IT Infrastructure & Security Engineer (MS 365, Network)

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

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.