Comgent

Senior Network Architect

Comgent

contract

Posted on:

Location Type: Hybrid

Location: London • United Kingdom

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Job Level

Senior

Tech Stack

AWSAzureCloudDNSiOSSwitching

About the role

  • A major banking group operating in EMEA is undergoing a significant infrastructure transformation programme
  • Converging two separate network environments
  • This is a hands-on senior architecture role requiring both strategic thinking and the ability to engage at detailed engineering levels

Requirements

  • 8-10 years of experience
  • Deep expertise in Cisco networking: Nexus (7K, 5K, 2K, 9K), IOS, NX-OS
  • Strong working knowledge of Cisco ACI
  • Expert-level routing and switching: OSPF, BGP, EIGRP
  • Data centre network design: spine-leaf, three-tier, convergence strategies
  • Firewall architecture: Palo Alto (PA-40 series), Cisco ASA
  • WAN/MPLS concepts and managed service architectures
  • IP address management (IPAM) and DNS/DHCP strategies
  • Network security design principles
  • Familiarity with SD-WAN, cloud networking (Azure, AWS), and hybrid connectivity
  • Advantageous Cisco CCIE (Routing & Switching or Data Centre) or equivalent demonstrable expertise
  • Experience with network automation and orchestration tooling
  • Knowledge of co-location and proximity hosting environments
  • Understanding of financial services network requirements
Benefits
  • Start date: Apr/ May 2026
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Cisco networkingNexusIOSNX-OSCisco ACIroutingswitchingOSPFBGPEIGRP
Soft Skills
strategic thinkingengineering engagement
Certifications
Cisco CCIE