Sr Operation Mgmt Specialist

Req #

WD

Career area:

Information Technology

Country/Region:

Singapore

State:

Central Singapore

City:

SINGAPORE

Date:

Thursday, October 9, 2025

Working time:

Full-time

Additional Locations:

• Singapore - Central Singapore - Singapore

• Singapore - Central Singapore - SINGAPORE

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Job Title: L2 Wintel Support Engineer – AWS Platform

Location: Singapore

Department: Cloud Infrastructure / IT Operations

Reports To: Cloud Operations Manager / Infrastructure Lead

Employment Type: Full-Time

Job Summary:

We are seeking a highly capable Level 2 Windows Support Engineer with 5+ years of hands-on Wintel experience and at least 2 years of AWS cloud experience, preferably in regulated or secure environments (e.g., Government Commercial Cloud - GCC). The role focuses on maintaining and supporting Windows workloads hosted on AWS, with exposure to Trend Micro Vision One, IAM Analyzer, CIS Hardening, and remediation tasks such as VMS and Cloudscape.

Key Responsibilities:

• Provide L2 operational support for Windows Server 2012/2016/2019/2022 in both on-prem and AWS environments.
• Manage and support AD, DNS, DHCP, GPO, WSUS, and Windows clustering.
• Resolve incidents and service requests related to Wintel systems via ITSM platforms (ServiceNow, Jira, etc.).
• Perform patch management and coordinate monthly/quarterly patch cycles using WSUS/SCCM/AWS Systems Manager.
• Support AWS services: EC2, S3, IAM, EBS, CloudWatch, Systems Manager (SSM).
• Implement and review IAM permissions using IAM Access Analyzer and least privilege model.
• Execute and remediate findings from CIS Hardening baselines and compliance scans.
• Carry out Vulnerability Management System (VMS) remediation and Cloudscape recommendations in collaboration with InfoSec teams.
• Work with Trend Micro Vision One (or similar EDR/XDR platforms) for threat detection and remediation.
• Assist in automation scripting and remediation via PowerShell, AWS CLI, and SSM Documents.
• Create and maintain technical documentation, knowledge articles, and standard operating procedures.
• Participate in audits, patch windows, and disaster recovery testing.
• Perform on-call support and participate in 24x7 shift rotations when required.

Required Qualifications:

• Diploma or Degree in Information Technology, Computer Science, or related discipline.
• 5+ years of hands-on Wintel administration and support.
• 2+ years of hands-on AWS experience supporting Windows workloads.
• Experience with IAM roles, security groups, S3 access policies, and CloudWatch alarms/logs.
• Exposure to security and hardening frameworks (e.g., CIS Benchmarks, SCAP).
• Familiarity with tools like Trend Micro Vision One, Qualys/Tenable, AWS Config, and AWS Systems Manager.
• PowerShell scripting proficiency for routine tasks and automation.
• Knowledge of backup and recovery strategies for Windows servers in cloud.
• Understanding of ITIL practices and experience using ticketing systems.

Preferred Certifications:

• AWS Certified SysOps Administrator – Associate
• AWS Certified Solutions Architect – Associate
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• ITIL v3/v4 Foundation

Soft Skills:

• Strong analytical and incident triage skills under pressure.
• Ability to handle and communicate with demanding customers tactfully and professionally.
• Ownership mindset with proactive problem-solving ability.
• Good written and verbal communication; capable of producing clear documentation.
• Team player with collaborative work ethic and a willingness to learn new technologies.

Additional Locations:

• Singapore - Central Singapore - Singapore

• Singapore - Central Singapore - SINGAPORE

• Singapore

• Singapore - Central Singapore

* Singapore - Central Singapore - Singapore , * Singapore - Central Singapore - SINGAPORE