Senior Network Engineer

Location:

London or Sheffield (Hybrid: ~2 days per week on-site)

Level: Professional (Band P3)

Are you a CCNP-level engineer with a passion for hybrid cloud environments? We are looking for a high-caliber Network Engineer to join our IT Infrastructure and Operations team for a critical 6-month project.

This role sits at the heart of our Platforms team, where you’ll bridge the gap between traditional on-premises networking and cutting‑edge Azure cloud infrastructure.

You will be responsible for the reliability, security, and performance of our network across both on‑premises and Azure environments. Your day‑to‑day will involve:

• Cisco Networking:
  Designing and maintaining secure LAN/WAN infrastructure (switches, routers, and structured cabling).
• Cloud Integration:
  Leading the design of Azure virtual networks, subnets, NSGs, and Express Route.
• Security First:
  Managing enterprise‑grade firewalls (On‑prem and Azure WAF) to protect business‑critical workloads.
• Technical Leadership:
  Providing 3rd line support, directing root cause analysis, and governing complex network changes.

• Cisco Expertise:
  Must hold a Cisco Certified Network Professional (CCNP) or equivalent industry certification.
• Hybrid
  
  Experience:
  
  Proven track record in managing secure, scalable network architectures across hybrid environments (SFIA Level
  5).

• Infrastructure as Code (IaC) skills (Terraform).
• Experience in Financial Institutions or UK Government sectors.
• Familiarity with Zero Trust architecture and modern segmentation.

This is a chance to provide strategic oversight on high‑availability systems within a regulated banking environment. You'll work with a talented IT Operations team and managed service providers to deliver reliable, efficient, and secure IT services.

Are you ready to optimize our enterprise network?