Senior Network Engineer

🔒 Confidential Employer
Posted 24 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£200,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Cisco Juniper MPLS BGP Python scripting Automation Linux VXLANs

FULL DESCRIPTION

Job Description

**Role: Senior Network Engineer
**Client:** [Employer hidden — view at passion-project.co.uk]
**Compensation: Top end base salary + bonus paid
**Location:**Not Specified (Hybrid)

**Overview**
An [Employer hidden] are now seeking a Senior Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCIE qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile who would look to build ultra-fast and reliable connectivity to proprietary trading technology, invariably around a bleeding edge Cisco environment.

**The Role**
Apply now for a fast track process, with a bleeding edge technology trading firm. This role offers hybrid working, a great culture, and the opportunity to work on industry-leading networks within a high-frequency trading environment.

Key responsibilities include:

  • Design, deploy and troubleshoot global network infrastructure
  • Design industry leading networks
  • Implement optimisations to build low latency network
  • Work on network redesign, expansion and upgrade
  • Support trading teams in relation to high frequency
  • Automation, capacity planning and connectivity advancement
  • Manage network expansion, upgrades and support
  • Provide expert support to high frequency trading teams

**Requirements**

  • LAN/WAN, Data Centres - VXLANs
  • Cisco, Juniper, Arista
  • Security - Palo Alto & Fortinet
  • MPLS, BGP, OSPF, multicast, TCP/UDP
  • Automation and Python scripting, Ansible, Terraform
  • Linux operating systems
  • Financial/Trading environment
  • Cisco CCIE/CCDE qualified or equivalent experience in a trading environment

**What’s on Offer**

  • Bleeding edge technology trading firm environment
  • Top end base salary + bonus paid
  • Hybrid working options
  • Great company culture
  • Fast track application process

If you are interested in this Senior Network Engineer position and meet the above requirements please apply immediately.

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