Senior HPC Engineer, Classified Computing

Senior HPC Engineer, Classified Computing

The Field Intelligence Operations Division invites candidates to apply to join the team as a Senior High Performance Computing (HPC) Engineer for Classified Computing. The role leads design, implementation, and management of HPC systems within a classified environment, collaborating with security teams, scientists, and IT leadership to ensure performance, security, and compliance.

• Lead the design, deployment, and documentation of HPC systems in a classified environment.
• Guide GPU architecture strategy and identify innovation opportunities.
• Oversee cluster installation, configuration, and management, including job scheduling and resource allocation.
• Ensure compliance with security policies and conduct audits.
• Monitor performance, troubleshoot bottlenecks, and minimize downtime.
• Lead HPC projects, collaborate with scientists, and mentor junior engineers.
• Research and implement improvements to HPC infrastructure and communicate findings.

• BS in computer science, engineering, or a related field with at least eight years of relevant experience (or equivalent).
• Eight years of HPC engineering experience focused on cluster management, parallel computing, performance optimization.
• Experience in classified environments and knowledge of NIST, DISA STIGs.
• Experience with SLURM, PBS, Moab, etc.
• Linux administration and scripting (Bash, Python, Ansible).
• Performance tuning and benchmarking tools (e.g., Ganglia, Grafana).
• Parallel programming frameworks (MPI, OpenMP, CUDA) and Infini Band.

• Advanced storage solutions and parallel file systems (Lustre, GPFS, BeeGFS).
• Professional certifications (HPC Professional, Linux+, Security+).
• Leadership and project management skills.
• Strong problem solving and communication.
• Ability to manage multiple priorities in a high‑security environment.
• Federal ATO experience.
• HPC architecture and performance optimization.
• Scientific software development.
• High‑speed networking and parallel file systems.
• Troubleshooting, diagnostics, and technical support.
• Programming & Scripting:
  Pascal, BASIC, Delphi, Visual Basic, C, C++.
• Systems & Network Administration:
  Linux (RHEL/CentOS, SUSE, Debian, Ubuntu);
  Windows (95–10, NT‑Server 2016–2025).
• Networking:
  Active Directory, TCP/IP, DHCP, DNS, WINS, VPN, Citrix, Terminal Services.
• Monitoring & Management Tools:
  Nagios, Ganglia, HP BAC, Precise i3.
• Infrastructure & Automation:
  Puppet, Cobbler, Ansible, Chef, Red Hat Satellite, Kickstart, RPM optimization.
• File Systems & Archiving:
  Panasas (Direct Flow/panfs), DDN (GPFS), SGI DMF, Stor House/RFS.
• HPC Tools & Job Scheduling: MOAB/MAUI, Torque, PBS Pro, Windows HPC Scheduler.
• Containerization & GPU:
  Docker, Kubernetes, Kubeflow, NVIDIA DGX‑1 GPU systems.
• Databases: SQL Server (2000–2008), MySQL, Zope.
• High‑speed networking:
  Infiniband, Mellanox, OFED, Voltaire, Force
  10.
• Cybersecurity in HPC/cloud environments.
• Infrastructure as Code (AWS, Terraform, Ansible, Packer).
• Supporting scientific workflows in research environments.

• Must obtain and maintain a DOE Secret Compartmented Information (SCI) clearance.
• WSAP testing required; random drug testing and possible polygraph testing.
• Must obtain and retain a federal Personal Identity Verification (PIV) card; background investigation required.

ORNL is an equal‑opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.

• Competitive pay and benefits including medical, dental, vision, 401(k), pension, life and disability insurance.
• Generous vacation, holidays, parental leave, legal insurance, employee assistance plan, flexible spending accounts, health savings accounts, wellness programs, educational assistance, relocation assistance, and employee discounts.