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Cadre5

HPC Linux Systems Engineer

Knoxville, TN · Hybrid

HPC Linux Systems Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab ...

ITR

HPC Linux Administrator

Oak Ridge, TN · On-site

HPC Linux Administrator Basic Qualifications: * A BS degree in computer science, computer engineering, information technology, business, science, or a related field of study and eight (8) to twelve ...

Akina, Inc.

SIE 4 - (HPC, Linux, Bash)

Annapolis, MD · On-site

$228K - $279K/yr

SIE 4 - (HPC, Linux, Bash) Clearance: TS/SCI - Polygraph required Position ID: 02-523-SIE4 Location: Annapolis Junction, Maryland Description: The Software Integration Engineer shall be responsible ...

Amentum

HPC Linux System Administrator

Houston, TX · On-site

We have an exciting opportunity for a HPC Linux System Administrator to join the team with MRI, a teammate company. Requisition Description: Are you excited about supporting NASA human spaceflight?

Pae

HPC Linux System Administrator

Houston, TX · On-site

We have an exciting opportunity for a HPC Linux System Administrator to join the team with MRI, a teammate company. Requisition Description: Are you excited about supporting NASA human spaceflight?

Associated Builders and Contractors (ABC)

Summary: We are seeking a Senior HPC Linux Systems Administrator to support High-Performance Computing (HPC) infrastructure, AI computing environments, and scientific research platforms.

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How much do hpc linux jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for hpc linux in the United States is $51.22, according to ZipRecruiter salary data. Most workers in this role earn between $42.07 and $59.38 per hour, depending on experience, location, and employer.

What is an HPC Linux administrator?

HPC (High Performance Computing) Linux administrators are IT professionals who manage, configure, and maintain Linux-based HPC clusters and supercomputers. Their responsibilities include installing and updating software, monitoring system performance, troubleshooting issues, and ensuring that computational resources are efficiently allocated to users. They play a critical role in supporting researchers, scientists, and engineers who rely on high-speed computing for complex simulations and data analysis. A strong understanding of Linux, networking, parallel computing, and scripting is essential for this role.

What are the key skills and qualifications needed to thrive as an HPC Linux administrator, and why are they important?

To thrive as an HPC Linux Administrator, you need expertise in Linux system administration, networking, and high-performance computing (HPC) architectures, typically supported by a degree in computer science or a related field. Familiarity with cluster management tools (like Slurm or PBS), scripting languages (such as Bash or Python), and monitoring systems is essential, along with certifications like RHCE being advantageous. Strong problem-solving abilities, attention to detail, and effective communication skills help in troubleshooting complex issues and collaborating with diverse technical teams. These skills are crucial for ensuring the reliability, scalability, and optimal performance of HPC environments in research or enterprise settings.

What are some common challenges faced by HPC Linux administrators, and how can they be addressed?

HPC Linux administrators often encounter challenges such as managing complex cluster environments, troubleshooting performance issues, and ensuring system security while supporting a diverse user base. Staying updated with the latest Linux distributions, scripting automation for repetitive tasks, and implementing robust monitoring tools can help address these challenges. Additionally, effective communication with researchers and end-users is crucial for promptly resolving technical issues and optimizing the computing environment.

What is the difference between Hpc Linux vs Hpc System Administrator?

AspectHpc LinuxHpc System Administrator
Primary FocusManaging Linux-based high-performance computing environmentsOverseeing entire HPC systems, including hardware, software, and network
Required SkillsLinux OS, scripting, cluster management, troubleshootingHardware knowledge, system configuration, user support, security
Work EnvironmentResearch labs, universities, tech companies with HPC needsData centers, research institutions, enterprise IT departments

Hpc Linux specialists focus on configuring and maintaining Linux-based HPC clusters, while Hpc System Administrators manage the broader HPC infrastructure, including hardware and network components. Both roles require Linux skills, but the System Administrator has a wider scope of responsibilities.

