System Admin (Banking, 1-year renewable contract)

EVOLUTION RECRUITMENT SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading recruitment firm in Singapore is seeking a skilled Virtual Infrastructure Manager to administer VMware and Hyper-V environments. You will manage OpenShift clusters while ensuring system health and performance through effective troubleshooting and incident resolution. The ideal candidate must hold a Bachelor's degree and have at least 6 years of relevant experience in virtualization technologies and cloud environments, along with excellent communication skills.

Qualifications

• Minimum 6 years of relevant experience in Virtual Infrastructure Management.
• Hands-on experience with Hybrid Cloud environments.
• Strong troubleshooting skills in both VMware and Hyper-V.

Responsibilities

• Administer and maintain VMware ESXi and vCenter Server.
• Manage OpenShift clusters and troubleshoot node-level issues.
• Conduct performance analysis for Windows servers.

Skills

VMware ESXi

OpenShift

Hyper-V

AWS

Azure

Troubleshooting

Performance tuning

Education

Bachelor’s degree in Computer Science

Job description

Key Responsibilities

• Administer and maintain VMware ESXi hosts and vCenter Server.
• Manage clusters, resource pools, virtual switches, and datastores.
• Utilize vSphere technologies including vCenter, ESXi, vMotion, DRS, and HA.
• Monitor system health dashboards in vCenter; address alerts, failures, and performance degradation.
• Troubleshoot VM resource bottlenecks (CPU, memory, disk, network).
• Provide incident resolution and technical support for Windows system-related issues.
• Conduct performance analysis and tuning for Windows servers.
• Administer Windows Failover Clusters and Always-On Clusters.
• Administer and maintain Hyper-V hosts and virtual machines.
• Configure and manage virtual switches, storage, and failover clustering.
• Monitor performance and availability of Hyper-V environments.
• Collaborate with storage, networking, and backup teams for integrated infrastructure support.
• Manage control plane components and worker nodes in OpenShift clusters.
• Monitor node health and resource usage (CPU, memory, disk).
• Analyze logs using OpenShift Cluster logs, Splunk, or external logging services.
• Troubleshoot networking, deployment, and node-level issues in OpenShift.

Key Requirements

• Bachelor’s degree in Computer Science or related field.
• Minimum 6 years of relevant experience.
• Expertise in Virtual Infrastructure Management (VMware, Hyper-V).
• Hands-on experience with OpenShift Container Platform (OCP).
• Familiarity with Hybrid Cloud environments (AWS / Azure).
• Strong troubleshooting and performance tuning skills.
• Excellent communication and collaboration abilities.