Network Administrator

Role Summary

1. Windows Server Administration

• Install, configure, and maintain Windows Server 2016/2019/2022 environments
• Manage Active Directory (AD), Group Policy Objects (GPOs), DNS, DHCP, and WSUS
• Administer Microsoft 365 / Azure AD hybrid environments
• Monitor server performance, event logs, and ensure uptime SLAs are met
• Manage user accounts, permissions, and role-based access control (RBAC)
• Patch management, scheduled maintenance windows, and OS hardening

2. Backup Management & Disaster Recovery

• Design, implement, and maintain backup policies using tools such as Veeam, Acronis, or equivalent
• Manage full, incremental, and differential backup schedules across physical and virtual systems
• Test and validate restore procedures on a regular basis — ensuring RTO/RPO targets are met
• Maintain offsite/cloud backup copies and ensure encryption compliance
• Document DR plans and lead or support annual DR drills

3. Server Rack & Data Centre Management

• Physical installation, labelling, and management of servers, switches, patch panels, and PDUs in racks
• Maintain cable management standards — structured cabling (Cat6/6A/Fibre), proper labelling, and documentation
• Monitor temperature, power draw, and cooling in the server room/DC
• Manage hardware lifecycle including procurement support, asset tagging, and decommissioning
• Maintain accurate rack diagrams and infrastructure documentation
• 4.
• Cloud & VPS Infrastructure (AWS, Azure, and Others)
• Provision and manage cloud instances (EC2, VMs, Lightsail, or equivalent VPS environments)
• Configure security groups, IAM roles, VPCs, subnets, and firewall rules on AWS / Azure
• Manage cloud-hosted services including web servers, databases, and application environments
• Monitor cloud resource utilisation and perform right-sizing / cost optimisation
• Manage DNS zones via Route 53, Cloudflare, or similar platforms
• Support hybrid cloud connectivity (Site-to-Site VPN, ExpressRoute, Direct Connect)
• Maintain cloud documentation and enforce tagging standards and naming conventions

5. NAS (Network Attached Storage) Management

• Configure and maintain NAS solutions (Synology, QNAP, or enterprise-grade equivalents)
• Manage RAID configurations, storage pools, shared folders, and volume snapshots
• Set up user/group access permissions and integrate NAS with Active Directory
• Monitor disk health, capacity trends, and generate storage utilisation reports
• Configure replication tasks and sync jobs for redundancy

6. Network Camera, NVR & Surveillance Systems

• Deploy and maintain IP cameras (Hikvision, Dahua, Axis, or similar) and NVR/DVR systems
• Configure camera layouts, motion zones, schedules, and video retention policies
• Manage remote access to surveillance feeds with appropriate access controls
• Troubleshoot connectivity, image quality, and recording issues
• Coordinate with physical security teams for installations and expansions

7. Network Infrastructure & General IT

• Configure and manage switches (managed L2/L3), routers, and access points (Cisco, Ubiquiti, Meraki, etc.)
• Set up and manage VLANs, QoS policies, and inter-VLAN routing
• Maintain and monitor firewalls (FortiGate, pfSense, Sophos, or similar)
• Manage VPN solutions — SSL VPN, IPSec, and remote access configurations
• Monitor network traffic using tools such as PRTG, SolarWinds, Zabbix, or Nagios
• Respond to and resolve network outages, slowdowns, and connectivity issues — including after-hours if required

Core Technical Skills

Operating Systems & Virtualisation

Cloud Platforms

▸ Microsoft Azure (VMs, Azure AD, Monitor)

▸ TCP/IP, DNS, DHCP, VLAN, QoS, STP

Security

Tools & Platforms

▸ Microsoft 365 Admin Centre

▸ Documentation (Confluence, SharePoint, Notion)

Required

• Bachelor's degree in Information Technology, Computer Science, Network Engineering, or equivalent practical experience
• Minimum 4 years of hands-on experience in a network/systems administration role
• Demonstrated experience with Windows Server, cloud infrastructure, and physical networking

Preferred / Advantageous

• CompTIA Network+ or CompTIA Security+
• Cisco CCNA or equivalent networking certification

• Microsoft Certified: Azure Administrator Associate (AZ-104)

• AWS Certified Solutions Architect – Associate or AWS SysOps Administrator
• VMware VCP (vSphere) or similar virtualisation certification
• ITIL Foundation certification (for process and service management alignment)

Professional Competencies

Performance Indicators (Kpis)

• Success in this role will be evaluated against the following metrics:
• Network uptime ≥ 99.5% on core infrastructure
• All backup jobs successful and restore-tested quarterly
• Cloud resource costs optimised month-on-month with documented right-sizing
• Zero unresolved critical tickets beyond agreed SLA thresholds
• Server and network documentation kept current at all times
• Zero security incidents attributable to unpatched systems or misconfigured access
• Surveillance system uptime and retention compliance maintained at 100%