We are looking for an experienced VMware vSphere Administrator to join an Enterprise Infrastructure team supporting large-scale enterprise environments across Europe. The successful candidate will be responsible for managing, maintaining, and troubleshooting VMware virtualisation infrastructure, ensuring high availability, operational stability, performance, and security.
The role requires strong hands-on experience with VMware vSphere 8, ESXi 8, and vCenter Server, along with a solid understanding of Linux and Windows Server administration.
Key Responsibilities
- Maintain the stability, availability, integrity, and performance of VMware infrastructure.
- Administer VMware vSphere 8, ESXi 8, and vCenter Server in enterprise production environments.
- Configure and manage virtual machines, clusters, resource pools, templates, snapshots, and virtual hardware.
- Manage vSphere High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Storage vMotion, and admission control.
- Perform ESXi host deployment, configuration, upgrades, patching, firmware coordination, and compliance management.
- Manage VMware networking, including standard and distributed switches, port groups, VLANs, NIC teaming, and uplinks.
- Administer VMware storage, including VMFS, NFS, Fibre Channel, iSCSI, multipathing, and datastores.
- Monitor infrastructure performance, capacity, and availability, and proactively identify potential issues.
- Troubleshoot and resolve infrastructure incidents involving host failures, virtual machine performance, storage capacity, network connectivity, and hardware.
- Support backup, restore, disaster recovery, and infrastructure recovery activities.
- Implement infrastructure changes, upgrades, and maintenance activities in line with operational standards and security requirements.
- Identify opportunities to automate infrastructure deployment, testing, configuration, and maintenance.
- Support incident, problem, and change management processes in accordance with service-level agreements (SLAs).
- Collaborate with network, storage, security, application, and service management teams to resolve complex technical issues.
- Participate in the on-call rotation after completing the initial training period.
Required Skills and Qualifications
- Minimum 5 years of relevant experience in VMware administration or infrastructure engineering.
- Strong hands-on experience with VMware vSphere 8 and ESXi 8 in enterprise production environments.
- Extensive knowledge of vCenter Server administration, cluster configuration, permissions, roles, alarms, and lifecycle management.
- Strong understanding of vSphere HA, DRS, vMotion, Storage vMotion, and admission control.
- Experience with VMware networking, including distributed switches, port groups, VLANs, NIC teaming, and network troubleshooting.
- Strong knowledge of virtualisation storage technologies, including VMFS, NFS, Fibre Channel, iSCSI, multipathing, and datastore management.
- Experience with ESXi host lifecycle management, upgrades, patching, compliance, and vSphere Lifecycle Manager.
- Strong troubleshooting skills and experience conducting root-cause analysis of infrastructure incidents.
- Good knowledge of backup, restore, disaster recovery, monitoring, capacity planning, and performance optimisation.
- Solid UNIX/Linux administration skills, preferably RHEL, including filesystems, services, networking, logging, patching, and Bash scripting.
- Solid Windows Server administration knowledge, including Active Directory, DNS, DHCP, Group Policy, PowerShell, Windows services, and event log analysis.
- Experience integrating VMware environments with enterprise storage, backup, monitoring, identity, and network management platforms.
- Understanding of incident, problem, and change management processes, operational risk, and SLAs.
- Excellent communication and collaboration skills.
- Very good written and spoken English.
Preferred Skills
- Experience with automation and configuration management tools such as VMware PowerCLI, PowerShell, and Ansible.
- Familiarity with Jira, Confluence, and ServiceNow.
- Knowledge of spoken German.
- Strong analytical, problem-solving, and troubleshooting skills.
- Ability to work effectively in an international, cross-functional team.