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 network engineering 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
• Administer 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 the 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 in handling DDI/infloblox (L1 Support)
• Excellent in handling and managing wireless infra
• Significant experience with network technologies, including Cisco, Juniper, Arista, Fortinet & F5 – at least 2 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 financial sector, including low‑latency (trading) environments
• Experience in managing and handling enterprise network

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 purpose is the foundation on which our culture is built. Our values of Integrity
, Partnership
, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race,…