Senior Classified HPC Engineer & Cluster Lead

UT-Battelle; Oak Ridge (TN); On-site; USD 120,000 - 160,000; Full time

Job summary

Oak Ridge National Laboratory (ORNL) seeks a Senior HPC Engineer for Classified Computing to lead design, deployment, and management of secure HPC systems. You will collaborate with security teams, scientists, and IT leadership to ensure performance and compliance in a highly regulated environment.

Requirements include a BS in a related field and 8+ years in HPC, with expertise in SLURM/PBS/Moab, performance tuning, Linux scripting, and parallel frameworks (MPI/OpenMP/CUDA).

Qualifications

• BS in computer science, engineering, or a related field and a minimum eight (8) years of relevant experience.
• Eight (8) years of experience in HPC engineering, with a focus on cluster management, parallel computing, and performance optimization.
• Demonstrated experience working in classified environments, including a thorough understanding of security policies, compliance frameworks, and associated standard processes (e.g., NIST, DISA STIGs).
• HPC systems architecture experience, including cluster management tools (e.g., SLURM, PBS, Moab).
• Linux system administration skills, with experience in scripting and automation using tools such as Bash, Python, or Ansible.
• Experience with performance tuning and benchmarking tools for HPC environments (e.g., Ganglia, Grafana, or similar).
• Experience with parallel programming frameworks (e.g., MPI, OpenMP, CUDA) and high-performance interconnects (e.g., InfiniBand).

Responsibilities

• Lead the design and deployment of HPC systems, ensuring they meet the computational needs and security requirements of a classified environment.
• Create and maintain detailed documentation of HPC architecture, configurations, and operational procedures.
• Oversee the installation, configuration, and management of HPC clusters, ensuring optimal performance, scalability, and reliability.
• Implement and manage job scheduling, resource allocation, and load balancing to maximize the efficiency of HPC resources.
• Ensure all HPC systems comply with security policies and regulatory requirements, implementing necessary controls and conducting regular audits.
• Collaborate with the security team to address vulnerabilities and ensure the protection of sensitive data within the HPC environment.
• Monitor and optimize the performance of HPC systems, identifying and resolving bottlenecks and inefficiencies.
• Identify and resolve complex issues, ensuring minimal downtime and disruption to critical operations.
• Lead HPC-related projects, from initial planning and design through implementation and operational support.
• Collaborate with scientists, researchers, and others to ensure that the HPC environment meets their computational needs.
• Mentor and support junior HPC engineers, sharing expertise and best practices.
• Research and remain informed of the latest advancements in HPC technologies, identifying opportunities for innovation and enhancement of the HPC infrastructure.
• Propose and implement improvements to existing systems and processes to support the evolving needs of the organization.

Skills

HPC architecture

Cluster management

Security/compliance

Performance tuning

Parallel programming

Linux scripting

MPI/OpenMP/CUDA

InfiniBand interconnects

Education

BS in Computer Science/Engineering

Tools

SLURM

PBS

Moab

Ganglia

Grafana

Bash

Python

Ansible

MPI/OpenMP/CUDA

InfiniBand

Job description

Oak Ridge National Laboratory (ORNL) seeks a Senior HPC Engineer for Classified Computing to lead design, deployment, and management of secure HPC systems. You will collaborate with security teams, scientists, and IT leadership to ensure performance and compliance in a highly regulated environment.

Requirements include a BS in a related field and 8+ years in HPC, with expertise in SLURM/PBS/Moab, performance tuning, Linux scripting, and parallel frameworks (MPI/OpenMP/CUDA).