Senior Network Engineer

Overview

In this role you will help design, deploy and safeguard a world-class trading network spanning data centers, 3rd-party colocation, and cloud providers. You’ll collaborate with trading systems developers to deliver a low-latency, stable platform that supports critical market activity. You’ll drive network projects and optimize services across internal and internet-facing components. The position offers a chance to shape the next phase of a sophisticated, mission-critical network in a premier London team.

Responsibilities

• Design and deployment of new network topology to support the trading environment
• Manage multiple network projects from planning to implementation
• Configure and optimize network services across internal and external (cloud/colocation) environments
• Collaborate with trading systems developers to deliver a performant trading platform
• Monitor, diagnose and resolve network issues to maintain stability and integrity

Key requirements

• Extensive routing and switching protocols knowledge; CCIE preferred
• Unicast: OSPF, BGP, NAT, IPSEC, GRE; Multicast: PIM, RP, MSDP, IGMP
• Switching: QoS, HSRP/VRRP, VPC/MLAG; Voice: SIP, SCCP, H.323
• Hands-on experience with Cisco Unified Communications products (UCM, Unity Connection, Expressway, Jabber/WebEx Teams)
• Strong scripting/automation experience, Python preferred
• Strong network diagnostics, monitoring and alerting experience

• Collaboration with cross-functional teams
• Problem-solving under pressure
• Attention to detail
• Cisco Unified Communications products
• Cisco routing and switching protocols (OSPF, BGP, NAT, IPSEC, GRE)
• Multicast protocols (PIM, RP, MSDP, IGMP)

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