Oak Ridge National Laboratory is a U.S. Department of Energy national laboratory focused on ... research computing systems. • Develop and maintain automation, configuration management, and ...

60 Oak Ridge National Laboratory Research Engineer Jobs Hiring Near You
Oak Ridge National Laboratory is a U.S. Department of Energy national laboratory focused on ... research computing systems. • Develop and maintain automation, configuration management, and ...
Postdoctoral Research Associate - Integrated Building Deployment and Analysis Group
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is seeking a Postdoctoral Research Associate to work with a multi ... in statistical programming and data analysis tools: R, Python, Stata, or SAS; SQL/database ...
Postdoctoral Research Associate - Integrated Building Deployment and Analysis Group
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is seeking a Postdoctoral Research Associate to work with a multi ... in statistical programming and data analysis tools: R, Python, Stata, or SAS; SQL/database ...
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... ESED is the national steward for research, development, and demonstration of centrifuge technology.
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... ESED is the national steward for research, development, and demonstration of centrifuge technology.
Dynamic Test Engineer
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... ESED is the national steward for research, development, and demonstration of centrifuge technology.
Dynamic Test Engineer
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... ESED is the national steward for research, development, and demonstration of centrifuge technology.
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... The successful candidate will interact with a team of scientists and engineers at ORNL in a variety ...
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... The successful candidate will interact with a team of scientists and engineers at ORNL in a variety ...
Postdoctoral Research Associate - Computational Radiation Protection Scientist
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... The successful candidate will interact with a team of scientists and engineers at ORNL in a variety ...
Postdoctoral Research Associate - Computational Radiation Protection Scientist
Oak Ridge, TN · On-site
Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory ... The successful candidate will interact with a team of scientists and engineers at ORNL in a variety ...
Oak Ridge National Laboratory is a U.S. Department of Energy national laboratory focused on ... research and security objectives. • Ensure compliance with DOE cybersecurity standards ...
Oak Ridge National Laboratory is a U.S. Department of Energy national laboratory focused on ... research and security objectives. • Ensure compliance with DOE cybersecurity standards ...
Biometrics AI/ML Engineer
Oak Ridge, TN · On-site
... Oak Ridge National Laboratory (ORNL) conducts research, development, and deployment of human and ... Design and implement reproducible pipelines for data acquisition, feature engineering, model ...
Biometrics AI/ML Engineer
Oak Ridge, TN · On-site
... Oak Ridge National Laboratory (ORNL) conducts research, development, and deployment of human and ... Design and implement reproducible pipelines for data acquisition, feature engineering, model ...
A PhD in materials science and engineering or a related discipline completed within the last five ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
A PhD in materials science and engineering or a related discipline completed within the last five ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
A PhD in materials science and engineering or a related discipline completed within the last five ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
A PhD in materials science and engineering or a related discipline completed within the last five ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
Biometrics AI/ML Engineer
Oak Ridge, TN · On-site
... Oak Ridge National Laboratory (ORNL) conducts research, development, and deployment of human and ... Design and implement reproducible pipelines for data acquisition, feature engineering, model ...
Biometrics AI/ML Engineer
Oak Ridge, TN · On-site
... Oak Ridge National Laboratory (ORNL) conducts research, development, and deployment of human and ... Design and implement reproducible pipelines for data acquisition, feature engineering, model ...
... at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: The successful candidate ... A PhD degree in Mechanical Engineering completed within the last 5 years. * Laboratory and ...
... at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: The successful candidate ... A PhD degree in Mechanical Engineering completed within the last 5 years. * Laboratory and ...
... at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: The successful candidate ... A PhD degree in Mechanical Engineering completed within the last 5 years. * Laboratory and ...
... at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: The successful candidate ... A PhD degree in Mechanical Engineering completed within the last 5 years. * Laboratory and ...
Company Description Oak Ridge National Laboratory is the US Department of Energy's largest multi ... Major Duties / Responsibilities The selected candidate will: - Conduct R&D projects and lead the ...
Company Description Oak Ridge National Laboratory is the US Department of Energy's largest multi ... Major Duties / Responsibilities The selected candidate will: - Conduct R&D projects and lead the ...
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 ...
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 ...
Postdoctoral Research Associate - Privacy Preserved Federated Learning Algorithms
Oak Ridge, TN · On-site
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 ...
