London Network Lead: SRE, Automation & Observability

Arcus Search; Greater London; On-site; GBP 85,000 - 120,000; Full time

Job summary

Arcus Search is sourcing a Network Team Lead in London for a leading quantitative technology firm. The role blends hands-on networking with SRE, automation and observability to support large-scale research and compute environments.

You'll work close to engineering, shaping infrastructure, automation, and monitoring. This position offers genuine technical ownership rather than purely managerial duties and is ideal for someone who thrives on solving complex network challenges in a fast-moving,

Qualifications

• Hands-on network leadership across a global, research-focused environment.
• Deep experience with data centre and WAN networking.
• Strong automation and observability capabilities using modern tooling.

Responsibilities

• Lead a highly technical network function and drive infrastructure evolution.
• Collaborate with engineering to advance automation and observability.
• Provide technical ownership beyond management focus.

Skills

Network Leadership

SRE Principles

Automation

Observability

Stakeholder Collaboration

Tools

Cisco

Arista

BGP/OSPF/EVPN/VXLAN/MPLS

Python

Ansible

Infrastructure as Code

Prometheus

Grafana

OpenTelemetry

Job description

Arcus Search is sourcing a Network Team Lead in London for a leading quantitative technology firm. The role blends hands-on networking with SRE, automation and observability to support large-scale research and compute environments.

You'll work close to engineering, shaping infrastructure, automation, and monitoring. This position offers genuine technical ownership rather than purely managerial duties and is ideal for someone who thrives on solving complex network challenges in a fast-moving,