UNIX / Linux Systems Administrator

ASSYST•Boca Raton, FL

About The Position

ASSYST is seeking an experienced UNIX/Linux Systems Administrator with 10+ years of hands-on experience supporting large-scale Red Hat Enterprise Linux (RHEL 8/9) environments. The role focuses on operational support, system maintenance, automation, security compliance and performance optimization across approximately 300 Linux servers in a 24x7 enterprise environment.

Requirements

RHEL Linux 8/9 administration and patch management
Linux server builds and custom configurations
Ansible automation and playbook development
Ansible Automation Platform and Red Hat Satellite 6 management
Server security and vulnerability remediation
Oracle database server performance tuning
SolarWinds monitoring
VMware operational knowledge
Server migration experience
Advanced Linux troubleshooting skills
Strong TCP/IP networking knowledge in firewalled environments

Responsibilities

Administer, maintain and support enterprise Linux systems (RHEL 8/9)
Perform Linux server builds, custom configurations and OS patching
Execute quarterly Red Hat patching to meet PCI and security compliance requirements
Monitor system performance, troubleshoot issues and resolve incidents in a timely manner
Remediate OS security vulnerabilities identified through regular audits
Develop and maintain automation using Ansible playbooks
Manage and upgrade Ansible Automation Platform and Red Hat Satellite 6
Provide performance tuning support for Oracle database servers
Support server migrations and infrastructure changes
Monitor Linux environments using SolarWinds
Participate in rotating 24x7 on-call Unix/Linux support
Maintain technical documentation and interface with IT and business stakeholders