Senior Infrastructure Engineer - Windows, VMware & Cloud

Henderson Security Services Pte Ltd

Singapore

On-site

SGD 90,000 - 130,000

Full time

5 days ago

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Job summary

Henderson Security Services Pte Ltd in Singapore seeks an experienced IT Infrastructure Specialist to manage Windows Server, AD and hybrid infrastructure for security operations. You will oversee server provisioning, patching, and incident response while collaborating with security and operations teams.

The role requires 8 years in IT infrastructure, VMware experience, cloud familiarity (Azure/AWS/OCI) and ITIL knowledge.

Qualifications

Diploma or Degree in IT, CS, Engineering, or IS.
Minimum 8 years of IT infrastructure experience.
Hands-on Windows Server and Active Directory administration.
DNS, DHCP, Group Policy, ADFS and Certificate Services knowledge.
VMware or other enterprise virtualization experience.
Azure, AWS or OCI cloud experience.
IT infrastructure security, patch management, monitoring and troubleshooting knowledge.
ITIL practices understanding.
Strong analytical, troubleshooting and problem-solving skills.
Excellent communication and collaboration abilities.
Certification in Azure, AWS, VMware or ITIL preferred.

Responsibilities

Manage and maintain Windows Server infrastructure supporting business and security operations.
Administer AD, DNS, DHCP, GPO, ADFS, Certificate Services and file services.
Monitor availability, performance and capacity of servers and systems.
Manage VMware virtual infrastructure including provisioning and troubleshooting.
Support Azure, AWS or OCI cloud platforms.
Provide technical support for IT systems and security operations.
Troubleshoot infrastructure issues and conduct root cause analysis.
Manage server patching, security updates and antivirus requirements.
Support infrastructure for security-related systems and business-critical services.
Participate in migrations, upgrades and system enhancements.
Collaborate with internal teams, vendors and service providers to ensure reliability.
Manage incidents, problems and changes per ITIL procedures.
Prepare technical documentation and operational reports.
Maintain accurate configuration records and backups.
Assist in security, compliance, audit and business continuity requirements.
Provide guidance to IT support staff and users.
On-call support when required.