Postdoctoral Research Associate - Privacy Preserved Federated Learning Algorithms
Oak Ridge, TN · On-site
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 ...
Associate Laboratory Director, Physical Sciences Directorate
Oak Ridge, TN · On-site
$101K - $132K/yr
... Oak Ridge National Laboratory's (ORNL) mission by leading the Physical Sciences Directorate (PSD). The ALD oversees PSD's portfolio in fundamental and applied chemical and materials research ...
Associate Laboratory Director, Physical Sciences Directorate
Oak Ridge, TN · On-site
$101K - $132K/yr
... Oak Ridge National Laboratory's (ORNL) mission by leading the Physical Sciences Directorate (PSD). The ALD oversees PSD's portfolio in fundamental and applied chemical and materials research ...
Power Systems Researcher
Oak Ridge, TN · On-site
Company Description Oak Ridge National Laboratory is the US Department of Energy's largest multi ... Major Duties / Responsibilities The selected candidate will: - Conduct R&D projects and lead the ...
Power Systems Researcher
Oak Ridge, TN · On-site
Company Description Oak Ridge National Laboratory is the US Department of Energy's largest multi ... Major Duties / Responsibilities The selected candidate will: - Conduct R&D projects and lead the ...
Analyze complex manufacturing problems using engineering fundamentals, experimental data, machine ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
Analyze complex manufacturing problems using engineering fundamentals, experimental data, machine ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
Analyze complex manufacturing problems using engineering fundamentals, experimental data, machine ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
Analyze complex manufacturing problems using engineering fundamentals, experimental data, machine ... For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification ...
Oak Ridge National Laboratory Jobs Information
What is it like to work at Oak Ridge National Laboratory?
As a national laboratory, ORNL is structured into various research divisions and departments, with a diverse range of projects and initiatives focused on advancing science, technology, and engineering, including energy, climate change, and national security. The laboratory's work environment is highly collaborative, with opportunities for interdisciplinary research and knowledge sharing among scientists, engineers, and technicians.
Working at ORNL may appeal to individuals who are passionate about advancing scientific knowledge and addressing complex global challenges, as the laboratory offers a unique opportunity to contribute to cutting-edge research and development projects, collaborate with leading experts in their fields, and make a meaningful impact on society.
What makes Oak Ridge National Laboratory an attractive place to work?
Do workers at Oak Ridge National Laboratory get paid breaks?
69% of people say they get paid breaks.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and May 2026.
Does Oak Ridge National Laboratory pay people when they’re sick?
94% of people say they would get paid if they were sick but scheduled to work.
Based on data from 16 people who took the Breakroom Quiz between December 2024 and May 2026.
At Oak Ridge National Laboratory, are sick days and vacation days separate paid time off?
43% of people say they have to use vacation days when they’re out sick.
Based on data from 7 people who took the Breakroom Quiz between June 2025 and May 2026.
Is the health insurance from Oak Ridge National Laboratory affordable enough for their workers?
100% of people say the health insurance costs are okay
Based on data from 10 people who took the Breakroom Quiz between March 2025 and May 2026.
Do people get paid time off at Oak Ridge National Laboratory?
100% of people say they get paid time off.
Based on data from 7 people who took the Breakroom Quiz between June 2025 and May 2026.
Do workers at Oak Ridge National Laboratory worry about hours?
93% of people report they don’t worry about getting enough hours.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and May 2026.
Do Oak Ridge National Laboratory workers get to choose the shifts they work?
44% report that they don’t have enough control over which shifts they work.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and May 2026.
How easy is it for Oak Ridge National Laboratory workers to change shifts?
67% of people report that it’s easy to change shifts if they need to.
Based on data from 9 people who took the Breakroom Quiz between January 2025 and May 2026.
How easy is it to get time off at Oak Ridge National Laboratory?
87% of people report it’s easy to get time off.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
Do Oak Ridge National Laboratory managers change schedules at the last minute?
100% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
Do jobs at Oak Ridge National Laboratory spill into time workers aren’t paid for?
13% of people report that their job takes up time that they don’t get paid for.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
How easy is it to take sick days at Oak Ridge National Laboratory?
81% of people report that it’s easy to take time off if they are sick.
Based on data from 16 people who took the Breakroom Quiz between December 2024 and May 2026.
Is working at Oak Ridge National Laboratory good if you’re a parent or caregiver?
