Senior Network Engineer

Job Title: Senior Network EngineerRole:Are you an experienced Senior Network Engineer looking to join a growing and highly specialised network ISP? We’re working with a company that focuses on delivering cutting-edge network services for enterprise and service provider clients. With continued growth and significant demand across their portfolio, they’re now looking to strengthen the engineering team with a senior hire. This role is all about troubleshooting, advanced escalation, and ensuring core infrastructure runs seamlessly — with scope to get involved in design and emerging tech projects along the way.Responsibilities:As part of the core operations function, you’ll serve as a trusted Tier 3/4 escalation point, working on high-impact issues while also contributing to future-proofing initiatives.Provide advanced troubleshooting and resolution for routing, switching, and MPLS networks.Configure, optimise, and maintain Nokia-based core systems.Act as Tier 3/4 support for major incidents and complex faults.Contribute to configuration and design projects alongside operational work.Gain exposure to Fortinet SD-WAN, Ciena, and Nokia kit as part of network operations.Support ongoing service improvements and technical excellence.Skills / Must have:Strong knowledge of routing, switching, and MPLS (Nokia core preferred).Solid experience with OSPF and ISP-level networking.Track record of handling senior-level escalations and troubleshooting complex networks.Nice to haves:Hands-on experience with Nokia equipment.Familiarity with Fortinet SD-WAN and/or Ciena solutions.Background at a Tier 1 ISP or comparable network service provider.Salary: Up to £80,000 per annum (depending on experience).Location / Work Setup: Offices in Shropshire, Manchester, or London. Ideally, candidates should be based within 50 miles of one of these sites. Standard working hours are 9am–5pm.