IT Executive; Infrastructure & Systems
Job in
Singapore, Singapore
Listed on 2026-10-21
Listing for:
HAI LECK ENGINEERING (PRIVATE) LIMITED
Full Time
position Listed on 2026-10-21
Job specializations:
-
IT/Tech
Systems Administrator, Cybersecurity, Network Administrator, IT Support
Job Description & How to Apply Below
We are seeking an IT Infrastructure Support professional to maintain IT systems, servers, networks and Microsoft 365 for smooth daily operations.
Key Responsibilities Systems & Server Administration- Active Directory & Core Domain Services:
Manage, maintain, and troubleshoot core Active Directory (AD) infrastructure, Group Policy Objects (GPOs), DNS, and DHCP services - Virtualization & Server Infrastructure:
Administer on-premise virtualized environments including VMware ESXi - System Maintenance & Backups:
Oversee regular system backup routines, storage allocations, data restoration tests, OS patch management, and firmware upgrades
- Tenant Management:
Administer the Microsoft 365 tenant, including user onboarding/offboarding, license management, Exchange Online, Teams, and SharePoint access rights - Cloud Security Policies:
Enforce M365 security features, Multi-Factor Authentication (MFA), Email Monitoring
- Firewall Administration:
Configure and maintain Fortinet (Forti Gate) firewalls, including security policies, SSL VPN access, and threat prevention features - Switching & Network Routing:
Administer enterprise network equipments, VLAN configurations
- L1 / L2 Desktop Support:
Deliver prompt Level 1 and Level 2 technical support for hardware, software, printing, and network issues across desktop/laptop users - Deployment & Security:
Manage workstation provisioning, OS imaging, inventory tracking, and central Endpoint Detection & Response (EDR solution), IOT device management (TMS machines), Corporate device issuance
- Maintain and update IT documentation, including system configurations, network diagrams, IT procedures, and asset inventory. Track the assignment, issuance, movement, and return of company IT equipment and devices
- Diploma or Degree in Information Technology, Computer Science, Network Engineering, or a related discipline
- 2 to 4 years of hands‑on experience in IT infrastructure administration and technical support environments
- Hands‑on proficiency in Active Directory, Windows Server administration, VMware ESXi, Firewalls and Network equipment (routers, switches, NAS), and Microsoft 365 administration
Be a part of our diverse family at Hai Leck, embracing each other as you discover your unique career potential and find your perfect fit with us. We are committed to unlocking your potential and guiding you to success. Our employees are valued down to their skills, and we are committed to training them and expanding their knowledge.
We would be pleased to welcome you at our family in Hai Leck if you are a suitable member.
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