Principal Network Engineer

London Stock Exchange Group • Saint Louis, MO

399d

About The Position

As a highly skilled principal network engineer, you will be responsible for the ongoing support and reliability of all components within the LSEG ecosystem, encompassing platforms, networks, applications, and services. In this role, you will provide escalation support for important network services, ensuring the operational stability and performance of the LSEG global network. You will also find opportunities and improvements, then define requirements for software automation to enhance the features, functions and reliability of the network, underpinning LSEG's digital platforms.

Requirements

• Proven experience in network products and services, with specific focus on Cisco WAN technologies, including ASR and Nexus9K.
• Expertise in LAN, WAN, MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2/L3VPN services, Traffic Engineering, and RSVP.
• Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP.
• Proficiency in product-aligned, service-focused work, with a solid grasp of network automation, SRE, and DevOps or equivalent experience.
• Working with Agile methodologies (Scrum, Kanban) and project management tools like JIRA.
• Excellent skills in network packet analysis and packet capture tools for troubleshooting.
• Familiarity with load balancing technologies, TCP/IP, and multicast in internet environments.
• Understanding of low-latency technologies commonly used in the financial sector.
• Experience in Data Centre Networking, including Software-Defined Networking (SDN), Cisco ACI, VxLAN, and related technologies.
• Proficiency in Service Management processes, preferably with ITIL knowledge.
• Excellent spoken and written English skills, enabling meaningful collaboration.

Nice To Haves

• A bachelor's degree or equivalent experience in a technology-related field is essential.
• CCIE certification, is highly desirable (including actively pursuing accreditations).
• Significant experience in technology-focused positions is crucial.
• Extensive knowledge of routing and switching protocols.
• Substantial experience (5+ Years) as a WAN Network Engineer.
• Exposure to Network Service Providers or the Financial Services Sector.

Responsibilities

• Design, build, and maintain systems, software, and applications across various domains, ensuring the highest quality outcomes.
• Independently make technical design and amendment decisions, effectively leading the workload.
• Translate business requirements into technical specifications, ensuring alignment with infrastructure and network capacity needs.
• Develop dashboards to provide near real-time network status.
• Provide in-depth technical support and guidance for all multicast- and WAN-related issues and implementations.
• Lead upgrades, coordinating efforts with internal teams and third parties.
• Build accurate documentation and monitor system performance to support business activities and continuous improvement.
• Support the deployment of engineering patterns and contribute to creating solutions by coordinating design requirements to be automated, tested and released.

Benefits

• Healthcare
• Retirement planning
• Paid volunteering days
• Wellbeing initiatives

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: Securities, Commodity Contracts, and Other Financial Investments and Related Activities
• Education Level: Bachelor's degree
• Number of Employees: 5,001-10,000 employees