Senior Linux Administrator

About the role

The Senior Linux Administrator will manage and automate the HBZ virtualization and Linux environments, ensuring reliable operation of VMware vSphere and the emerging OpenShift Virtualization platform. The role combines hands‑on system administration with strategic migration and modernization initiatives.

Key responsibilities

• Administer VMware vSphere, ESXi and vCenter – manage clusters, HA, DRS, vMotion, storage and overall virtualization operations.
• Operate OpenShift Virtualization environments, handling VM lifecycle and supporting migration from VMware.
• Maintain RHEL servers, Red Hat Satellite, IdM, patching, hardening and disaster‑recovery processes.
• Develop automation with Ansible Automation Platform for provisioning, configuration and operational tasks.
• Configure and optimise Zabbix monitoring – create templates, dashboards, triggers and alerts.
• Participate in Incident, Problem, Change and Release Management processes and ensure security compliance.

Required profile

• Minimum 7 years of enterprise infrastructure experience.
• Proven experience with VMware vSphere administration and Linux (RHEL) in large environments.
• Experience with OpenShift Virtualization is highly desirable.
• Relevant certifications such as RHCSA, RHCE, RHCA, Red Hat OpenShift Virtualization, Red Hat Ansible Automation, VMware VCP‑DCV are preferred.

Required skills

• VMware vSphere, ESXi, vCenter
• OpenShift Virtualization
• Red Hat Enterprise Linux, Red Hat Satellite, IdM
• Ansible Automation Platform
• Zabbix monitoring
• HA, DRS, vMotion, storage management