IT Network Administrator

Job Brief

We are seeking a motivated and experienced IT Network Administrator to join our team. The successful candidate will have a minimum of five years' experience in a medium to large-sized organisational environment and a proven ability to troubleshoot, maintain, and support a wide range of IT systems and technologies.

Key Responsibilities

• Administer, support, and maintain Microsoft Server roles and services, including Active Directory, DNS, WSUS, Microsoft Exchange, and related infrastructure components.
• Provide hardware support, maintenance, and troubleshooting for servers, workstations, and associated IT peripherals.
• Install, configure, support, and maintain operating systems, business applications, and third-party software solutions.
• Assist with database administration activities, including monitoring, maintenance, and routine operational tasks.
• Provide escalation support to Tier 1 Support Technicians, assisting in diagnosing and resolving complex technical issues.
• Support the IT Manager in the administration and maintenance of critical business and IT systems.
• Assist in ensuring that server and workstation operating systems, security solutions, and software applications remain current through the deployment of patches, updates, and security enhancements.
• Provide Tier 1 technical support when required, including desktop support, printer troubleshooting, user account administration, and end-user assistance.
• Deliver telephony support and troubleshooting services to users across the organisation.
• Configure, manage, and troubleshoot managed network switches, including VLAN configuration, trunking, port management, and Power over Ethernet (PoE) devices.
• Support and maintain MikroTik routing infrastructure, including routing configuration, NAT, firewall policies, VPN connectivity, and network troubleshooting.
• Configure, monitor, and maintain wired and wireless network infrastructure to ensure optimal performance and reliability.
• Support, maintain, and troubleshoot CCTV and surveillance systems, including Hikvision cameras, NVRs, and associated networking components.
• Maintain accurate technical documentation, including network diagrams, configuration records, change logs, and troubleshooting procedures.
• Provide on-site technical support and operational coverage in the absence of senior IT personnel.
• Install, configure, and maintain Linux-based desktop environments, including Debian distributions on desktop computers and Raspberry Pi devices.
• Perform routine Linux system administration tasks using the command line, including software installation, updates, package management, and system maintenance.
• Diagnose and resolve Linux operating system and application-related issues to ensure system stability and user productivity.