Key Responsibilities:

1. IT Support & Helpdesk

Provide technical support and troubleshooting for hardware and software-related issues for end users.
Install, configure, and maintain computers, notebooks, printers, and other IT equipment.
Support Microsoft Windows, Microsoft Office applications, and internal business systems.
Manage user accounts, including user creation, modification, deletion, and password resets.
Develop user guides and provide training and technical assistance to employees.
Coordinate with external vendors for maintenance services and issue resolution.

2. Server & System Administration

Administer and maintain enterprise servers, including both physical and virtual server environments.
Manage Active Directory (AD), file sharing services, print servers, and backup systems.
Monitor server performance, availability, and system health, and resolve operational issues.
Manage user permissions and access rights in accordance with company policies.
Oversee backup operations and perform regular data recovery (restore) testing.
Maintain system configuration documentation and IT asset inventories.

3. Network Infrastructure

Manage and monitor network infrastructure, including LAN/WAN, Internet, Wi-Fi, and network devices.
Configure and monitor switches, routers, firewalls, and wireless access points.
Troubleshoot and resolve network-related issues to ensure optimal performance.
Support connectivity between branch offices and internal corporate systems.
Monitor and improve network performance, reliability, and stability.

4. IT Security

Administer and maintain security solutions, including firewalls, antivirus software, EDR, and access control systems.
Monitor and investigate cybersecurity incidents and security events.
Implement and comply with the organization's IT security policies, standards, and procedures.
Manage system patching and security updates to mitigate vulnerabilities.
Support IT audits and cybersecurity compliance assessments.

5. Data Center & Facility Management

Monitor and maintain equipment and environmental conditions within the Data Center.
Oversee critical facility systems, including power supply, air conditioning, UPS, and emergency power systems.
Monitor and maintain CCTV systems and related security equipment.
Ensure the availability and operational readiness of the organization's IT infrastructure and facilities.

Qualifications:

Bachelor's degree in Information Technology, Computer Engineering, Computer Science, Information Systems, or a related field.
3-5 years of experience in IT Infrastructure administration, including Windows Server, Active Directory, DNS, DHCP, and enterprise networks.
Experience managing servers, storage, virtualization, backup solutions, and network infrastructure.
Hands-on experience with cloud platforms such as Microsoft 365, Azure, AWS, or Huawei Cloud.
Strong troubleshooting and incident management skills across server, network, cloud, and security environments.
Good understanding of IT Security concepts, including Firewall, Antivirus, EDR, Access Control, and Patch Management.
Experience in Backup, Disaster Recovery, technical documentation, and IT asset management.
Knowledge of ISO 27001, IT Governance, or Information Security Management Systems (ISMS) is a plus.
Minimum TOEIC score of 550 required.

Senior IT Infrastructure Officer