vSphere Administrator

• Prestigious position at one of the world’s largest banks
• Stable, long-term projects
• Competitive salary with a B2B contract
• Hybrid work (6 days per month from the office in Cracow)
• Private healthcare and multisport card
• Personal growth and development opportunities with the possibility to rotate between projects
• Referral program and company events
• Convenient parking

Daily tasks

• Ensure the operational stability, integrity, and availability of products & services supported by the team.
• Ensure compliance with relevant Service Management Standards, and high data quality exists in Service Management systems of record – and compliance with all additional controls and standards where relevant
• Provide support in identification and resolution of all vSphere incidents associated with the IT service, as directed by leadership
• Ensure service resilience, service sustainability and recovery time objectives are met for all the software solutions delivered
• Deliver engineering changes to infrastructure with the customer/user experience as a key objective.
• Develop and deploy changes to infrastructure capable of meeting the anticipated load, performance, availability, security and resilience requirements
• Deliver infrastructure changes with a focus on automation of build, testing and deployment process on all environments to minimize variation and ensure predictable high-quality code and data.
• Drive levels of automation, continuous integration, and high levels of availability through system monitoring and maintenance.

Requirements

Solid experience administering VMware vSphere 8 and ESXi 8 in enterprise production environments.

Strong knowledge of virtualisation concepts, including virtual machines, clusters, resource pools, templates, snapshots and virtual hardware.

Hands-on experience with vCenter Server, including cluster configuration, permissions, roles, alarms, lifecycle management and inventory administration.

Deep understanding of vSphere High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Storage vMotion and admission control.

Good knowledge of VMware networking, including standard and distributed switches, port groups, VLANs, NIC teaming, uplinks and network troubleshooting.

Strong understanding of VMware storage, including VMFS, NFS, Fibre Channel, iSCSI, multipathing, datastores and storage performance.

Experience with ESXi host deployment, configuration, upgrades, patching, firmware coordination and compliance management.

Knowledge of vSphere Lifecycle Manager, image-based lifecycle management and remediation of hosts and clusters.

Experience analysing and resolving virtualisation issues, including host failures, VM performance problems, datastore capacity issues, network connectivity and hardware-related incidents.

Good knowledge of backup, restore and disaster-recovery concepts for virtualised environments.

Experience with monitoring, capacity planning, performance analysis and root-cause investigation.

Solid UNIX/Linux administration skills, including RHEL, user and access management, filesystems, services, processes, networking, logging, patching and Bash scripting.

Must have: VMware vSphere 8