Role: Senior Network EngineerLocation: London (on-site with out-of-hours requirements)Salary: £70,000-£90,000 + bonusBenefits: Share plan, private healthcare, pension, 25 days leave + moreOur client, a leading organisation in network infrastructure and managed services, is hiring a Senior Network Engineer to lead and support the ongoing development of a high-performance network environment.This role offers the opportunity to shape and scale critical infrastructure, lead a talented engineering team, and play a key role in delivering reliable, customer-centric network services.What you''ll doLead and develop a high-performing network engineering teamTroubleshoot complex network issues across enterprise environmentsCommission, maintain, and upgrade network infrastructureAct as an escalation point for technical issues and incidentsBuild and maintain technical documentation, processes, and knowledge baseYou''ll work closely with internal teams, customers, and third-party suppliers to ensure high service standards and continuous improvement across the network estate.What we''re looking for5+ years'' experience in an ISP, MSP, or SME environmentStrong team leadership combined with hands-on network engineeringSolid knowledge of routing, switching, and wireless technologiesExperience with MPLS/VPLS, BGP, and TCP/IP/OSI modelsExpertise in Juniper environments (including RSVP MPLS, VPLS, dual stack)The ideal candidate will bring a proactive mindset, strong problem-solving skills, and a