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# Linux System Administrator

- **Company:** Intuitive Research and Technology
- **Location:** United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Active Directory, Backup Devices, Ubuntu (Operating System), System Configuration, Linux, Domain Name System (DNS), Linux Security Modules, Linux Servers, Networking Basics, Routing, Network Service, Red Hat Enterprise Linux, TCP/IP, Software Vulnerability Management, Firewalls (Computer Science), Performance Monitor
- **Published:** September 22, 2026
- **Apply:** https://www.dice.com/job-detail/6b888458-8461-4c23-b7f8-b200bc95ef53

## About the Role

* BS or BA degree
 * 3+ years of related experience
 * Experience administering Linux servers with RHEL and Ubuntu
 * Strong understanding of Linux security and system administration
 * Knowledge of networking fundamentals, including TCP/IP, DNS, routing, firewalls, and common network services
 * Experience supporting CMMC, NIST 800-171, or NIST 800-53 environments
 * Experience with Microsoft Active Directory and Linux/AD integration
 * Must have the ability to obtain or maintain a security clearance

## Description

We are seeking an experienced Linux professional to manage, maintain, secure, and enhance our Linux-based infrastructure across classified and unclassified environments. This role consists of operating system installation, configuration, patching, upgrades, vulnerability remediation, system hardening, backups, performance monitoring, and lifecycle management. Additionally, you will be developing and improving tools, as well as maintaining technical documentation for system configurations, procedures, and changes. You will work closely with cybersecurity, network, infrastructure, and application teams to maintain secure and reliable systems while supporting organizational and DoW cybersecurity requirements.


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