Linux Systems Administrator

Integration Innovation, Inc. (i3) • Huntsville, AL

7d

About The Position

i3 is seeking a Linux Systems Administrator to support an Army contract. The role provides technical expertise in information system components, infrastructure integration, and maintenance. The administrator supports Red Hat platforms and production workloads, automates administrative work, assists end users and application teams, manages storage, and maintains reliable, secure, and compliant systems in regulated environments. The position requires an active Secret Clearance.

Requirements

• Five years of hands-on systems administration experience, with emphasis on Linux/Red Hat and Windows environments.
• Expertise administering Red Hat Enterprise Linux, including troubleshooting, server operations, and production workload support.
• Proficiency in Linux system administration, preferably RHEL, and scripting such as Bash.
• Solid experience with Ansible and Ansible Automation Platform.
• Strong written and verbal communication skills, including experience creating documentation, processes, and procedures.
• Ability to work effectively with end users, developers, and cross-functional teams.
• Active Secret Clearance.
• Bachelor's degree in Information Technology, Computer Science, or a related field preferred; equivalent professional experience is accepted.

Nice To Haves

• Red Hat certifications such as RHCSA or RHCE, and/or Linux+ certification.
• Experience in defense or mission-critical IT operations focused on security and compliance standards.
• Experience administering Windows environments.

Responsibilities

• Administer and maintain Red Hat platforms, including workstation monitoring, user management, resource allocation, patching, upgrades, and troubleshooting.
• Perform RHEL installation, configuration, security hardening, performance tuning, backup and recovery, and log management.
• Develop and execute Ansible scripts and playbooks to automate administrative tasks, configuration management, deployments, and system maintenance.
• Resolve daily Linux operational issues for end users and application teams, and provide guidance to support access and functionality.
• Document system configurations, procedures, runbooks, and troubleshooting guidance.
• Manage and support large storage units, maintaining consistent permissions and configuration management.
• Monitor system performance and health, respond to alerts and incidents, conduct root cause analysis, and apply fixes.
• Collaborate with users and cross-functional teams to resolve operational challenges.
• Keep current with Red Hat technologies, Linux best practices, automation tools, and container administration trends.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior