We are seeking a skilled and experienced Network and Security Engineer to manage and optimize our network infrastructure, ensuring the security, availability, and performance of our systems. The successful candidate will be responsible for handling both Layer 2 and Layer 3 switching, routing, firewalls, virtualization, and troubleshooting across multiple operating systems. The role requires hands-on experience in datacentre environments, networking, and security, with an emphasis on Cisco routers and firewalls.