Linux Systems Administrator – Cloud, Security & Automation

Expedite Talent Solutions; Memphis (TN); On-site; USD 65,000 - 95,000; Full time

Job description

• Provision and support Linux virtual machines on VMware ESXi and Linux instances in Oracle Cloud Infrastructure (OCI).
• Install, configure, patch, and maintain RHEL and Oracle Linux 8 (OL8) systems according to enterprise standards.
• Perform OS patching and lifecycle maintenance using dnf/yum, including kernel updates, validation, and rollback troubleshooting.
• Manage storage and filesystems, including LVM, XFS, mounts, and persistent /etc/fstab configurations.
• Configure and troubleshoot system networking, DNS resolution, hostnames, and TCP/IP port connectivity.
• Administer users, groups, permissions, SSH key based access, and privilege controls.
• Troubleshoot OS level issues involving boot processes, systemd services, performance, disk usage, and networking.
• Provide OS level support for applications, including working knowledge of Apache Tomcat (startup/shutdown, logs, ports, JVM options, TLS configuration).
• Configure, manage, and troubleshoot cron jobs for system and application scheduling tasks.
• Maintain system security posture, including SELinux, vulnerability remediation, and audit readiness.
• Perform routine Linux administration, documentation, and basic automation using shell scripting.
• Preferred: Exposure to containerized environments and working knowledge of Kubernetes concepts (pods, services, basic troubleshooting).
• General knowledge of Service now, inventory submissions and routine documentation, checklists ect.