Senior Network Engineer

In this role, you will own the design, deployment, and ongoing evolution of a global network spanning data centres, trading environments, and enterprise locations. You will lead end-to-end network projects, manage third-party connectivity turn-ups, and serve as the senior technical escalation point for complex incidents. You will drive automation and AI-enabled improvements to operations, improving observability and incident response. You will mentor junior engineers and ensure rigorous documentation and cross-region handovers. This is a hands-on, impact-focused opportunity in a high-performance financial services setting.

• Design and implement data centre and enterprise network solutions (new builds, refreshes, migrations)
• Deliver end-to-end projects with HLD/LLD, build, test, cutover, and handover
• Turn up and support third-party services (CDN, extranet, VPN)
• Lead routing and switching design across Juniper, Arista, Cisco (BGP/OSPF/EIGRP)
• Design, build and support EVPN/VXLAN fabrics using Arista EOS
• Act as senior escalation for major incidents: triage, RCA, remediation
• Build and maintain automation/tooling with Python, Ansible, Git
• Improve observability/operations with Grafana, Splunk, ServiceNow; apply AI for proactive troubleshooting
• Maintain infrastructure hygiene: upgrades, audits, standards adherence
• Mentor junior engineers and ensure strong documentation and cross-region handovers

• CCNP Routing & Switching (or equivalent)
• JNCIP-Junos (or equivalent)
• Foundational wireless certification
• Degree in Computer Science/Engineering (or equivalent practical experience)
• Strong routing/switching design across Junos, Arista EOS, Cisco IOS (BGP/OSPF/EIGRP)
• Hands-on EVPN/VXLAN design and implementation on Arista
• Working knowledge of Palo Alto firewalls and F5 load balancers
• Proven automation/scripting experience using Python and Ansible in production networks
• Calm under pressure with incident leadership, RCA, and remediation
• Experience mentoring others and producing clear, high-quality technical documentation

• calm under pressure
• mentoring
• clear, high-quality documentation
• Juniper/Junos
• Arista EOS
• Cisco IOS