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# Linux System Administrator

- **Company:** Insight Global
- **Location:** Colorado Springs, CO, United States
- **Experience:** Experienced
- **Salary:** $120,000.0 - $141,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Systems Engineering, Build Automation, Cyber Security, System Configuration, Continuous Integration, Linux, Disaster Recovery, Monitoring of Systems, Identity and Access Management, Performance Tuning, Red Hat Enterprise Linux, Ansible, Virtualization Technology, Amazon Virtual Private Cloud (VPC), Cloudformation, Amazon Relational Database Service, Infrastructure Automation Frameworks, Functional Programming, Cloudwatch, Terraform
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9266478/linux-system-administrator

## About the Role

Active Secret or TS/SCI clearance
4-7 years of Systems Administration and/or Systems Engineering experience
Strong Red Hat Enterprise Linux (RHEL) administration experience
Experience hardening systems and applying STIGs
System monitoring, troubleshooting, and performance optimization
Security+ CE, CCNA Security, or higher certification
Experience with virtualization technologies
Experience with backup and disaster recovery solutions
Previous DoD and/or Intelligence Community (IC) experience
Nice to Have
AWS administration: EC2, S3, IAM, VPC, RDS, CloudWatch, Lambda
Terraform, CloudFormation, and/or Ansible
AWS AMI creation, security, and maintenance
CI/CD pipeline experience
Build automation and automated testing frameworks

## Description

We are seeking a Linux Systems Administrator to support secure, mission-critical infrastructure within a classified environment. This role will focus on Red Hat Enterprise Linux (RHEL) administration, system hardening, infrastructure automation, monitoring, and troubleshooting., Administer, maintain, and optimize RHEL systems
Perform system hardening and maintain STIG compliance
Automate system configurations using tools such as Ansible
Monitor system health, availability, and performance
Install and maintain system monitoring agents and tools
Troubleshoot Linux and infrastructure issues
Manage system configurations, updates, and maintenance
Support virtualization, backup, and disaster recovery
Ensure systems meet cybersecurity, availability, and resiliency requirements
Support secure systems within DoD/IC environments