Senior Network Architect

Transaction Network Services London, England Nov 20, 2025

Type Full Time
Pay £140,000
Work Onsite
Level Senior

Senior Network Architect focuses on develop scalable, consistent and supportable technical solutions.

What the role involves

  • Develop scalable, consistent and supportable technical solutions.
  • Provide third-level support to TNS’ Network Operations Center staff, and Implementations teams.
  • Develop and document detailed lab test plans and reports, document procedures and new configurations.
  • Provide training for operations departments and other engineers.
  • Provide written troubleshooting, debugging, and problem detail to vendors.
  • Interact with vendors to resolve problems and bugs, and perform hands-on testing, configuration, and troubleshooting.

Skills and requirements

  • Extensive hands-on experience with the design and configuration of Fortinet FortiGate devices, particularly within SD-WAN topologies.
  • Proficient in IPSec (including DMVPN and RRI) design, configuration, operation, and troubleshooting.
  • Experience in designing cloud-based architectures in AWS/Azure/GCP.
  • Experience in network design and implementation based on high-level customer requirements.

Candidate fit

  • automation discipline, troubleshooting, documentation, and confidence with operational reliability
Career guide

Learn more about this role

Explore the matching JobPedia guide for deeper duties, skills, salary context, and career paths.

JobPedia role guide

What does a Architect actually do?

Explore the real work behind the title, from day-to-day responsibilities to how the role works in practice for Architect.

Keep exploring similar roles

Search for more Senior Network Architect jobs from Transaction Network Services in London, England.