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# HPC Systems Administrator

- **Company:** TEKSYSTEMS INC.
- **Location:** Aberdeen, MD, United States
- **Experience:** Expert
- **Salary:** $104,000.0 - $166,400.0
- **Contract:** Temporary contract
- **Skills:** Computer Clusters, CompTIA Security+, Linux, Monitoring of Systems, Linux System Administration, Red Hat Enterprise Linux, Software Vulnerability Management, Enterprise Software Applications, High Performance Computing, Performance Monitor, Patch Management, Comptia Linux+
- **Published:** October 16, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/aberdeen-proving-ground/73371dc8-79e5-402b-b514-f9a8496a31d1

## About the Role

CompTIA Linux+
Problem Solving
Patch Management
Computer Clusters
Knowledge Transfer
Business Valuation
Linux Administration
Full Stack Development
Business Transformation
Red Hat Enterprise Linux
Vulnerability Management
High Performance Computing
Troubleshooting (Problem Solving)
Top Secret-Sensitive Compartmented Information (TS/SCI Clearance)

At least 10 years, The ideal candidate will have extensive experience administering Linux systems within clustered or HPC environments and possess a strong background in troubleshooting, security compliance, system upgrades, and customer support., * Active TS/SCI Clearance

 * CompTIA Security+ certification
 * CompTIA Linux+ certification
 * 10+ years of experience supporting:
 + High Performance Computing (HPC) environments, OR
 + Large Linux cluster infrastructures
 * Strong Linux systems administration experience
 * Experience maintaining highly available enterprise systems
 * Ability to work independently in a customer-facing environment
 * Strong troubleshooting and problem-solving skills

Preferred Qualifications

 * Experience with Red Hat Enterprise Linux (RHEL)
 * Experience supporting large-scale compute clusters
 * Familiarity with supercomputing environments
 * Knowledge of vulnerability management and system hardening
 * Experience performing upgrades, patch management, and lifecycle support within secure environments

Desired Technical Skills

 * Linux Administration
 * HPC Operations
 * RHEL / Red Hat
 * Cluster Management
 * System Performance Monitoring
 * Security Compliance
 * Vulnerability Remediation
 * Infrastructure Maintenance
 * Enterprise System Support
 * Documentation and Knowledge Transfer, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

## Description

We are seeking an experienced HPC Systems Administrator to support a large-scale High Performance Computing (HPC) environment in a secure government setting. This position is responsible for maintaining the health, performance, availability, and security of mission-critical Linux-based computing infrastructure that supports advanced research and operational workloads., * Administer and maintain large-scale HPC and Linux cluster environments

 * Monitor system performance, health, and availability
 * Troubleshoot and resolve complex technical issues
 * Plan, coordinate, and execute system upgrades and maintenance activities
 * Maintain security compliance and remediate vulnerabilities
 * Support system accreditation and security requirements
 * Respond to user requests and provide technical assistance
 * Develop and maintain technical documentation
 * Provide knowledge transfer and guidance to customer administrators
 * Work independently to solve highly complex infrastructure challenges
 * Serve as a technical advisor and trusted resource for stakeholders