3rd Line Network Engineer - London - New! (REFGJ38)A leading IT Managed Service provider in central London who provide solutions across Cloud, Connectivity, Cyber Security & Communications, are looking for an experienced 3rd Line Network Engineer to join them.You will come with strong L2/L3 Routing & Switching skills and hands-on expertise with Next-Gen Firewalls (Fortinet / Palo Alto).You’ll handle complex escalations, deliver network changes, and support customer infrastructure across a diverse tech stack.What you’ll do:Own and resolve 3rd line support ticketsDesign and implement network changesSupport project delivery and mentor 2nd line engineersDocument solutions and perform DR/failover testingQualificationsKey skills required:Advanced L2/L3 networking (OSPF, BGP, EIGRP, RIP)Fortinet and/or Palo Alto firewall configurationExperience with Cisco, Meraki, Aruba, JuniperStrong troubleshooting and packet analysisCCNP or equivalent level knowledgeFamiliarity with cloud (Azure/AWS) and network automation (Python/Ansible)Paying well and offering hybrid working & career progression.Please apply for full details! #J-18808-Ljbffr