3rd Line Engineer Norwich (onsite) (phone number removed) REED Technology is working with a well-established organisation in Norwich to recruit a highly capable 3rd Line Support Engineer. This role is ideal for a technically advanced professional with strong networking expertise and a passion for solving complex IT challenges across commercial, governmental, and educational environments.Key Responsibilities:Provide expert-level support for escalated technical issues across hardware, software, and networking.Lead troubleshooting and resolution of complex network incidents and performance issues.Configure, maintain, and troubleshoot network infrastructure including switches, routers, firewalls, and wireless access points.Design and implement secure LAN/WAN architectures and VPN solutions.Monitor network traffic and performance using diagnostic tools such as Wireshark, SolarWinds, or similar.Manage IP addressing schemes, VLANs, and routing protocols (e.g., OSPF, EIGRP).Ensure network security through access controls, firewall policies, and intrusion detection systems.Collaborate with infrastructure and security teams on network upgrades, migrations, and architecture planning.Support server environments including Windows Server, Active Directory, and Microsoft Exchange.Maintain accurate documentation of network configurations, changes, and incident resolutions.Evaluate and recommend new technologies to improve operational efficiency and network resilience.Skills and Experience: