47 engineering jobs found in Oak Ridge, TN

Requisition Id 17223 Overview: We are seeking a Postdoctoral Research Associate who will focus on developing a relationship between alloy design, processing, and microstructural characterization of refractory and other high temperature alloys. Key activities include materials processing, microstructural characterization using scanning electron microscopy and electron backscatter diffraction, and mechanical testing. This knowledge will be used to assess the suitability of these materials for nuclear and space applications. This position resides in the Materials Processing Group within the Materials Science and Technology Division (MSTD) within the Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Develop processes for fabrication of novel high temperature materials using conventional and novel manufacturing techniques. Perform microstructural characterization of alloys and assist in correlating microstructure...

Requisition Id 17274 Overview: The Utilities Division (UD) is part of the Facilities & Operations (F&O) Directorate and is seeking an experienced Engineer for the position of Facilities Engineer - Steam Plant Systems to support the Mechanical Utilities Complex. UD is responsible for the operation and maintenance of all standard industrial-type utilities at Oak Ridge National Laboratory (ORNL), ensuring utility services are delivered safely, reliably, compliantly, and economically to support ORNL's research mission. The success of every research project at ORNL depends on the Utilities Division's ability to provide uninterrupted utility services. These utilities include electrical distribution; chilled water production and distribution; steam production and distribution; sewage collection and treatment; potable water storage and distribution; natural gas distribution; compressed air production and distribution; and stormwater control. The Steam Work Center is...

Requisition Id 17279 Overview: The Nonreactor Nuclear Facility Division (NNFD) is seeking a Senior Microsoft 365 Solutions Engineer to join the Design Engineering group as part of the Digital Solutions Team. This position will provide the technical capability needed to design, develop, integrate, and sustain digital solutions that support the modernization and strengthening of the Configuration Management program. Working closely with process owners, subject matter experts, system owners, and technical organizations, the Solutions Engineer will translate business and functional needs into practical, integrated solutions. Major Duties/Responsibilities: Design, develop, integrate, test, deploy, document, sustain, and continuously improve IEOS and related Microsoft 365 solutions. Work with process owners, subject matter experts, system owners, and technical organizations to translate approved business and functional requirements into practical digital solutions. Develop...

Requisition Id 17263 Overview: Oak Ridge National Laboratory (ORNL) is seeking a senior technical 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 produce life-saving medical radioisotopes and work with rare nuclear materials within the nuclear facilities in the Melton Valley area of the ORNL campus. The Radiochemical Engineering Development Center (REDC) Laboratory Chemical Operations (LCO) group resides within the Isotope Processing and Manufacturing Division (IPMD) at ORNL. IPMD is focused on the reliable delivery of radioisotope products to reach 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...

Requisition Id 17285 Overview: Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. Within ORNL, the Building Envelope Materials Research (BEMR) Group conducts research on materials, thermal management, infrastructure resilience, and technologies that improve the reliability and performance of energy systems to meet DOE's energy affordability and resiliency goals. We are seeking a Postdoctoral Research Associate to conduct research on the resilience of U.S. natural gas infrastructure during extreme cold-weather events. The successful candidate will investigate the causes and consequences of weather-related natural gas supply disruptions, develop modeling and analytical approaches to evaluate system vulnerabilities, and assess technologies and operational strategies that can improve infrastructure...

Requisition Id 16986 Overview: We are seeking a Mechanical Design Engineer who will provide mechanical engineering design support for Spallation Neutron Source (SNS) systems, with emphasis on remote handling, post-irradiation examination (PIE) support, activated component handling, and spent component disposal support. This position also provides remote handling technical support to operations personnel during maintenance outages. This position resides in the Target Engineering Group in the Target Development, Engineering & Operations Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide mechanical engineering design support for all phases of remote handling. Support fabrication, commissioning, operation, troubleshooting, and maintenance of remote handling tools and systems. Develop concepts to final detailed designs using Creo. Prepare plans, estimates, and...

Requisition Id 16728 Overview: The Manufacturing Energy Efficiency Research and Analysis (MEERA) Group at Oak Ridge National Laboratory (ORNL) is seeking a Technical Professional to support the U.S. Department of Energy's Better Buildings, Better Plants Program. This position will operate and continuously improve the Better Plants Diagnostic Equipment Program, which provides industry partners with access to energy measurement and diagnostic tools that support energy efficiency, reliability, and competitiveness goals. The selected candidate will serve as the primary technical and operational point of support for diagnostic equipment requests. The role will combine hands-on instrumentation, partner-facing technical assistance, inventory and calibration management, equipment readiness, field measurement support, and documentation. The candidate will work closely with ORNL researchers, technical account managers, DOE program staff, energy system experts, and manufacturing partners...

