CareerPlan

Principal Network Engineer

USA-St. Louis-795 Office PkwyFull-time2026-10-07 → 2026-11-10

Core

Ensure ongoing support and reliability of LSEG ecosystem components (platforms, networks, applications, services) and create/maintain software automation for digital platforms and delivery pipelines.

Role type

Senior IC network engineer (automation & 4th-line support)

Builds

Software automation for network reliability and software delivery pipelines

Domain

Financial markets infrastructure / Network engineering

Required skills

Routing and switching protocols, Cisco/Juniper/Arista technologies, LAN/WAN/HSRP/NAT/MPLS/VPN/GRE/BGP/OSPF, Multicast (IGMP/RP/PIM), Data Centre Networking (SDN/ACI/VxLAN), Python, Ansible, Network Packet analysis

Preferred skills

CCIE certification, Low-latency technologies, Network security, Load balancing, TCP/IP, ITIL, Financial sector exposure

Technologies

Cisco, Juniper, Arista, Python, Ansible, SDN, ACI, VxLAN

Responsibilities

Design, build, and maintain systems and applications; Make technical design and amendment decisions; Analyze data and translate business requirements into technical requirements; Coordinate capacity and network upgrades; Lead upgrades with internal teams and third parties; Build accurate documentation and monitor system performance; Support deployment of emergent engineering patterns

Seniority

Manager, hands-on IC