Oak Ridge, Tennessee, United States · On-site
Requisition Id 16949 Overview: We are seeking a Postdoctoral Research Associate who will focus on efforts related to gas dynamics, fluid flow, and mass transfer. This position resides in the Applied Materials Analysis in…
Skills: Gas dynamics, Fluid flow, Mass transfer, Process modeling, Chemical engineering
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16962 Overview: We are seeking a Soft Matter Scientific Associate who will focus on experimental support for neutron scattering experiments on soft matter systems with a focus on liquid handling. This posi…
Skills: Neutron scattering, Soft matter, Liquid handling, Flow devices, Sample environment
Oak Ridge, Tennessee, United States · On-site
$86k–$136k/yr
At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effect…
Skills: Rotordynamics, Dynamic testing, Signal processing, Software development, Python
Oak Ridge, Tennessee, United States · On-site
$175k–$238k/yr
At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effect…
Skills: Program management, Project management, Nuclear engineering, Regulatory compliance, Risk management
Oak Ridge, Tennessee, United States · On-site
Boston Government Services, LLC. (BGS) is seeking a Systems Engineer to support our client in Oak Ridge, TN. BGS is an engineering, technology, and security firm helping to advance missions of national importance for gov…
Skills: Systems Engineering, Requirements Management, MBSE, Technical Documentation, Interface Management
Oak Ridge, Tennessee, United States · On-site
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). …
Skills: Piping Specification, Material Selection, Heat Exchanger Thermal Sizing, Pump Selection, Hydraulic Analysis
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16807 Overview: We are seeking an Accelerator Facility Safety Engineer who will focus on performing, documenting, and maintaining technical safety documentation for ORNL accelerator facilities. This positi…
Skills: Technical Safety Analysis, Hazard Analysis, Radiological Safety, Health Physics, Shielding Assessment
Oak Ridge, Tennessee, United States · On-site
Sr. Architect Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage…
Skills: Architecture, Construction methodology, Material application, International Building Code, Revit
Oak Ridge, Tennessee, United States · Remote OK
$175k–$190k/yr
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by pu…
Skills: Electrical Engineering Design, Construction Support, Short Circuit Analysis, NEC Knowledge, Technical Leadership
Oak Ridge, Tennessee, United States · Remote OK
$40/hr–$60/hr
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by pu…
Skills: BIM Modeling, Revit, Tekla, Navisworks, AutoCAD
Oak Ridge, Tennessee, United States · Hybrid
Requisition Id 16943 Overview: We are seeking an Infrastructure Services Engineer who will focus on specializing in monitoring and observability. This position resides in the Infrastructure Operations Center (IOC) in the…
Skills: Monitoring, Observability, PowerShell, Python, Cloud Infrastructure
Oak Ridge, Tennessee, United States · Remote OK
$105k–$170k/yr
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by pu…
Skills: Structural Engineering, FEA Software, Seismic Design, Steel Design, Concrete Design
Oak Ridge, Tennessee, United States · On-site
Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory aut…
Skills: C#, C++, .NET, JavaScript, TypeScript
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16946 Overview: We are seeking a Computational Instrument Scientist who will focus on developing software analysis tools for the powder diffraction instruments. This position resides in the Powder Diffra…
Skills: Scientific software development, Neutron scattering, Powder diffraction, Data reduction, Data analysis
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16947 Overview: We are seeking a Fuel Cycle Nuclear Engineer to focus on applications related to storage and transportation of spent nuclear fuel and high-level radioactive materials. This position resid…
Skills: Nuclear engineering, Spent nuclear fuel management, Mechanical engineering analysis, Thermal analysis, Structural analysis
Oak Ridge, Tennessee, United States · Remote OK
$30/hr–$48/hr
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by pu…
Skills: BIM Modeling, Revit, Tekla, AutoCAD, MicroStation
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16942 Overview: The US ITER Project of the Oak Ridge National Laboratory (ORNL) seeks a skilled Project Controls Manager to manage a team of project controls specialists for the multi-billion dollar US ITE…
Skills: Project controls, Earned Value Management, EVM, Risk management, Budgeting
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16953 Overview: The Stable Isotope Materials and Chemistry Group (SIMC) within the Plasma Enrichment Science and Engineering Section is seeking a Stable Isotope Processing Chemist will focus on chemical op…
Skills: Inorganic Chemistry, Analytical Chemistry, Mass Spectrometry, Electron Microscopy, Chemical Conversion
Oak Ridge, Tennessee, United States · On-site
Requisition Id 16952 Overview: The Stable Isotope Materials and Chemistry Group (SIMC) within the Plasma Enrichment Science and Engineering Section is seeking a Stable Isotope Processing Chemist who will focus on chemica…
Skills: Inorganic Chemistry, Analytical Chemistry, Chemical Conversion, Mass Spectrometry, Electron Microscopy
Oak Ridge, Tennessee, United States · Remote OK
$90k–$160k/yr
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by pu…
Skills: Electrical Engineering Design, Construction Support, Short Circuit Analysis, NEC Knowledge, Arc Flash Analysis
Oak Ridge, Tennessee, United States • On-site
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
The Postdoctoral Research Associate will develop and validate models for gas transport and process behavior in industrial systems. They will also plan and execute experiments to support modeling efforts and contribute to technical reports and research publications.
Candidates must hold a PhD in Chemical Engineering, Mechanical Engineering, Physics, Materials Science, or a related field obtained within the last five years. The role requires expertise in gas dynamics, mass transfer, and process flow analysis, along with the ability to obtain a Q clearance with SCI.
Requisition Id 16949
Overview:
We are seeking a Postdoctoral Research Associate who will focus on efforts related to gas dynamics, fluid flow, and mass transfer. This position resides in the Applied Materials Analysis in the Nuclear Nonproliferation Division in the National Security Sciences Directorate at Oak Ridge National Laboratory (ORNL).
Major Duties/Responsibilities:
Basic Qualifications:
Preferred Qualifications:
Special Requirements:
Applicants cannot have received their Ph.D. more than five years prior to the date of application and must complete all degree requirements before starting their appointment. The appointment length will be up to 24 months with the potential for extension. Initial appointments and extensions are subject to performance and availability of funding.
About ORNL:
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.
ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well-being of you and your family. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also available for added convenience.
Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.
This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.
We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.
If you have trouble applying for a position, please email [email protected].
ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.
Big Science. Big Impact.
Oak Ridge National Laboratory is managed by UT-Battelle for the Department of Energy. Scientists and engineers at ORNL conduct basic and applied research and development to create scientific knowledge and technological solutions that strengthen the nation's leadership in key areas of science; increase the availability of affordable, reliable energy; and contribute to national security. ORNL also performs other work for the Department of Energy, including isotope production, information management, and technical program management, and provides research and technical assistance to other organizations.
Offices: One Bethel Valley Road, Oak Ridge, TN 37831, US
There are currently 701 open engineering positions in Oak Ridge, TN listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Oak Ridge National Laboratory, Boston Government Services, LLC (BGS), Amentum, Akima Global Services, LLC, Centrus Energy Corp., among others. Browse the listings above to see every active employer.
Yes — 115 of the 701 open engineering positions offer remote or hybrid work (50 remote, 65 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