Requisition Id 16933 Level: TP04 Overview: The Design Engineering Group in the Nonreactor Nuclear Facility Division (NNFD) is hiring a Mechanical Design Engineer for its Mechanical Design Team. The engineer will work with project teams, discipline leads, and stakeholders to design and analyze mechanical systems for nuclear and radiological facilities. Projects include hot cells, gloveboxes, shielded carriers, lift fixtures, pressure vessels, process piping, confinement ventilation systems, and various tools for isotope research & production. Major Duties/Responsibilities: Define and record design requirements, connections, assumptions, and standards for each project. Check existing conditions through reviewing records, site visits, measurements, and inspections. Create calculations, analyses, specifications, and complete design documents; use a graded approach and clearly document decisions. Work with other engineers, designers, and stakeholders to coordinate...

Requisition Id 16802 Overview: We are seeking a Postdoctoral Research Associate for the development and application of advanced multiphysics simulations, and machine learning (ML) methods relevant to additive manufacturing (AM), virtual manufacturing, material characterization, topology optimization, and real-time sensing. This position resides in the Computational Sciences and Engineering Division (CSED) at Oak Ridge National Laboratory (ORNL). CSED focuses on transdisciplinary computational science and analytics at scale to enable scientific discovery across the physical sciences, engineered systems, and biomedicine and health. It provides foundations and advances in quantum information sciences to enable quantum computers, devices, and networked systems. It develops community applications, data assets, and technologies and provides assurance to build knowledge and impact in novel, crosscut-science outcomes. The candidate will be a postdoctoral researcher within the...

Requisition Id 17182 Overview: We are seeking a Nuclear Criticality Safety Program Lead who will focus on being the chief programmatic and technical authority for Oak Ridge National Laboratory's Nuclear Criticality Safety Group. This position resides in the Nuclear Criticality Safety Group\ in the Nuclear Facility Safety Division, of the Environment Safety Health & Quality Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Reports to the NFSD Director. Serves and the chief programmatic and technical lead for the ORNL NCS Program. Provides recommendations to management regarding Nuclear Criticality Safety issues. Supports the NFSD Director in developing strategic and tactical policies that affect the production and maintenance of safety envelopes for all ORNL nuclear facilities. Provides technical mentoring to all NCS Program Staff. Delivers ORNL's mission by aligning behaviors, priorities, and interactions with our core values...

Requisition Id 17146 Overview: We are seeking a Postdoctoral Research Associate in Quantum Optics and Bioimaging to develop squeezed-light sensing and quantum-enhanced microscopy for label-free imaging of cells and tissues. This position resides in the Quantum Computing and Sensing Group in the Computational Science and Engineering Division (CSED), Computing and Computational Sciences Directorate (CCSD), at Oak Ridge National Laboratory (ORNL). The researcher will work with an interdisciplinary team of optical scientists, quantum researchers, biologists, and computational researchers. Major Duties/Responsibilities: Design, assemble, align, and characterize optical instrumentation for squeezed-light sensing and microscopy. Benchmark quantum-enhanced measurements against coherent-light measurements at comparable sample illumination and acquisition time, progressing from reference samples to biological specimens. Collaborate with biology teams to image cells and tissues...

Requisition Id 17218 Overview: We are seeking a Postdoctoral Research Associate who will reside in the Geochemistry and Interfacial Sciences Group in the Chemical Science Division (CSD) at Oak Ridge National Laboratory (ORNL). The selected candidate will work collaboratively with scientists in CSD to develop an understanding of the stability of precipitated amorphous materials and their reactivity. The research will also take advantage of other DOE user facilities, e.g., the Spallation Neutron Source (SNS) at ORNL or at the Advanced Photon Source (APS) at Argonne National Laboratory. The Postdoctoral Research Associate will focus on scientific projects to advance our understanding of critical elements residing in minerals and from amorphous to crystalline transitions leading to mineral formation. The successful candidate will work as part of a team whose interests include, but are not limited to, contaminant fate and transport in subsurface geologic environments, crystal...

Requisition Id 17236 Overview: Oak Ridge National Laboratory (ORNL) is seeking a Group Leader for the new Stable Isotope Chemical Research and Processing (SCRP) Group within the Electromagnetic-Enrichment and Stable Isotope Science Division (ESSD). ESSD supports the DOE Office of Isotope R&D and Production (DOE-IRP) by advancing the nation's stable-isotope capabilities and delivering enriched stable isotopes, purified isotopic gases, and customized isotope materials for national security, research, medicine, industry, and emerging needs. As part of this mission, ESSD and DOE-IRP are rebuilding a domestic supply chain for enriched stable isotopes through modern electromagnetic isotope separation (EMIS) facilities. ESSD also uses engineering, automation, and data-driven methods to improve safety, reliability, efficiency, flexibility, and cost effectiveness. The SCRP group is a key part of these efforts, harvesting enriched materials, purifying them, and converting them into...

