Administrator IT

SOLID.Jobs; Kraków; On-site; PLN 120,000 - 180,000; Full time

Job summary

SOLID.Jobs is seeking an experienced VMware Administrator to design, maintain and optimise VMware vSphere 8 and ESXi 8 environments in a Kraków-based production setting. You will ensure high availability, performance, and security across the virtual infrastructure, collaborating with cross-functional teams.

The role focuses on vCenter Server management, HA/DR, storage networking, and automation to improve reliability.

Qualifications

• Must have hands-on experience administering VMware vSphere 8 and ESXi 8 in enterprise environments.
• Advanced knowledge of vCenter Server including cluster management, permissions, monitoring, and lifecycle administration.
• Deep understanding of virtualization technologies (VMs, clusters, resource pools, templates, snapshots).
• Experience with vSphere HA, DRS, vMotion, Storage vMotion, and admission control.

Responsibilities

• Administer, maintain, and optimise VMware vSphere 8 and ESXi 8 environments.
• Manage vCenter Server, including clusters, resource pools, permissions, roles, alarms, and inventory.
• Configure and maintain vSphere HA, DRS, vMotion, and Storage vMotion.
• Monitor performance, investigate incidents, and perform root-cause analysis of virtualization issues.
• Support backup, recovery, and disaster recovery processes for virtualised environments.
• Implement infrastructure changes focusing on automation, security, performance, and availability.
• Collaborate with cross-functional teams to resolve technical issues.

Skills

VMware vSphere 8

ESXi 8

vCenter Server

Networking (VMware)

Storage (VMware)

Linux/UNIX admin

Windows Server

Bash scripting

Incident response

On-call support

Tools

VMware vSphere 8

ESXi 8

vCenter Server

Job description

• Administer, maintain, and optimise VMware vSphere 8 and ESXi 8 environments, ensuring high availability, stability, and performance.
• Manage vCenter Server, including clusters, resource pools, permissions, roles, alarms, and infrastructure inventory.
• Configure and maintain vSphere HA, DRS, vMotion, and Storage vMotion to ensure infrastructure resilience and efficient resource utilisation.
• Manage virtual networking and storage configurations, including switches, VLANs, datastores, and storage connectivity.
• Perform ESXi host deployments, upgrades, patching, and lifecycle management.
• Monitor infrastructure performance, investigate incidents, and perform root-cause analysis of virtualisation issues.
• Support backup, recovery, and disaster recovery processes for virtualised environments.
• Implement infrastructure changes and improvements with a focus on automation, security, performance, and availability.
• Support administration and troubleshooting of Linux/UNIX and Windows Server environments.
• Collaborate with infrastructure, network, storage, security, and application teams to resolve technical issues.
• Ensure compliance with IT Service Management standards, SLAs, and security requirements.
• Participate in on-call support, planned maintenance, and critical incident resolution.

MUST HAVE

• Strong hands-on experience administering VMware vSphere 8 and ESXi 8 in enterprise production environments.
• Advanced knowledge of vCenter Server, including cluster management, permissions, monitoring, and lifecycle administration.
• Deep understanding of virtualisation technologies, including VMs, clusters, resource pools, templates, snapshots, and virtual hardware.
• Practical experience with vSphere HA, DRS, vMotion, Storage vMotion, and admission control.
• Good knowledge of VMware networking, including standard and distributed switches, VLANs, NIC teaming, and network troubleshooting.
• Strong understanding of VMware storage technologies, including VMFS, NFS, Fibre Channel, iSCSI, multipathing, and datastores.
• Experience with ESXi deployment, patching, upgrades, and vSphere Lifecycle Manager.
• Strong troubleshooting skills related to VM performance, host failures, storage capacity, and network connectivity.
• Knowledge of backup, restore, disaster recovery, monitoring, and capacity planning.
• Solid Linux/UNIX administration skills, particularly RHEL, including Bash scripting, networking, services, and patching.
• Good knowledge of Windows Server, including Active Directory, DNS, DHCP, Group Policy, and PowerShell.
• VMware
• vCenter Server
• vSphere 8
• ESXi 8
• Windows Server
• Polski
• Angielski