IT Infrastructure Engineer

KERRY CONSULTING PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Kerry Consulting PTE. LTD. seeks an IT Infra & System Administrator to support its IT infrastructure, Microsoft 365 environment, network, and daily technology operations in Singapore. You will administer M365 with Entra ID, manage user accounts, licenses, MFA, and security alerts while maintaining documentation.

You will monitor firewalls, VPNs, switches, Wi‑Fi, and overall network health, coordinate with vendors, track patch compliance, and assist with IT projects and ongoing improvements.

Qualifications

• Diploma or equivalent in IT or related field.
• At least 5 years hands-on experience in IT infrastructure and end-user support.
• Practical experience administering Microsoft 365 including Entra ID and related IAM activities.

Responsibilities

• Administer the Microsoft 365 environment (Entra ID, Exchange Online, Teams, SharePoint) and manage user accounts, licenses, MFA, privileged access and security alerts.
• Support full employee lifecycle from onboarding to offboarding and maintain accurate system/docs.
• Monitor firewalls, switches, Wi‑Fi, VPN connectivity, and network infra; coordinate with vendors during incidents.
• Track patch compliance, device health, and investigate security incidents; escalate as needed.
• Maintain IT asset inventories and network diagrams; manage IT tickets and vendor cases; support infra projects and continuous improvements.

Skills

IT infrastructure

End-user support

Microsoft 365 administration

Identity & access management

Security monitoring

VPN & SSO

Education

Diploma in Information Technology

Tools

Microsoft 365 suite

Entra ID

Exchange Online

Teams

SharePoint

Job description

Overview

An Infrastructure & Engineering MNC is seeking an IT Infra & System Administrator to support and strengthen its IT infrastructure, Microsoft 365 environment, network, and day-to-day technology operations.

Responsibilities

You will administer the Microsoft 365 environment, including Microsoft Entra ID, Exchange Online, Teams, and SharePoint, while managing user accounts, licenses, permissions, MFA, privileged access, and security alerts. You will support the full employee account lifecycle from onboarding through offboarding and maintain accurate system and operational documentation.

The role also covers the administration and monitoring of firewalls, switches, Wi‑Fi, VPN connectivity, and wider network infrastructure, including vendor coordination when incidents arise. You will monitor network availability and performance, review security and endpoint protection alerts, track patch compliance and device health, and perform initial investigation and escalation of security incidents.

In addition, you will maintain IT asset inventories and network diagrams, manage IT support tickets and vendor cases, and support infrastructure projects and continuous improvements.

Requirements

You should have a Diploma or equivalent qualification in Information Technology or a related discipline, with at least 5 years of hands‑on experience in IT infrastructure and end‑user support. Practical experience administering Microsoft 365 is essential, including Microsoft Entra ID and related identity and access management activities.

You should have sound networking knowledge and experience working with firewalls, including areas such as VPN and SSO, together with exposure to endpoint management and security. Experience supporting call center environments or familiarity with call center technology platforms would be advantageous.

The role requires strong troubleshooting and problem‑solving capabilities, with the ability to investigate issues systematically, identify root causes, and develop practical recommendations for management consideration.

License No: 16S8060 / Registration No: R26161178