Sr Operatin Mgmt Specialist

1 week ago

Singapore Lenovo Full time $60,000 - $120,000 per year
General Information

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

Why Work at Lenovo

We are Lenovo. We do what we say. We own what we do. We WOW our customers.

Lenovo is a US$69 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world's largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY).

This transformation together with Lenovo's world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit , and read about the latest news via our StoryHub .

Description and Requirements

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

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