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Principal Network Engineer

Job in Creve Coeur, St. Louis County, Missouri, USA
Listing for: London Stock Exchange Group
Full Time position
Listed on 2025-12-02
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Network Engineer, Cloud Computing
Job Description & How to Apply Below
Principal Network Engineer page is loaded## Principal Network Engineer locations:
USA-St. Louis-795 Office Pkwytime type:
Full time posted on:
Posted Todayjob requisition :
R0113059

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 3rd 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.
Role Responsibilities  Supports the technology lifecycle through the design, build and maintenance of systems  Administer LSEG network services, ensuring applications and services perform against baselines 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, complaint 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 to multiple projects in parallel providing regular updates to multiple partners  Builds and validates technical requirements, with emphasis on performance, resilience and operability  Gets involved into design work in the infrastructure and network domain, providing innovative solutions,  Support day to day network operational issues and manage enterprise network.
Required Skills & Experience  Rich experience in identifying and solving network issues, end-to-end.  Significant experience of routing and switching and Routing protocols (CCNP / CCIE 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    Required Skills & Experience  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.

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 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…
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