Sr Technical Lead (Support & Operations)
Singapore
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Job Description
Sr Technical Lead (Support & Operations)
Singapore, Singapore

Job Summary

Position Summary

Provide L3 support for enterprise Windows infrastructure, VMware, Nutanix, Active Directory and Hybrid Identity services in a 24x7 managed services environment.

Support Coverage

24x7 operational support, shift rotation, on-call support, major incident management, SLA compliance and DR activities.

Key Responsibilities

Operational Responsibilities

  • Incident, Problem and Change Management
  • RCA and KEDB Management
  • Patching and Vulnerability Remediation
  • Lifecycle Management and EOL/EOS Tracking
  • Capacity and Performance Management
  • DR Planning and Execution
  • OEM Coordination
  • Documentation, SOP and Runbook Maintenance

Skill Requirements

Technical Requirements

  • Windows Server 2016/2019/2022 Administration
  • Active Directory, DNS, DHCP, DFS, GPO, ADFS, KMS, RDS
  • VMware ESXi, vCenter, HA, DRS, vMotion
  • Nutanix Prism, AHV, CVM, LCM
  • SCCM, BigFix, Datadog, Grafana
  • AD Manager Plus and Quest Recovery Manager

AD and Entra ID Responsibilities

  • Azure AD / Entra ID Operations
  • Conditional Access Administration
  • Identity Governance
  • RBAC Administration
  • Access Certification Reviews
  • Entra Connect Management
  • AD Recovery using Quest Recovery Manager
  • AD Manager Plus Administration
  • Security and Compliance Audits
  • Hybrid Identity Management
  • Certificate Lifecycle Management

Automation Skills

  • Ansible Automation Platform
  • Terraform Infrastructure as Code
  • PowerShell Automation
  • Python Scripting
  • Workflow Automation
  • Reusable Playbooks and IaC Modules

Other Requirements

Preferred Certifications

  • Microsoft Windows Server Hybrid Administrator
  • Microsoft Identity and Access Administrator
  • VMware VCP/VCAP
  • Nutanix NCP
  • Red Hat Ansible Automation
  • Hashicorp Terraform Associate
  • ITIL Foundation
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.