Linux Server Administrator

Job Description Summary

Responsible for deployment, configuration, maintenance and support of Linux server environments across VMware and Proxmox platforms. Supports Red Hat Enterprise Linux and Ubuntu systems, infrastructure services, database platforms and application middleware.

Job Description

Scope

Linux administration, virtualisation, server provisioning, patching, configuration management, storage management, infrastructure services, database platform support, middleware support, monitoring, documentation and operational support.

Job Duties / Key Accountabilities

• Deploy and manage Linux virtual machines on VMware vSphere and Proxmox.
  • Manage RHEL patching and subscription lifecycle using Red Hat Satellite.
  • Administer DNS (BIND) and NTP (Chrony) services.
  • Manage LVM, multipathing, iSCSI and Fibre Channel storage.
  • Support Oracle and PostgreSQL database platforms.
  • Install and support WebLogic, JBoss/WildFly and middleware platforms.
  • Monitor performance, maintain documentation and participate in on-call support.

Qualifications / Skills / Knowledge - Required

• Strong RHEL 7/8/9 administration experience.
  • Ubuntu Server administration knowledge.
  • VMware vSphere / ESXi experience.
  • Kickstart and automated provisioning experience.
  • Red Hat Satellite administration.
  • LVM, multipathing, iSCSI and Fibre Channel knowledge.
  • DNS, NTP and TCP/IP administration.
  • Oracle, PostgreSQL and middleware support experience.

Qualifications / Skills / Knowledge - Desired

• RHCSA or higher certification.
  • Git experience.
  • Nagios, Zabbix or Prometheus/Grafana knowledge.
  • ITIL, ServiceNow or Jira experience.
  • Bash and/or Python scripting.

Authority / Decision Making

Responsible for Linux server operational standards, provisioning, patch management, infrastructure support activities, troubleshooting and adherence to change management processes.