IP Test Engineer (Telecoms)£400-£430 per day Inside IR35Location: Slough - 5 days onsite (with 2-3 nights per year out-of-hours work)I''m currently looking for an IP Test Engineer to support a key UK telecoms company working on complex mobile and fixed network changes within a large IP test environment. This role is pure testing- not design and not network operations. You''ll be validating IP network changes in a dedicated testbed to ensure risks are identified and resolved before anything reaches the live network.What you''ll be doingYou''ll be testing IP and transport network changes in a controlled testbed environmentYou''ll analyse test results and challenge outcomes where something doesn''t look rightYou''ll work with simulated traffic using specialist IP test tools to validate performance, resilience and failure scenariosYou''ll review technical documentation and produce test plans, strategies and test exit reportsYou''ll liaise with engineering teams, vendors and internal stakeholders to resolve issuesYou''ll help ensure only compliant, fully tested changes progress into the live networkWhat I''m looking forYou have strong hands-on IP testing experience (not design)You''re confident working with IP protocols and MPLS networksYou can work comfortably on Juniper and/or Cisco CLIYou''ve used IP test tools such as Spirent, IXIA, Wireshark or similarYou''re experienced in analysing test results and documenting outcomesYou''re comfortable working 5 days per week onsite in Sl