Senior High Performance Computing Engineer - Classified Environment

Oak Ridge National Laboratory; Oak Ridge (TN); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical benefits

Flexible working hours

On-site amenities

Job summary

Oak Ridge National Laboratory is seeking a Senior High Performance Computing Engineer to lead the design, deployment, and management of HPC systems within a classified computing environment. You will collaborate with security teams, scientists, and IT leadership to ensure performance, security, and compliance for sensitive data and workloads.

The role requires extensive experience in HPC architecture, cluster management, and parallel computing, with a focus on secure operations and regulatory

Qualifications

• BS in computer science, engineering, or a related field; 8+ years of relevant experience.
• 8 years of HPC engineering experience with cluster management, parallel computing, and performance optimization.
• Experience in classified environments with security policies, compliance frameworks, and standard processes (e.g., NIST, DISA STIGs).
• HPC systems architecture experience including cluster management tools (e.g., SLURM, PBS, Moab).
• Linux system administration with scripting/automation (Bash, Python, Ansible).
• Experience with performance tuning/benchmarking tools for HPC (e.g., Ganglia, Grafana).
• Experience with parallel programming frameworks (MPI, OpenMP, CUDA) and high-performance interconnects (InfiniBand).

Responsibilities

• Lead the design and deployment of HPC systems for a classified environment.
• Oversee installation, configuration, and management of HPC clusters for performance and reliability.
• Ensure HPC systems comply with security policies and regulatory requirements; conduct audits.
• Monitor and optimize HPC performance, identifying bottlenecks and reducing downtime.
• Lead HPC-related projects from planning to operational support; mentor junior engineers.
• Stay informed on the latest HPC technologies and drive continuous improvements.

Skills

HPC engineering

Cluster management

Parallel computing

Security/compliance (classified env)

HPC architectures

Linux administration

Scripting (Python/Bash/Ansible)

Performance tuning

MPI/OpenMP/CUDA

InfiniBand interconnects

Education

BS in computer science/engineering or related field

Tools

SLURM

PBS

Moab

Ganglia

Grafana

InfiniBand

Job description

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Senior High Performance Computing Engineer - Classified Environment

The Field Intelligence Operations Division invites candidates to apply to join the team as a Senior High Performance Computing (HPC) Engineer for Classified Computing to lead the design, implementation, and management of HPC systems within a classified environment. We are looking for candidates with extensive experience in HPC architecture, cluster management, and parallel computing, with a proven ability to work within highly secure and regulated environments. This role involves close collaboration with security teams, scientists, and IT leadership to ensure that the HPC infrastructure meets the stringent performance, security, and compliance requirements necessary for classified work.

As part of our team, you will be joining a vibrant group of professionals eager to provide premier customer service to ensure people and information technology remain secure. The team is collaborative and strives to ensure security practices and procedures are understood, implemented, and enforced. All team members deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace – in how we treat one another, work together, and measure success.

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.

Major Duties/Responsibilities:

• HPC System Design and Architecture:
  • 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 architectures, configurations, and operational procedures.
• Cluster Management and Optimization:
  • 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.
• Security and Compliance:
  • 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.
• Performance Tuning and Troubleshooting:
  • 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.
• Collaboration and Leadership:
  • Lead HPC-related projects, from initial planning and design through to 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.
• Continuous Improvement and Innovation:
  • 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.

Basic Qualifications:

• BS in computer science, engineering, or a related field anda minimum eight (8) years of relevant experience. An equivalent combination of education and experience may be considered.
• 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).

Preferred Qualifications:

• Familiarity with advanced storage solutions and parallel file systems (e.g., Lustre, GPFS, or BeeGFS).
• Professional certifications (e.g., Certified HPC Professional, Linux+, or Security+)
• Excellent leadership and project management abilities.
• Strong problem-solving skills with a proactive approach to identifying and resolving issues.
• Effective communication and collaboration skills, with the ability to work closely with cross-collaborative teams.
• Ability to manage multiple priorities and work effectively in a fast-paced, high-security environment.
• Proactive mentality with a commitment to continuous learning and improvement in the rapidly evolving HPC field.

Special Requirements:

• Visa sponsorship: Visa sponsorship is not available for this position.
• Physical Requirements: Work may involve various physical requirements and working conditions.
• Security, Credentialing, and Eligibilty Requirements: Q clearance with SCI: This position requires the ability to obtain and maintain a Secret Compartmented Information (SCI) clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program. In addition, due the SCI, you may also be subject to random polygraph testing.

To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.

About ORNL:

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.

ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors.

The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well-being of you and your family.

Employee amenities such as on-site fitness, banking, and cafeteria facilities are also available for added convenience.

Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

If you have trouble applying for a position, please email [e-mail].

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.