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5C Data Centers USA, Inc.

HPC Systems Administrator

United States

$120,000 to $135,000 USD / year

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Job details

Pay: $120,000 to $135,000 USD / year
Experience: Approximately 5 years of experience in Linux systems administration, data center operations, infrastructure support, HPC, cloud infrastructure, or a related technical role.
Posting language: English
Posted: Sep 23, 2026

Original job description

5C DATA CENTERS

Join the Future of Digital Infrastructure

Are you a passionate HPC Systems Administrator looking to make a meaningful impact? We're building the next generation of digital infrastructure powering hyperscalers, AI innovation, and high-performance computing across North America.

JOB TITLE

HPC Systems Administrator

DEPARTMENT

Cloud Operations

LOCATION

OH, USA

WORK ARRANGEMENT

Remote

SALARY RANGE

$120,000 – $135,000

Role Summary

As an HPC Systems Administrator, you will support the day-to-day operation, maintenance, and troubleshooting of HPC and AI infrastructure across data center and cloud environments.

This role focuses primarily on the infrastructure and hardware layer, including Linux operating systems, GPU servers, high-speed networking, storage connectivity, firmware, drivers, and out-of-band management.

You will work alongside senior Systems Administrators, Network Engineering, Data Center Operations, Deployment Engineering, vendors, and other technical teams to troubleshoot infrastructure issues, restore systems to service, perform routine maintenance, and improve the reliability of production HPC environments.

This position is well suited for someone with a foundation in Linux systems administration or data center infrastructure who wants to develop deeper expertise in HPC, GPU computing, high-performance networking, and large-scale AI infrastructure.

How We Work at 5C

Our core values guide how we collaborate, make decisions, support one another, and serve our customers. We're looking for people who embrace them and help us build something great.

What You Will Do

HPC Infrastructure Operations

Support and maintain Linux-based HPC and AI computing environments, including large-scale NVIDIA GPU clusters, while troubleshooting hardware, operating system, networking, storage, driver, and firmware issues across bare-metal, virtualized, containerized, and cloud-hosted platforms.
Investigate and resolve infrastructure and compute-node issues, document technical findings, maintain operational runbooks and support procedures, and collaborate with senior engineers to escalate complex problems and improve overall system reliability.

GPU and Accelerated Computing Systems

Assist with the installation, configuration, validation, monitoring, and troubleshooting of NVIDIA GPU infrastructure, including drivers, firmware, system software, and GPU health management tools, while diagnosing performance, communication, and hardware-related issues.
Perform post-maintenance system validation, collect and analyze diagnostic data for GPU and infrastructure faults, and coordinate hardware replacement and RMA activities for GPUs, system boards, NICs, power supplies, and other server components.

Linux System Administration

Administer and support enterprise Linux environments, including system services, filesystems, networking, storage, authentication, permissions, SSH, DNS, and NTP, while ensuring compliance with established security and operating system standards.
Troubleshoot operating system, CPU, memory, device-discovery, and kernel-related issues, and collect diagnostic data to investigate system crashes, hardware failures, and performance-related incidents.

Server Hardware, Firmware, and Out-of-Band Management

Troubleshoot hardware issues across enterprise server platforms, including memory, PCIe devices, GPUs, NICs, storage systems, power supplies, fans, system boards, and cabling, while supporting firmware updates for BIOS, BMC, GPUs, drives, and other infrastructure components.
Utilize out-of-band management tools to perform remote administration, system health monitoring, hardware inventory and log collection, and collaborate with Data Center technicians on hardware replacements, break-fix activities, cabling validation, and post-maintenance testing.

High-Performance Networking

Assist with troubleshooting Ethernet, InfiniBand, and RoCE connectivity within HPC and AI environments, including support for NVIDIA/Mellanox network adapters and resolution of link, interface, MTU, packet loss, VLAN, RDMA, and fabric-related issues.
Collect and analyze network diagnostic data, escalate complex switching and fabric issues to Network Engineering teams, and validate network performance following infrastructure changes, firmware upgrades, cable replacements, and new system deployments.

Incident, Problem, and Change Management

Participate in incident response activities for production infrastructure environments, troubleshoot technical issues, provide status updates, and escalate incidents in accordance with established support procedures and service-level agreements.
Document troubleshooting activities, findings, corrective actions, and resolutions while following change-management processes, maintenance procedures, rollback plans, and on-call support requirements.

Collaboration and Development

Collaborate with senior Systems Administrators and engineers to troubleshoot HPC infrastructure issues, follow established operational procedures, and participate in technical reviews, troubleshooting sessions, and post-incident analyses.
Contribute to runbooks, knowledge-base articles, and support documentation, share technical findings and lessons learned, and continuously develop expertise in Linux, GPU infrastructure, high-performance networking, storage, and automation technologies.

What You Bring

Approximately 5 years of experience in Linux systems administration, data center operations, infrastructure support, HPC, cloud infrastructure, or a related technical role. Equivalent hands-on experience, education, or technical training may also be considered.
Working knowledge of Linux operating systems and command-line administration.
Basic understanding of enterprise server hardware and common server components.
Experience troubleshooting hardware or operating-system issues using logs and diagnostic tools.
Familiarity with networking fundamentals including IP addressing, DNS, interfaces, routing, and basic connectivity troubleshooting.
Familiarity with server hardware concepts including CPU, memory, storage, PCIe devices, NICs, power supplies, and firmware.
Exposure to GPU infrastructure or an interest in developing expertise with NVIDIA accelerated computing platforms.
Familiarity with out-of-band management technologies such as IPMI, Redfish, iDRAC, iLO, or equivalent tools.
Basic scripting or automation experience using Bash, Python, PowerShell, Ansible, or similar technologies.
Ability to follow technical procedures and troubleshoot problems methodically.
Ability to recognize when an issue requires escalation and clearly communicate collected findings.
Strong written communication and documentation skills.
Ability to work collaboratively across technical teams.
Participate in an on-call rotation.

Why Join 5C Data Centers?

At 5C, we believe great people build great companies. You'll build a rewarding career while helping shape the future of digital infrastructure - one of the fastest-growing industries in the world.

Career Growth

Build a rewarding career in one of the world's fastest-growing industries.

Industry Leadership

Help power the infrastructure behind AI and high-performance computing.

Entrepreneurial Culture

Your ideas matter - we empower employees to help shape our future.

Comprehensive Rewards

Competitive pay plus meaningful, lasting impact on the work you do.

Life at 5C

We're more than a workplace - we're a team of builders, innovators, and problem-solvers united by a shared purpose: creating infrastructure that powers the technologies transforming our world. Your voice matters here, and we encourage fresh ideas at every level.

Ready to Apply?

If this opportunity sounds like the right fit for you, we'd love to hear your story. Apply today and discover what your future could look like at 5C Data Centers.

5C Data Centers is an equal opportunity employer.

We celebrate diversity and are committed to creating an inclusive environment where everyone can thrive. 5C evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, disability status, or any other legally protected characteristic.

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More about this job

Skills

Troubleshooting
Linux
Firmware
Troubleshoot
System administration
Communication skills
Red Hat Enterprise Linux
DNS
Regulatory compliance
Change management
Incident response
Collaboration
Documentation
Automation technology
Bash
Python
Microsoft PowerShell
Ansible

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