Network Team Lead

Location: Hybrid, London, United Kingdom

Salary: £150,000 base plus discretionary annual bonus

Company

Leading quantitative technology firm operating a sophisticated network environment.

What you will do

• Lead the operational performance, stability, and availability of datacentre, WAN, and campus networks.
• Provide technical leadership for network operations and incident response.
• Investigate and resolve critical network incidents while driving long-term improvements.
• Develop automation using Python, Ansible, and Infrastructure as Code.
• Improve network monitoring, telemetry, alerting, and observability.
• Develop operational tooling, runbooks, and incident response processes while supporting architecture, upgrades, capacity planning, and performance optimisation.

Requirements

• Strong hands-on network engineering experience in enterprise or large-scale environments.
• Experience across datacentre, WAN, and campus networking.
• Strong Cisco or Arista experience and a solid understanding of L2/L3 networking, BGP, and EVPN-VXLAN.
• Experience with firewalls, load balancers, proxies, network observability, and monitoring.
• Experience with Python, Ansible or similar automation tooling, Infrastructure as Code, and CI/CD.
• Strong incident management, troubleshooting, and technical leadership experience.

Culture & Benefits

• Hands-on technical leadership within a quantitative technology environment.
• Opportunity to shape network engineering delivery through automation, observability, and modern infrastructure practices.
• Highly competitive base salary and discretionary annual bonus.