Network Engineer with Cisco and Banking – City London

Company: Nexus Jobs
Apply for the Network Engineer with Cisco and Banking – City London
Location: London
Job Description:

Overview

In this senior role, you will design and deliver secure networking solutions for a banking client, with emphasis on Cisco-based infrastructure and security. You’ll operate within the Infrastructure team, balancing BAU support with scalable project work to improve high-availability networks. The position offers engagement across perimeter to DMZ firewall architectures and security improvements. This is a chance to shape security-led network design in a high-stakes environment.

Pay / Benefits

  • banking benefits

Responsibilities

  • Support BAU and delivery of all infrastructure services
  • Design, build and implement firewall solutions from perimeter to DMZ
  • Support IPS deployment for European branches
  • Develop, maintain and deliver global networking standards
  • Remediate Penetration Test results
  • Ensure migration of network estate to updated security framework

Key requirements

  • CISCO-focused experience with firewalls, switches, and routing
  • Experience with data-centre and inter-branch connectivity
  • CISCO certifications (ideally CCNP) and CISCO CSM
  • VLAN segregation and network segmentation
  • McAfee HIPS, Trend Micro
  • Centralised authentication services (AAA)
  • SafeNet Ethernet Encryptor, RADIUS / RSA
  • Security certifications (advantageous)
  • Banking environment experience
  • Ability to diagnose, troubleshoot and remediate BAU issues
  • Fast thinking
  • Problem solving
  • Ability to work in mission-critical environments
  • CISCO firewalls, switches and routing protocols
  • CISCO multi-layer switches and 6500 series
  • VLAN segregation

…

Posted: September 30th, 2026