Lead Network Engineer

Position Summary

The role includes ongoing support and reliability of the LSEG ecosystem (Platforms, Networks, Applications, Services, and Websites). The focus of this role is to provide 2nd line support to the Operations and Project Delivery (Implementation) functions, ensuring operational stability and ongoing adaptability of the LSEG global network. Key responsibilities are creating and maintaining software automation that provides the reliability and availability of digital platforms and their software delivery pipelines.

• Supports the technology lifecycle through the design, build and maintenance of systems
• Administers LSEG network services, ensuring applications and services perform against baseline levels
• Monitors network services, focusing on availability, while identifying improvement opportunities
• Handles service providers (telcos), third parties and partners as required
• Makes technical design and amendment decisions and independently handles workloads
• Crafts, reviews and maintains documentation, compliant with LSEG (industry) standards
• Defines lifecycle management strategies for hardware and software, including capacity considerations
• Supports the deployment of emerging engineering patterns across development teams
• Translates business requirements into technical (network) requirements, through analysis of data
• Collaborates on multiple projects in parallel, providing regular updates to multiple partners
• Builds and validates technical requirements, with emphasis on performance, resilience and operability
• Gets involved in design work in the infrastructure and network domain, providing innovative solutions
• Supports day‑to‑day network operational issues and manages enterprise network

• Rich experience in identifying and solving network issues, end‑to‑end
• Significant experience of routing and switching and routing protocols (CCNA/CCNP preferred)
• Significant experience in network operations, project delivery, and engineering
• Excellent experience in managing enterprise networks
• Good skills in handling DDI/infloblox (L1 Support)
• Excellent in handling and managing Wireless infra
• Significant experience with network technologies, including Cisco, Juniper, Arista, Fortinet and F5 – at least two of these
• Excellent network skills, including HSRP, NAT, MPLS, VPN, GRE, BGP and OSPF
• Basic multicast skills, including IGMP, RP and PIM
• Basic knowledge of firewall technologies, including next‑generation features & function
• Basic knowledge of load balancing technologies, including application delivery control
• Good knowledge of network packet captures, tooling and ability to analyse
• Good knowledge of datacenter networking including Software‑Defined Networking, Cisco ACI, VxLAN
• Good scripting and automation experience (Python, Ansible, Terraform, GIT, Git Lab, Rundeck, etc.)
• Outstanding interpersonal skills, both spoken (verbal) and written English language abilities
• Previous experience working in/with Architecture / Engineering / network operation teams
• Previous experience working with banking infra and supporting financial institution network
• Experience in Cloud, specifically cloud networking standard methodologies
• Proven exposure to the financial sector, including low‑latency (trading) environments
• Experience in managing and handling Enterprise network

• Mid‑Senior level

• Full‑time

• Information Technology

• IT Services and IT Consulting
• Financial Services

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our values of Integrity
, Partnership
, Excellence and Change underpin our purpose and set the standard for everything we do.

We are proud to be an equal‑opportunity employer. This means we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.