Senior Network Engineer - Banking & Finance

Looking for a role with plenty of growth opportunities?

Join a global fintech that combines the pace of a start-up with the delivery of a FTSE-listed business, building trading platforms, data, and client experiences that help thousands of customers access markets and grow their wealth. The organization is driven by people who want to shape what comes next, with innovation as the standard rather than a chapter.

Applications are open for a Senior Network Engineer to join the London engineering team in a senior, hands-on position covering the design, implementation, and ongoing engineering of business-critical network infrastructure for a highly available, performance-sensitive financial environment. The ideal candidate will work alongside senior engineers globally and take ownership across both BAU engineering and large-scale network projects.

Ready to make a move? Get in touch and apply today!

Responsibilities:

• Design, implement and support enterprise and data centre network infrastructure
• Engineer and manage Arista environments, including deployments through Arista CloudVision
• Work across routing, switching, firewalls, load balancing and DNS
• Support CDN and DDoS infrastructure, including platforms such as Akamai / Prolexic
• Contribute to the organisation's migration of workloads into public cloud environments
• Work on new data centre connectivity and infrastructure deployments
• Troubleshoot complex network and performance issues across production environments
• Contribute to network automation and operational tooling
• Work closely with global engineering teams on architecture, standards and technical improvements
• Support highly available and latency-sensitive financial systems

Skills/Must Have:

• Strong senior-level Network Engineering experience
• Excellent routing and switching fundamentals
• Strong hands-on Arista experience
• Experience with Arista CloudVision
• Load balancing experience, ideally F5
• Strong understanding of DNS
• CDN experience, ideally Akamai / Prolexic
• Firewall and network security experience
• Experience designing and implementing networks rather than purely supporting them
• Background working within complex, highly available production environments

Desirable Skills:

• Financial Services, FinTech or electronic trading experience
• Public cloud networking experience across AWS, Azure and/or GCP
• Ultra-low-latency networking exposure
• DDoS mitigation experience
• Network automation using Python, Ansible or similar
• AIOps / AI-driven network operations exposure

Location & Working Pattern:

• London, Moorgate
• Hybrid, 3 days per week in the office

Salary:

• Up to £150,000 base + bonus