Cronos Europa

The Virtualization & Infrastructure Engineer will join the Infrastructure Operations team and will be responsible for the day-to-day operation, maintenance, monitoring and support of enterprise Virtualization platforms.
The team operates a heterogeneous infrastructure environment covering VMware, Nutanix Ahv and containerization platforms.
The current primary focus of this position will be the operation and support of the Nutanix Ahv platform, while maintaining a broader understanding of Virtualization and infrastructure technologies.
The engineer will work closely with Infrastructure Engineering, OS teams and other technical teams to ensure the availability, stability, performance and continuous improvement of the Virtualization infrastructure.
The role is primarily focused on Run and operational activities, with opportunities to participate in platform evolution, automation and new technology initiatives.
Virtual machine provisioning and operating system administration are performed by the dedicated OS teams. The Virtualization & Infrastructure Engineer is responsible for the underlying Virtualization platform and provides the required infrastructure support to the OS teams.

Duties and responsibilities

• Virtualization platform operations:
  • Operate and maintain enterprise Virtualization platforms in production.
  • Primarily operate and support Nutanix Ahv environments.
  • Administer Nutanix AOS, Ahv, Prism Element and Prism Central.
  • Contribute to the operation of VMware environments when required.
  • Monitor cluster health, capacity, performance and availability.
  • Ensure the underlying Virtualization infrastructure provides the required resources and availability for hosted workloads.
  • Troubleshoot Virtualization platform issues affecting hosted workloads.
  • Support OS and application teams when issues are related to the Virtualization layer.
  • Escalate complex issues to Infrastructure Engineering or vendors when required.
• Nutanix ahv operations:
  • Operate and maintain Nutanix Ahv clusters.
  • Monitor cluster health, capacity and performance using Prism.
  • Manage and troubleshoot the Virtualization layer supporting hosted workloads.
  • Monitor and maintain Nutanix Storage and networking components related to the Virtualization platform.
  • Manage platform-level replication and resilience mechanisms.
  • Analyse Nutanix alerts, events and logs.
  • Investigate performance and availability issues affecting Ahv clusters.
  • Provide technical support to OS teams for issues related to the Virtualization infrastructure.
• Capacity and resource management:
  • Monitor cluster capacity and resource utilisation.
  • Analyse CPU, memory and Storage consumption at infrastructure level.
  • Identify capacity constraints and potential infrastructure bottlenecks.
  • Contribute to capacity planning and infrastructure forecasting.
  • Provide recommendations regarding infrastructure expansion or optimisation.
  • Work with Engineering teams on infrastructure sizing and capacity requirements.
• Lifecycle management:
  • Perform lifecycle management activities on Virtualization platforms.
  • For Nutanix, perform activities including:
    • AOS upgrades
    • Ahv/hypervisor upgrades
    • Firmware updates
    • Compatibility checks
    • Cluster health validation
  • Apply security patches and recommended updates.
  • Plan and execute maintenance activities while minimising service disruption.
  • Validate cluster health following upgrades and maintenance activities.
  • Maintain platform configurations according to operational and security standards.
• Monitoring and Incident management:
  • Monitor Virtualization infrastructure and respond to alerts.
  • Analyse events, logs and performance indicators.
  • Investigate incidents related to the Virtualization layer.
  • Perform initial root cause analysis.
  • Participate in incident, problem and change management processes.
  • Provide technical support during major incidents involving Virtualization infrastructure.
  • Coordinate with OS, Network, Storage, Backup and Engineering teams when incidents span multiple infrastructure layers.
  • Work with vendors, including Nutanix and VMware, when required.
• Fault tolerance and resilience:
  • Maintain the availability and resilience of Virtualization clusters.
  • Perform operational activities related to high availability.
  • Replace failed infrastructure