Network Administrator

SUMMARY:
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 by deploying 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.

POSITION INFO:
Ideal Requirements for the Perfect Candidate Solid understanding of Windows Server \/ Active Directory Basic to intermediate understanding of networking principles (TCP\/IP, DHCP, DNS, VLANs) Experience with MikroTik RouterOS \/ Firewalls Experience with VPN fundamentals and technologies, including WireGuard, OpenVPN, etc Basic understanding of routing concepts (static routes, NAT, basic firewall rules) Experience with Wi-Fi deployment and troubleshooting - UniFi Software and Access Points Ability to diagnose and resolve basic network connectivity issues Understanding of PoE-powered devices (cameras, Access Points and VoIP phones) Proven experience as an IT Administrator or relevant position - 5 years minimum Certification as IT \/ Network Technician (e.g. CompTIA A+ \/ N+, Microsoft Certified IT Professional, MCDBA) or higher Must have own reliable transport Preferred Skills and Competencies Reliable and able to work independently when required Good communication skills Attention to detail Willingness to be on standby or assist after hours if needed Strong problem-solving mindset and willingness to learn Strong sense of ownership and accountability Positive attitude and willingness to assist others Ability to remain calm under pressure