Linux Operations Engineer Jobs in Tennessee (NOW HIRING)

Job Summary:
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.
• 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.
• SCI Clearance: This position requires the ability to obtain and maintain a Secret Compartmented Information (SCI) clearance from the Department of Energy.
• WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.
• Due to the SCI, you may also be subject to random polygraph testing.
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.