Key Responsibilities
- Administered and maintained enterprise network infrastructure, including LAN, WAN, VPN, and wireless networks across multiple locations.
- Managed, configured, and troubleshot Cisco routers, switches, firewalls, Meraki cloud-managed devices, and Fortinet security appliances.
- Designed and implemented scalable network solutions to support business growth, security requirements, and operational efficiency.
- Monitored network performance, availability, and security using PRTG Network Monitor, Meraki Dashboard, and FortiAnalyzer.
- Led network security initiatives, ensuring compliance with organisational security policies and industry best practices.
- Performed firmware upgrades, patch management, vulnerability remediation, and health assessments across network and security platforms.
- Investigated and resolved complex network, connectivity, and security incidents to minimise downtime and maintain service levels.
- Managed Cisco VoIP infrastructure, supporting telephony services and ensuring reliable communications.
- Administered Microsoft 365 and hybrid identity environments, including user account management, access controls, and permissions.
- Supported VMware/vSphere infrastructure through server provisioning, resource allocation, backup management, and troubleshooting.
- Collaborated with internal stakeholders, third-party vendors, and project teams to deliver infrastructure and security projects.
- Implemented and maintained routing, switching, firewall, and wireless networking solutions to optimise performance and resilience.
- Conducted network performance analysis and capacity planning to support future infrastructure requirements.
- Maintained technical documentation, network diagrams, operational procedures, and disaster recovery plans.
Technologies & Tools
Networking & Security
- Cisco Routers and Switches
- Cisco VoIP
- Cisco Meraki
- Fortinet Firewalls & Security Solutions
- LAN/WAN Technologies
- VPN Connectivity
- Wireless Networking
Monitoring & Management
- PRTG Network Monitor
- Meraki Dashboard
- FortiAnalyzer
Infrastructure & Virtualisation
- VMware vSphere
- Microsoft 365
- Hybrid Active Directory Environments