Linux System Administrator

About the role

As a Linux Systems Administrator you will design and execute automated, zero‑touch patch management workflows that keep a large‑scale virtual infrastructure secure, compliant and performing at its best. You will be a key member of the Infrastructure & Cloud Operations team, collaborating with peers, managers and security stakeholders.

Key responsibilities

• Design, develop and maintain Ansible playbooks, roles and Automation Platform workflows for OS patching, kernel upgrades, service restarts and validation across RHEL/Ubuntu and VMware ESXi environments.
• Manage and troubleshoot VMware ESXi hosts and virtual machines via vCenter/ESXi API, including snapshot management, guest‑tool updates and host patching.
• Own compliance and reporting by ensuring all servers meet security standards, generating automated compliance reports and maintaining thorough patch documentation.
• Maintain infrastructure as code using Git for version‑controlled Ansible content and enforce idempotent configuration across the environment.
• Provide L2/L3 incident support for Linux and VMware issues, conduct root‑cause analysis and perform daily administration tasks such as user management, LVM, SAN/NFS storage and security hardening.

Required profile

• Hands‑on experience administering Red Hat Enterprise Linux or CentOS; RHCSA or RHCE preferred.
• Proven ability to write and implement Ansible playbooks, roles and workflows using Ansible Tower, AWX or Ansible Automation Platform.
• Strong working knowledge of VMware vSphere/ESXi (7.x/8.x) and vCenter administration.
• Proficiency in Bash or Python scripting for automation.
• Solid understanding of TCP/IP, DNS, SSH, NFS and SAN/LVM storage concepts.

Required skills

• RHEL / CentOS
• Ansible, Ansible Tower / AWX / Ansible Automation Platform
• VMware vSphere, ESXi, vCenter
• Bash, Python
• Red Hat Satellite, YUM/DNF
• TCP/IP, DNS, SSH, NFS, SAN, LVM
• Git, GitLab, Jenkins