80% of people who care for a child or other relative report this is a good place to work.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and May 2026.
Do people at Oak Ridge National Laboratory feel treated with respect by their managers?
79% of people say they’re treated with respect by their managers.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people at Oak Ridge National Laboratory get to take their breaks without interruption?
73% of people report that they get to take their breaks without interruption.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
Is it stressful to work at Oak Ridge National Laboratory?
69% of people say they often feel stressed out at work.
Based on data from 16 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people at Oak Ridge National Laboratory enjoy their jobs?
87% of people report they enjoy their job.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people at Oak Ridge National Laboratory recommend working with their team?
75% of people report that they would recommend working with their immediate team to a friend.
Based on data from 16 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people get enough training when they start at Oak Ridge National Laboratory?
73% of people report they got enough training when they started working here.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people get support to advance at Oak Ridge National Laboratory?
In the last year, 79% of people report being given support to advance their career here.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and May 2026.
Do people think Oak Ridge National Laboratory’s headquarters understands what’s happening where they work?
79% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and May 2026.
Do workers feel well informed about how Oak Ridge National Laboratory is doing?
79% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and May 2026.

HPC Linux Systems Engineer, Classified Environment
Oak Ridge, TN • On-site
Full-time
Posted 6 days ago
Oak Ridge National Laboratory rating
8.8
Based on 16 frontline employees who took The Breakroom Quiz
13th of 120 rated laboratories
Job description
Oak Ridge National Laboratory is a U.S. Department of Energy national laboratory focused on addressing the nation’s pressing challenges. They are seeking an HPC Linux Systems Engineer to design, implement, and manage HPC systems within a classified environment, ensuring performance, security, and compliance while collaborating with various teams.
Responsibilities:
• Install, integrate, and administer Linux-based HPC clusters, storage systems, and high-speed networks.
• Monitor and optimize system performance, reliability, and scalability for large-scale computational workloads.
• Diagnose complex hardware and software issues, coordinating with vendors and internal engineering teams to implement solutions.
• Participate in system design, deployment, acceptance testing, and upgrades for leadership-class and research computing systems.
• Develop and maintain automation, configuration management, and monitoring solutions using tools such as Ansible, Puppet, Bash, or Python.
• Collaborate with scientists, researchers, and technical staff to ensure HPC resources effectively support scientific and mission objectives.
• Support identity management, authentication, and access control frameworks to maintain secure and compliant environments.
• Document system architectures, processes, and best practices, and contribute to internal knowledge sharing.
• Participate in on-call rotations and off-hours maintenance windows as required to support 24x7 operations.
Qualifications:
Required:
• BS degree in computer science, engineering, or a related field.
• A minimum of 5 years of experience in Linux systems administration, or an equivalent combination of education and experience.
• SCI Clearance: This position requires the ability to obtain and maintain a Secret Compartmented Information (SCI) clearance from the Department of Energy.
Preferred:
• Experience administering HPC clusters or large-scale Linux computing environments.
• Familiarity with batch schedulers (e.g., SLURM, PBS, LSF) and parallel file systems (Lustre, GPFS/Spectrum Scale).
• Experience implementing and managing automation and configuration management frameworks (Ansible, Puppet, Salt).
• Proficiency in scripting or programming (Python, Bash, Go).
• Understanding of networking fundamentals and high-speed interconnects (InfiniBand, Ethernet).
• Experience deploying or supporting identity management and multi-factor authentication systems (PingFederate, RSA SecureID, Entra ID).
• Familiarity with virtualization or containerization technologies (VMware, KVM, Podman, Apptainer).
• Experience troubleshooting and tuning high-performance storage, networking, and computer systems.
• Excellent communication, collaboration, and problem-solving skills.
• Demonstrated ability to lead or contribute to complex technical projects with minimal supervision.
Company:
Oak Ridge National Laboratory holds a range of R&D assignments, from fundamental nuclear physics to applied R&D on advanced energy systems. Founded in 1943, the company is headquartered in Oak Ridge, USA, with a team of 5001-10000 employees. The company is currently Late Stage.
What Oak Ridge National Laboratory employees say
Pay
Benefits
Hours and flexibility
Workplace
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About Oak Ridge National Laboratory
Sourced by ZipRecruiter
Industry
Scientific research and development services
Company size
5,001 - 10,000 Employees
Headquarters location
Oak Ridge, TN, US
Year founded
1943