide range of materials. The project includes construction of multiple new facilities: the Target & Instrument Building, Ring to Second Target Tunnel (RTST), and Central Services/Utilities Building (CSB). Design is led by an external Architectural/Engineering (A/E) firm, with construction being executed through a Construction Manager/General Contractor (CM/GC). Major Duties/Responsibilities: Be the on-site specialist overseeing construction...

Requisition Id 15764 Purpose The Glenn T. Seaborg Initiative (GTSI) of Oak Ridge National Laboratory (ORNL) is committed to enhancing and maintaining US capabilities in actinide science and technology by helping to attract, develop, and retain the workforce of actinide scientists to meet the needs of the nation. Topic of Interest This position is supported by the Department of Energy Isotope Program (DOE IP) to advance the chemical processing of unique f-element isotopes, including Cf-252, Bk-249, Es-254, Fm-257, and Pm-147. A core focus of the DOE IP is to improve and develop novel chemical and physical processes for recovering and purifying radioisotopes from irradiated targets and waste streams. These efforts directly support the DOE IP mission to produce and distribute limited-supply radioisotopes, conduct transformative R&D in isotope production and separation, reduce U.S. dependence on foreign isotope sources, and strengthen domestic supply chains for national...

Requisition Id 15799 Overview: We are seeking a Procurement Officer III who will be responsible for planning, negotiating, awarding and administering subcontracts and purchase orders for professional and technical services, commercial items and specialized materials, equipment and/or commercial services with medium to high levels of complexity and value and independently providing procurement services and support for Laboratory customers. These responsibilities also include the following: pre-procurement planning with customers, pre-proposal conferences, facilitating concurrent reviews, leadership of subcontract negotiations, participation on process improvement teams, award of evaluated, best-value procurements, cost-type and cost-share subcontracts, and subcontract closeout. This position will focus on administering and managing subcontracts for services and equipment, with an emphasis on providing a high level of professionalism and customer services. Examples of...

Requisition Id 15961 Overview: We are seeking a Group Leader for the High Flux Isotope Reactor (HFIR) Mechanical Systems Engineering Group. This position resides in the HFIR Mechanical Systems Engineering Group in the HFIR Systems Engineering Section, Research Reactor Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). The HFIR Systems Engineering Section within the Research Reactors Division is responsible for the High Flux Isotope Reactor configuration management program. This group also provides technical support to operations and maintenance and performs system analysis. In this role you will function as a front-line supervisor for engineers who perform design engineering in support of modifications to mechanical systems at HFIR. You will also supervise engineers who conduct technical support for maintenance activities and conduct performance analysis of reactor systems. The Group Lead will also function as a cognizant system engineer for the...

Requisition Id 15963 Level: BP02 Overview: The Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL) is seeking a Programs and Planning Specialist to provide broad support to the directorate's proposal development processes. The ideal candidate would be highly organized and would have experience and significant background in proposal preparation, including supporting researchers in the production of proposals. PSD at ORNL delivers scientific discoveries and technical breakthroughs that will help realize solutions in energy and national security and provide economic benefit to the nation. Our portfolio includes materials science and engineering, chemistry, geoscience, nanoscience, soft matter science, analytical chemistry, and nuclear and particle physics applied to a broad range of scientific and technical challenges. PSD-led research plays a key role in the major cross-laboratory initiatives at ORNL, with activities that encourage translational...

Requisition Id 15919 Overview: We are seeking a Procurement Officer I who will provide advanced federal subcontract and procurement support to the Oak Ridge National Laboratory (ORNL). This position will focus on administering and managing low to medium complexity subcontracts and purchase orders for commercial services and materials, with an emphasis on delivering a high level of professionalism, regulatory compliance, and customer service. The successful candidate will lead acquisition strategies for medium to high-value, multi-year procurements, ensure compliance with FAR, DEAR, and DOE requirements, and serve as a subject matter expert on federal purchasing practices. Examples of procurement efforts could include managing and leading competitive solicitations for large, first-of-a-kind equipment purchases, professional and consulting services, and other complex commercial acquisitions. This role will also involve mentoring and training junior staff. Major...

Requisition Id 15960 Overview: We are seeking a highly skilled Robotics Engineer with expertise in designing, developing, and maintaining robotic systems for demanding applications. This position focuses on engineering sophisticated robotic manipulators for hot cell environments, where precise operations under hazardous conditions are critical. This position resides in the Facilities Management Section of the Non-Reactor Nuclear Facilities Division of the Isotope Science and Enrichment Directorate of Oak Ridge National Laboratory. Major Duties/Responsibilities: Design, simulate, and implement robotic systems and manipulators tailored for operation within hot cell environments. Develop robust, kinematic and dynamic models ensuring precision, safety, and reliability in hazardous conditions. Collaborate with multidisciplinary engineering teams to integrate control algorithms, sensor feedback, and human-machine interfaces. Conduct risk assessments and safety analyses for...