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Oak Ridge National Laboratory is the Department of Energy’s largest science and energy laboratory with over 5,800 staff from more than 60 countries, 3,000 guest researchers, and a budget of approximately $1.4 billion. The Lab supports the DOE's mission by providing solutions to strengthen the nation’s leadership in key areas of science; increase the availability of clean, abundant energy; restore and protect the environment; and contribute to national security. Career opportunities include internships, postgrads, postmasters, postdoc appointments, distinguished fellowships, business and technical professionals, full-time research staff, and joint faculty appointments. ORNL provides the opportunity to make an important national and even worldly impact. With over 5,800 staff, almost 500 interns every summer, the world’s best neutron source, one of the fastest supercomputers, and over a dozen world-class facilities, the possibilities are endless.
Apr 12, 2026
ORNL TN
Requisition Id 16169    Overview: The Environmental Sciences Division (ESD) of Oak Ridge National Laboratory (ORNL) has an opening for a Data Systems Software Engineer II, in its Earth Sciences Informatics portfolio. You will help develop modular and scalable software tools and infrastructure for data processing and data center operations in the Earth, climate, and environmental sciences, such as the Atmospheric Radiation Measurement (ARM) Data Center.   Major Duties/Responsibilities: ARM Data Center processes, archives and distributes atmospheric observations from observatories across the globe and provides computational infrastructure and analysis tools for the scientific community. In this position, you will: Work independently and as part of a team to research, develop and operate back-end data analysis workflows and processes at scale in a HPC environment. Design and develop new creative solutions for increasing large volumes of historical...
Apr 12, 2026
ORNL TN
Requisition Id 16198    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 Cybersecurity Research Assistant who will support the Cybersecurity Research Group in the Cyber Resilience and Intelligence Division, National Security Sciences Directorate at Oak Ridge National Laboratory (ORNL).         Major Duties/Responsibilities:    Support with designing, configuring, and running advanced cybersecurity experimentation testbeds Write software to support cutting edge research and facilitate Proof of Concept demonstrations Implement, evaluate, and enhance machine learning pipelines for cybersecurity applications   Basic Qualifications:   An M S in computer science, mathematics, or a related field...
Apr 12, 2026
ORNL TN
Requisition Id 16097    Overview: We are seeking a Superconducting Magnet and Cryogenic Engineer to support superconducting magnet testing and development as it pertains to fusion and other high field enabled environments and applications. The successful candidate will be working with on the completion and installation of the superconducting magnets for MPEX and development of the design and implementation test capabilities supporting high temperature superconducting magnet development in extreme environments for high field applications of interested to ORNL across different directorates.   This position resides in the Fusion Technology Group of the Fusion Nuclear Science and Technology Section of the Fusion Energy Directorate (FED) at Oak Ridge National Laboratory.   Major Duties/Responsibilities:  Support developing and performing complex research and engineering projects related to superconducting magnets, associated cryogenic materials and...
Apr 12, 2026
ORNL TN
Requisition Id 16176  ­­Overview:   We are seeking a Composites Process Engineer who will focus on manufacturing process development and deployment of polymer composites. This position resides in the Manufacturing Process Engineering Group in the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Enrichment Directorate (ISED) at Oak Ridge National Laboratory (ORNL). 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 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 technology; and delivers stable isotopes...
Apr 12, 2026
ORNL Remote (TN)
Requisition Id 15960    ­­Overview:   We are seeking a highly skilled Remote Handling 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....
Apr 12, 2026
ORNL TN
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,...