System Administrator (Vmware)

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

A leading IT services company in Singapore is seeking an experienced IT Infrastructure Manager to oversee VMware and Hyper-V environments. The role involves administering virtual infrastructure, managing clusters, and providing technical support for Windows systems. Candidates should have at least 6 years of relevant experience and a bachelor's degree in computer science or related field. This position offers a dynamic environment with a focus on cloud technologies and virtualization.

Qualifications

• Minimum of 6 years of relevant experience in IT infrastructure management.
• Strong proficiency in VMware and Hyper-V for virtual infrastructure management.
• Experience with OpenShift Container Platform and hybrid cloud services.

Responsibilities

• Administer VMware ESXi hosts and vCenter Server.
• Manage clusters, resource pools, virtual switches, and datastores.
• Provide technical support for Windows system-related issues.

Skills

VMware

vCenter

OpenShift

AWS

Azure

Hyper-V

Education

Bachelor's degree in computer science or related field

Job description

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.

Skills / Requirements

• Bachelor’s degree in computer science or related field.
• At least 6 years’ relevant experience.
• Virtual Infrastructure Management: VMware, Hyper‑V.
• OpenShift Container Platform (OCP).
• Hybrid Cloud: AWS / Azure.

Contact

Interested candidates, please send your resume to [e-mail].

PERSOL Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R23118975 (ABDUL RAHMAN ANSARI RAJA)

We regret to inform that only shortlisted candidates will be contacted.