Senior HPC Architect for Classified Compute (TS/SCI)

Oak Ridge National Laboratory; Oak Ridge (TN); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Medical plan

Retirement plan

On-site fitness

Relocation assistance

Educational assistance

Employee discounts

Job summary

Oak Ridge National Laboratory is seeking an experienced HPC Architect to design, integrate, and evolve secure, scalable computing environments for classified missions. You will lead architecture across compute, storage, networking, and data center infrastructure, interfacing with cybersecurity and mission stakeholders.

The role requires deep HPC expertise, systems thinking, and the ability to guide teams from concept through deployment and sustainment in highly controlled environments.

Qualifications

• BS in a technical discipline with 5+ years of relevant experience.
• Experience with Linux HPC environments and CPU/GPU accelerated computing.
• Ability to translate mission requirements into scalable HPC architectures.
• Active TS/SCI or similar clearance is required for consideration.

Responsibilities

• Develop end‑to‑end architectures for classified HPC environments.
• Translate mission requirements into scalable HPC architectures and roadmaps.
• Lead design and deployment of new HPC systems and data center infrastructure.
• Draft technical specifications, BOMs, capacity models, and roadmaps.
• Evaluate CPUs/GPUs, interconnects, storage, and emerging technologies.
• Collaborate with cybersecurity to integrate security into system architecture.

Skills

Linux HPC environments

CPU/GPU accelerated computing

HPC cluster architecture

High‑speed interconnect technologies

Parallel and distributed storage

Workload management & scheduling

Configuration & provisioning

High‑performance networking

Monitoring & performance engineering

Security clearance knowledge

Education

BS in Computer Science/Engineering or related field

Tools

Slurm

InfiniBand

Lustre/Spectrum Scale/GPFS

BeeGFS

Kubernetes

Job description

Oak Ridge National Laboratory is seeking an experienced HPC Architect to design, integrate, and evolve secure, scalable computing environments for classified missions. You will lead architecture across compute, storage, networking, and data center infrastructure, interfacing with cybersecurity and mission stakeholders.

The role requires deep HPC expertise, systems thinking, and the ability to guide teams from concept through deployment and sustainment in highly controlled environments.