IT Infrastructure Administrator

Job Summary

The IT Infrastructure Administrator (Assistant Manager) is responsible for managing, maintaining, and monitoring the company’s IT infrastructure, network, servers, systems, and security to ensure reliable, secure, and efficient IT operations. The role also supervises, guides, and develops the IT team, coordinates with external vendors, manages IT assets, and supports infrastructure improvements, system upgrades, backup, and disaster recovery activities.

Key responsibilities

• IT Infrastructure Management: Manage, maintain, monitor, and troubleshoot IT infrastructure, including servers, storage, cloud services, and related IT systems. Perform system setup, configuration, upgrades, patching, and preventive maintenance.
• Network Administration: Manage and maintain LAN, WAN, Wi-Fi, switches, routers, firewalls, and VPN. Monitor network performance, troubleshoot connectivity issues, and coordinate with Internet Service Providers (ISPs) and network vendors.
• System Administration: Administer internal systems, applications, user accounts, access permissions, and authentication. Ensure systems are properly configured, updated, secure, and reliable.
• Team Supervision & Leadership: Supervise and guide IT team members, assign and prioritise tasks, monitor work progress, provide technical coaching, set KPIs, conduct performance appraisals with HR, and ensure adequate IT support coverage.
• IT Security & Backup: Maintain security controls, antivirus/endpoint protection, firewalls, and system patches. Support data backup, recovery, disaster recovery procedures, and security incident management.
• Technical Support & Troubleshooting: Diagnose and resolve hardware, software, server, network, and system issues. Manage IT incidents, coordinate with technical teams and vendors, and ensure timely resolution.
• IT Asset & Configuration Management: Maintain IT asset inventories, system configurations, software licences, warranties, and equipment lifecycle records. Coordinate repairs, replacements, upgrades, and disposal.
• Vendor & IT Service Management: Coordinate with IT vendors, software providers, and service providers. Follow up on technical issues, evaluate IT solutions, and monitor vendor performance.
• Documentation & Continuous Improvement: Maintain network diagrams, technical records, IT SOPs, and system documentation. Identify opportunities to improve IT performance, reliability, efficiency, and security, and perform other duties assigned by the superior.

About you

• Bachelor’s Degree in Information Technology, Computer Science, Information Systems, Network Engineering, or a related field.
• 4–5 years of experience in IT infrastructure, network administration, system administration, or a similar role.
• Good knowledge of IT infrastructure, networking, and system administration.
• Hands-on experience with LAN/WAN, TCP/IP, Wi-Fi, switches, routers, firewalls, VPN, and network troubleshooting.
• Knowledge of Windows/Linux servers, cloud services, system administration, user access management, and IT security.
• Familiarity with backup, patch management, monitoring, and troubleshooting.
• Strong analytical and problem-solving skills.
• Able to work independently and manage multiple IT-related tasks.
• Good communication skills and able to work with both technical and non-technical users.
• Experience working with external IT vendors and service providers is an advantage.