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HPC Linux jobs near you
Infographic showing various Hpc Linux job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 91% Full Time, 2% Part Time, and 6% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $106,535 per year, or $51.2 per hour.

HPC Linux Systems Engineer

Knoxville, TN • Hybrid

Cadre5
Software Development • 11 - 50 employees
Learn more about Cadre5external

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago

Job description

HPC Linux Systems Engineer
Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with the National Center for Computational Sciences (NCCS) at Oak Ridge National Laboratory (ORNL) to recruit a Senior HPC Linux Systems Engineer to play a key role in improving the security, performance, and reliability of the NCCS computing environments. This includes supporting one of the fastest supercomputers in the world, Frontier, along with numerous commodity clusters and specialized programs and partnerships. Frontier is one of the scientific research community's most powerful computational instruments for exploring solutions to some of today's most challenging problems.
As an HPC Linux Systems Engineer, you will work within the HPC Scalable Systems Group inside of the NCCS Systems Section to support numerous activities of the center.
The Scalable Systems group oversees, administers and supports system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting of large-scale HPC computational resources.
The Systems Section is within the National Center for Computational Sciences Division (NCCS). The HPC Systems Section is responsible for the division's computing, storage, networking, and infrastructure systems and services.
The NCCS provides state-of-the-art computational and data science infrastructure, coupled with dedicated technical and scientific professionals, to accelerate scientific discovery and engineering advances across a broad range of disciplines. NCCS hosts the Oak Ridge Leadership Computing Facility, one of DOE's National User Facilities.
ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers.
This is a full-time, permanent position that follows a hybrid/onsite working arrangement in Oak Ridge, TN.
Why Cadre5?
  • Working with highly talented team members
  • 3 weeks’ vacation
  • Excellent medical insurance, including employer-paid benefits
Job Responsibilities:
  • Install, integrate, and administer HPC Linux clusters and high-speed networks
  • Diagnosing system operational problems quickly and effectively
  • Coordinating with vendors to resolve hardware and software problems
  • Recommending, planning, and coordinating hardware and software changes with customer participation using
  • change management processes
  • Porting and writing system management tools
  • Documenting system administration procedures for routine and complex tasks
  • Participating in a 24-hour, 7-day on-call support rotation and off-hours maintenance windows
  • System implementation/integration into the NCCS environment and systems performance analysis.
  • Lead system deployment, integration and troubleshooting of a large-scale computer system.
  • Participate in relevant systems topics with the internal and external community of peers contributing experiences
  • and solutions.
  • Mentor junior-level staff as they join the group.
Basic Qualifications:
  • Bachelor's Degree in a scientific or technical field with a combination of 5-8 years of Linux systems experience is required. An equivalent combination of education and experience will be considered.
  • 8+ years of Linux systems experience is required
  • Demonstrated experience working in classified environments, including a thorough understanding of security policies, compliance frameworks, and associated standard processes (e.g., NIST, DISA STIGs).
  • Demonstrated experience designing and deploying of HPC systems, ensuring they meet the computational needs and security requirements of a classified environment.
  • The ability to obtain and maintain a Department of Energy "Q" clearance with SCI is required. This requires US Citizenship.
Preferred Qualifications:
  • Experience managing Linux operating systems in a large-scale system environment
  • Solid understanding of networked computing environment concepts
  • 5 + years of experience with Linux Cluster Administration
  • Ability to develop and maintain programs and scripts that aid in the operation and automation of administrative tasks
  • using various shell and scripting languages (bash, Python, Go)
  • Experience with Lustre and GPFS file systems
  • Experience with batch schedulers (particularly SLURM)
  • Experience deploying and maintaining automated configuration management software such as Puppet
Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays.
Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer.
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About Cadre5

Sourced by ZipRecruiter

Industry

Software development

Company size

11 - 50 Employees

Headquarters location

Knoxville, TN, US

Year founded

1999

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