SENIOR NETWORK ENGINEER LONDON (4 DAYS ONSITE) £65,000 - £75,000 ASAP START A

Senior Network Engineer

is required to work for a world-leading quantitative research and technology firm operating at the cutting edge of financial markets. They specialise in building high-performance, ultra-low latency systems that process vast amounts of real-time data to power automated trading strategies. With a strong focus on innovation and automation, they operate one of the most advanced and sophisticated network infrastructures in the industry. You will be responsible for designing, building, and supporting low-latency network infrastructure in colocation environments, working across multi-vendor platforms such as Cisco and Arista. This includes hands-on data centre work, maintaining global WAN and cloud connectivity, troubleshooting multicast and low-latency networks, implementing timing solutions, and managing monitoring tools. You will also support exchange connectivity, drive network automation, and collaborate with teams to enhance performance and reliability. Required Skills: Strong hands-on experience in routing & switching within complex, multi-vendor environments (Cisco/Arista) Strong understanding of networking fundamentals: BGP, OSPF, VLANs, STP, QoS (Layer 2/3) Working experience in Co-Lo / Data Centre environments Firewall knowledge (Fortinet preferred) Exposure to automation If you're ready to take on a high-impact role in a cutting-edge environment, apply now to be part of a team driving next-generation network innovation. *PS: The Company can't provide any sponsorship, so only candidates with the existing right to work in the UK will be considered for this role.

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