Network Operations Engineer

Network Operations EngineerOverview🏢 Company | Technology-led financial markets business👤 Team | Network Operations, part of a small network infrastructure team🎯 Impact | Keep low-latency trading and security infrastructure reliable, resilient and ready to scale📏 Environment | Small expert team, live production platforms, cloud and on-premises infrastructure🌟 Skills | Routing, switching, firewalls, OSPF, BGP, packet analysis💰 Offer | £40k to £60k for CCNA-level engineers with 4 to 6 years' experience, up to £85k for experienced mid-level engineers📍 Location | London, with occasional data-centre visits🕒 Hours | Shift rota between 06:30 and 18:30, with occasional weekend and bank-holiday coverThe RoleYou don't need a financial markets background for this. You need solid routing and switching, a working grasp of BGP, and an appetite for operations work on infrastructure where reliability is not theoretical.You'll join a small network team running a low-latency estate across cloud and on-premises environments. Your work keeps live trading platforms, client connectivity and security services running as they should. Day to day, that means hands-on troubleshooting, planned change and client onboarding. You'll dig into issues using monitoring data, logs and packet captures, work with telecoms providers on circuits and leased lines, and see the result of your work in a live environment.Operations comes first here, with project work growing as you do. If you want to learn exchange-grade infrastructure from engineers who care about doing things properly, this is a good place to do it.What you’ll doRun daily checks on network and security infrastructure, catching faults before they become wider issuesInvestigate incidents using monitoring tools, logs and packet captures, then help drive root-cause analysisHandle client onboarding, access requests and decommissioningWork with telecoms providers to resolve circuit, leased-line and connectivity issuesDeliver and validate planned network and security changesSupport live platforms during operational hours and contribute to capacity planningKeep network diagrams, procedures and operational documentation up to dateContribute to infrastructure projects, taking on more ownership as you growWhat you’ll needYou have four or more years in network and firewall engineering, with hands-on RSTP and OSPF, and you've configured and troubleshot network and security kit on Cisco or AristaYou understand BGP well enough to reason about it in a live environment, even if you haven't run it in production yetYou hold a CCNA or work at that level, and you actively want to work in network operations and supportYou'll also be comfortable working with network monitoring platforms and documenting what you do.CCNP or ACE-P, hands-on BGP, financial services experience, Fortinet, firewall cluster policy management, VPNs, Wireshark or tcpdump, PTP, multicast (IGMP, PIM) and Ansible or Python automation would all help, but none is essential.What nextApply to arrange a confidential conversation and receive the full brief.***You must be eligible to work in this location to be considered for this role***