Network Engineer – Trading Contract

In this contract role you will own and operate the on‑premise global network supporting a high‑throughput FX trading platform. You’ll deploy a new high‑performance London hub and onboard global connections, working with multi‑vendor networking gear. You’ll automate configurations, troubleshoot incidents, and drive changes in a fast, market‑critical environment. This position combines cutting‑edge networking with fintech scale and a calm, tech‑driven culture.

• excellent salary and benefits package
• on‑going training
• structured career path
• 3 days a week in the London office

• Manage the on‑premise global network and deploy the London hub
• Onboard new business connections worldwide
• Operate with Arista, Fortinet, Cisco, Juniper and A10 devices
• Promote automated configuration management and tooling
• Troubleshoot incidents and handle escalations; support change management
• Participate in production readiness and reliability initiatives

• Minimum 5 years as a Network Engineer
• Experience with low latency gear and multi‑vendor devices (Arista, Fortinet, Cisco, Juniper, A10)
• Automation experience using Python, Ansible and Jinja2
• Strong knowledge of BGP, OSPF, EVPN, VRFs, VXLAN, route leaking, NAT, IPv6, multicast
• Familiarity with Rest APIs, Git, SSL, DNS, LDAP, DHCP, Linux
• Network certificates (CCNA, CCNP, Fortinet NSE4/7) are advantageous
• Financial sector experience is beneficial

• Arista
• Fortinet
• Cisco routing and switching
• Juniper SRX
• A10 Load Balancers
• FortiManager