Lead Network Engineer | St Louis, MO, USA

London Stock Exchange Group; St. Louis (MO); On-site; USD 80,000 - 120,000; Full time

Job summary

An established industry player is seeking a Lead Network Engineer to ensure the reliability and performance of their global network. This role involves troubleshooting complex network issues, managing vendor relationships, and contributing to innovative network designs. The ideal candidate will possess strong skills in routing, switching, and automation, along with a commitment to operational excellence. Join a diverse and collaborative culture that values integrity and supports professional growth while making a significant impact on the financial markets infrastructure.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Qualifications

• Experience in troubleshooting end-to-end network issues.
• Strong knowledge of routing and switching protocols.
• Proficiency in scripting and automation tools.

Responsibilities

• Monitor network services and identify areas for improvement.
• Manage relationships with service providers and partners.
• Translate business requirements into technical network requirements.

Skills

Troubleshooting network issues

Routing and switching protocols

Network operations

Cisco

Juniper

Arista

Fortinet

F5

L2 & L3 network skills

Scripting and automation (Python, Ansible, Terraform)

Tools

Git

GitLab

Rundeck

Network packet capture tools

Job description

Lead Network Engineer

London Stock Exchange Group, St Louis, United States

We are responsible for the ongoing support and reliability of the LSEG ecosystem, including Platforms, Networks, Applications, Services, and Websites.

We provide 2nd line support to Operations and Project Delivery functions, ensuring operational stability and robustness of the global network. Responsibilities include creating and maintaining software automation to ensure the reliability and availability of digital platforms and delivery pipelines.

Our support extends to the entire technology lifecycle through designing, building, and maintaining systems. We administer network services, ensuring performance against standards, and contribute to infrastructure and network design with innovative solutions.

Responsibilities:

1. Monitor network services focusing on availability and identify improvements.
2. Manage relationships with service providers, third parties, and partners.
3. Make technical design decisions and handle workloads independently.
4. Build, review, and maintain documentation according to industry standards.
5. Define lifecycle management strategies for hardware and software, considering capacity.
6. Support deployment of emerging engineering patterns across teams.
7. Translate business requirements into technical network requirements and contribute to multiple projects with stakeholder updates.

Required Skills & Experience

• Experience troubleshooting end-to-end network issues.
• Knowledge of routing and switching protocols.
• Experience in network operations, project delivery, and engineering.
• Experience with Cisco, Juniper, Arista, Fortinet, F5 (at least 2).
• Strong L2 & L3 network skills, including HSRP, NAT, MPLS, VPN, GRE, BGP, OSPF.
• Multicast skills including IGMP, RP, PIM.
• Knowledge of firewall technologies, including next-generation features.
• Understanding of load balancing and application delivery control.
• Proficiency with network packet capture tools and analysis.
• Knowledge of datacenter networking, SDN, Cisco ACI, VxLAN.
• Scripting and automation skills (Python, Ansible, Terraform, GIT, GitLab, Rundeck).

LSEG is a global financial markets infrastructure and data provider committed to stability, empowering economies, and sustainable growth. We value integrity, partnership, excellence, and change, guiding our actions daily.

Joining us means being part of a diverse, innovative, and collaborative culture that supports sustainability and economic growth, including the green economy and inclusive opportunities.

Our benefits include healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

We are an equal opportunity employer, committed to diversity and inclusion, and provide reasonable accommodations for religious practices, mental health, or physical disabilities.

Please review our privacy notice regarding personal data handling.

If submitting via a Recruitment Agency, ensure candidates are aware of this privacy notice.

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