Requisition Id 17241 Overview: We are seeking a Design Engineer who will focus on designing, deploying, and improving instruments for the neutron science community at ORNL's High Flux Isotope Reactor (HFIR) and the Spallation Neutron Source (SNS). This position resides in the Instrument Project Engineering Group in the Neutron Technologies Engineering Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of our engineering team, you will have the opportunity to design, procure, and oversee installation and commissioning of new instruments and upgrades to existing instruments, including the design of one-of-a-kind and first-of-a-kind components and systems. Typical instrument components include vacuum and/or pressure vessels, equipment positioning devices, personnel safety systems, neutron and biological shielding, optical components and more. You will work with other engineers in the directorate and the...

Requisition Id 17217 Overview: We are seeking a technical staff professional to support corrosion science research in extreme environments. This role focuses on leading and managing research tasks and work packages, conducting high-temperature and high-pressure corrosion experiments, assisting with microscopy and image analysis workflows for characterizing materials exposed to harsh environments, and leading corrosion data management efforts while overseeing material inventory. The position resides in the Corrosion Science and Technology (CST) Group within the Materials Science and Technology Division (MSTD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). As a TP03-level technical professional, you will take on leadership responsibilities across CST's DOE-funded programs. This includes leading and managing project tasks and work packages, coordinating planning and resourcing of experimental and characterization activities, and serving as a...

Requisition Id 17257 Overview: We are seeking a postdoctoral researcher who will focus on synthesis of organic and organometallic compounds with applications in harsh environment materials. The postdoctoral researcher will also be involved in developing formulations and processes for infiltrating preceramic polymer and organometallic compounds in fiber based preforms to manufacture ultrahigh temperature compounds (UHTC's) structures. Knowledge of organic chemistry, synthetic methods, and the skill to work with air and/or water reactive compounds in an inert atmosphere glovebox and/or Schlenkline is a mandatory requirement. Additional experience with composite fabrication and basic knowledge of mechanical testing associated with composite material evaluations will be considered a plus. As part of our research team, you will be among team members working in the Chemical Sciences Division (CSD) and the Manufacturing Demonstration Facility (MDF), the Department of Energy's...

Requisition Id 16512 Overview: We are seeking a Chief Safety Basis Engineer who will primarily focus on safety basis quality and adequacy for all nuclear facilities at Oak Ridge National Laboratory (ORNL). The Chief Safety Basis Engineer is the senior nuclear safety engineer within ORNL's Nuclear Facility Safety Division (NFSD). Nuclear Facilities Safety Division resides in the Environment Safety Health & Quality (ESH&Q) Directorate at ORNL. As part of our team, you will be given the opportunity to grow in leadership while contributing to the team environment to accomplish the tasks needed to support safe and efficient operations of the HFIR reactor and non-reactor nuclear facilities across the ORNL compass. The successful candidate must be a leader with the ability to communicate with various levels of management and engineering disciplines, build team cohesion, and one who values diversity of opinion, education, and experiences. Major Duties/Responsibilities:...

Requisition Id 16693 Overview: We are seeking a Cooling Systems Engineer to provide technical engineering oversight of cooling systems supporting the Spallation Neutron Source (SNS) and High Flux Isotope Reactor (HFIR). 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 systems-level engineering support on piping specification, material selection, heat exchanger thermal sizing, and pump selection, translating decisions into clear direction for designers and technicians. Perform hydraulic and CFD analysis to evaluate system performance, support design changes, and guide equipment selection. Evaluate operational data from facility monitoring software to identify performance trends and recommend improvements. Review cooling system components - piping, pumps, water treatment - and provide engineering support...

Requisition Id 16779 Overview: We are accepting applications for Postdoctoral Research Associate positions in Data Science for Advanced Manufacturing that will focus on the development of next-generation, data-driven manufacturing systems that integrate artificial intelligence, real-time sensing, and digital twins to transform how critical components are designed, produced, and qualified. The selected candidates will conduct research in data science and AI to develop scalable, deployable methodologies to assess and to improve manufacturing quality, efficiency, and certification readiness. This position resides in the Manufacturing Systems Analytics group in the Digital and Secure Manufacturing Section, Manufacturing Science Division, Energy Science and Technology Directorate (ESTD) at Oak Ridge National Laboratory (ORNL). You will work at the MDF to advance digital manufacturing technologies and to accelerate their deployment to industry and national scale applications. The...

Requisition Id 17253 Overview: Oak Ridge National Laboratory (ORNL) is seeking a well-recognized and highly collaborative Energy-Water Research and Partnerships Lead to provide scientific and strategic leadership at the intersection of energy and water systems. As a senior consultant, the successful candidate will grow and manage a robust portfolio of technical projects; establish strong, long-term working relationships with government, industry, utilities, academic institutions, community partners, and other stakeholders; and apply advanced scientific and engineering insights to develop practical, real-world solutions for complex energy-water challenges. This position will guide technical strategy and partnership efforts that address the interconnected challenges of energy production, water availability and quality, infrastructure reliability, climate resilience, environmental stewardship, and the equitable deployment of advanced technologies. The Energy-Water Lead will...