Line Network Support Engineer - ISP

Are you ready to be part of an organization shaping the future of global connectivity and digital transformation?Join a global communications and technology leader delivering secure network, cloud, and digital solutions to businesses and public sector organizations across more than 180 countries. With a strong focus on innovation, cybersecurity, and next-generation connectivity, the organization helps customers modernize infrastructure, enhance customer experiences, and operate more efficiently in an increasingly complex digital world. Backed by global scale, deep technical expertise, and a reputation for reliability, it partners with organizations to drive transformation, improve resilience, and support long-term, sustainable growth.Ready to make an impact with a team that connects the world? Apply today.ResponsibilitiesAct as a 3rd line escalation point for complex network incidents and problems.Troubleshoot advanced issues across LAN, WAN, and SD-WAN environments.Support and optimise HPE Aruba switching estates.Work with Fortinet SD-WAN and Palo Alto Prisma SD-WAN platforms.Collaborate with design and project teams on network improvements and changes.Perform root cause analysis and implement permanent fixes, not just workarounds.Maintain high-quality technical documentation and knowledge base articles.Support secure network operations within regulated and sensitive environments.Skills / Must HaveCCNP-level skills with a current professional-level certification (essential).Strong enterprise networking background (routing & switching).Hands-on experience with HPE Aruba switching.SD-WAN experience (vendor-agnostic accepted).Ability to operate confidently in a 3rd line support capacity.Eligible for SC Clearance (or already SC cleared).Nice to HaveFortinet SD-WAN experience.Palo Alto Prisma SD-WAN exposure.Experience supporting large, multi-site network estates.BenefitsNo on-call rota.Working hours: 9am–5pm, Monday to Friday.Hybrid working with 3 days per week in the office.Choice of office locations: London, Belfast, Birmingham, Sheffield, Manchester, BristolTraining and development support to keep certifications current.Stable, well-run environment with clear technical ownership.Salary£50,000 – £70,000 per annum, depending on experience. #J-18808-Ljbffr