Senior Windows Infrastructure Engineer – 24x7 On-Prem

CORNERSTONE GLOBAL PARTNERS PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Cornerstone Global Partners is seeking a Senior Windows Infrastructure Engineer (L3) to provide advanced technical support and operational management of enterprise Windows, VMware, Nutanix, Active Directory and Hybrid Identity environments in a 24x7 MSP setting.

You will handle complex incidents, automate tasks with PowerShell, implement DR planning, manage patching and security, and ensure SLA compliance in a demanding on-premises infrastructure.

Qualifications

• Strong administration experience with Windows Server 2016/2019/2022.
• Advanced knowledge of Active Directory, DNS, DHCP, DFS, GPO, ADFS, KMS and RDS.
• Experience with VMware ESXi, vCenter, HA, DRS and vMotion.
• Hands-on experience with Nutanix Prism, AHV, CVM and LCM.
• Experience with SCCM, BigFix, Datadog and Grafana.
• Experience with AD Manager Plus and Quest Recovery Manager.

Responsibilities

• Provide 24x7 operational support through shift rotation and on-call coverage.
• Handle major incidents and complex L3 escalations.
• Ensure SLA compliance and timely resolution of infrastructure issues.
• Support disaster recovery planning, testing and execution.
• Manage incident, problem and change management processes.

Skills

Windows administration

VMware ESXi administration

Active Directory administration

Automation scripting

Incident management

Tools

Windows Server 2016/2019/2022

VMware ESXi/vCenter

Nutanix Prism

SCCM/BigFix

Datadog, Grafana

AD Manager Plus

Quest Recovery Manager

Ansible, Terraform

PowerShell, Python

Job description

Cornerstone Global Partners is seeking a Senior Windows Infrastructure Engineer (L3) to provide advanced technical support and operational management of enterprise Windows, VMware, Nutanix, Active Directory and Hybrid Identity environments in a 24x7 MSP setting.

You will handle complex incidents, automate tasks with PowerShell, implement DR planning, manage patching and security, and ensure SLA compliance in a demanding on-premises infrastructure.