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

• 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