Senior Wintel & Cloud Operations Specialist

Lenovo PCCW Solutions; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Lenovo PCCW Solutions is seeking an experienced Windows and AWS administrator to provide L2 support for Windows Server on‑prem and in the cloud. You will manage AD, DNS, DHCP, GPO, WSUS, and clustering, while handling incidents via ITSM tools and coordinating patch cycles.

The role requires 5+ years in Wintel, 2+ years AWS Windows workloads, and strong scripting with PowerShell. Knowledge of CIS benchmarking, IAM, CloudWatch, and AWS Systems Manager is essential. ITIL experience is a plus.

Qualifications

• Diploma or Degree in Information Technology, Computer Science, or related discipline.

Responsibilities

• Provide L2 operational support for Windows Server in on-prem and AWS.
• Manage AD, DNS, DHCP, GPO, WSUS, and Windows clustering.
• Resolve incidents via ITSM platforms (ServiceNow, Jira).
• Perform patch management using WSUS/SCCM and AWS Systems Manager.
• Support AWS services: EC2, S3, IAM, EBS, CloudWatch, SSM.
• Implement IAM least privilege and reviews using IAM Access Analyzer.
• Remediate CIS Benchmarks findings and compliance scans.
• Vulnerability Management remediation with InfoSec collaboration.
• Work with EDR/XDR platforms for threat detection and remediation.
• Assist in automation scripting via PowerShell, AWS CLI, and SSM Documents.
• Create technical docs and SOPs.
• Participate in audits, patch windows, and DR testing.
• On-call support and 24x7 shift rotations.

Skills

Wintel administration

AWS for Windows workloads

PowerShell scripting

Education

Diploma or Degree in IT / Computer Science or related

Tools

AWS Systems Manager

AWS Config

CloudWatch

IAM

Trend Micro Vision One

Qualys/Tenable

WSUS/SCCM

SCCM

Job description

Lenovo PCCW Solutions is seeking an experienced Windows and AWS administrator to provide L2 support for Windows Server on‑prem and in the cloud. You will manage AD, DNS, DHCP, GPO, WSUS, and clustering, while handling incidents via ITSM tools and coordinating patch cycles.

The role requires 5+ years in Wintel, 2+ years AWS Windows workloads, and strong scripting with PowerShell. Knowledge of CIS benchmarking, IAM, CloudWatch, and AWS Systems Manager is essential. ITIL experience is a plus.