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# Network Support Operations Engineer City Financial

- **Company:** gb
Stream Search Limited
- **Location:** London, United Kingdom (Remote available)
- **Experience:** Experienced
- **Salary:** £65,000
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Monitoring of Systems, Internet Group Management Protocols, Python (Programming Language), Network Troubleshooting, Multicasting, Network Monitoring, Packet Analyzer, Ansible, Network Support, Fortinet, Open Network Automation Platform, Cisco
- **Published:** November 14, 2026
- **Apply:** https://www.totaljobs.com/job/operational-support-engineer/stream-search-limited-job108323424

## About the Role

An excellent opportunity for a Network Engineer with CCNA-level skills and around 4 years' experience to join a leading financial exchange in the City., * Circa 4+ years' network and firewall experience.

 * CCNA certification or equivalent practical knowledge.
 * BGP networking experience.
 * Cisco or Arista configuration and troubleshooting.
 * Network monitoring and incident resolution.
 * Strong communication and teamwork skills.

Desirable:

 * Fortinet firewall experience.
 * Multicast (IGMP/PIM).
 * Financial services or trading environment experience.
 * Network automation using Ansible or Python.

## Description

* Monitor and support live network, security and trading infrastructure.
 * Troubleshoot network issues using monitoring tools, logs and packet analysis.
 * Support BGP, client connectivity, onboarding and access.
 * Configure and maintain Cisco or Arista network and security devices.
 * Manage leased lines, circuits and telecoms providers.
 * Support network changes, incident investigation and infrastructure projects.