IT Support Engineer

O2 NETWORK PTE. LTD.; Singapore; On-site; SGD 40,000 - 60,000; Full time

Job summary

O2 NETWORK PTE. LTD. is seeking an IT System Administrator to manage and maintain our IT infrastructure, including Windows servers, networking, and cloud services.

The role requires ensuring security, backups, and smooth operation of telecom systems such as VoIP and video conferencing. You will collaborate with a Cyber-Security Engineer, manage Microsoft 365 services, and handle asset management, purchases, and end-user support.

Qualifications

• Diploma or bachelor’s degree in information technology, Computer Science, or related field.
• Minimum of 2 years of related working experience.
• Experience with Networking, Network security, and User support.
• Experience in Microsoft SQL databases and Microsoft Office 365.

Responsibilities

• Manage and maintain IT infrastructure including Windows servers, DNS, DHCP, VM, Azure servers, NAS, firewall, and network devices.
• Collaborate with Cyber-Security Engineer to manage Bitdefender endpoint security and perform regular backups for disaster recovery.
• Set up and configure telecommunication systems including VoIP and video conferencing.

Skills

Windows Server

Networking

Security

User Support

Azure

Microsoft 365

Backup & DR

VOIP

LAN/WAN

Education

Diploma or Bachelor’s in IT

Tools

DNS

DHCP

VM

Azure Servers

NAS

Firewall

Switches

PBX VOIP

NVR/CCTV

Printer management

SharePoint Online

OneDrive

Teams

Azure Active Directory

Microsoft 365 Admin Center

Backups

Bitdefender

SQL databases

Job description

Job Description

Manage and Maintain IT Infrastructure:

• Oversee and maintain Windows Servers, DNS, DHCP, Virtual Machines (VM), Azure Servers, NAS, firewall, and network devices including network switches, wireless access points, PBX (VOIP), NVR, CCTVs, door access face recognition devices, and printers.
• Collaborate with the Cyber-Security Engineer to manage the company's Bitdefender endpoint security and to perform regular backups of all servers, ensuring disaster recovery and business continuity.
• Set up and configure to telecommunication systems, including VoIP (Voice over Internet Protocol), telephones, video conferencing systems, and other communication platforms.

Network Management:

• Assist in maintaining and optimizing network performance, including monitoring systems, responding to alerts, and resolving issues related to network speed, connectivity, and security.
• Perform routine network diagnostics to identify, troubleshoot, and resolve issues affecting LAN/WAN, Wi-Fi, and other network infrastructures.
• Ensure the proper configuration and operation of network devices, such as routers, firewalls, and switches.

Microsoft 365 Administration:

• Manage the Microsoft 365 Admin Center (Global Admin), including the company's SharePoint Online, OneDrive, Teams, and other services within the admin center.
• Commission or decommission corporate accounts for employee onboarding and offboarding via the domain server and Azure Active Directory.

IT Purchases and Asset Management:

• Manage IT-related purchases and maintain an up-to-date inventory of hardware and software assets.
• Oversee the commissioning and decommissioning of IT assets for employees to ensure efficient resource management.

Technical Support (L1 & L2):

• Provide Level 1 and Level 2 technical support to resolve end-user requests and queries related to various technology issues.
• Offer support for end-user devices such as laptops, desktops, and other company equipment.

Ad-Hoc Duties:

• Perform any other ad-hoc duties as assigned by the immediate supervisor to support the overall IT operations of the company.

Job Requirements

• Diploma or bachelor's degree in information technology, Computer Science, or a related field.
• Minimum of 2 years of related working experience.
• Experience with Networking, Network security, and User support.
• Experience in Microsoft SQL databases.
• Experience in Microsoft Office 365.
• Good problem solving and analytical skills.