Principal Network Engineer

About the role

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG's ticker symbol is LSEG. Our People: People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and exciting experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential. We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organization spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with relevant careers. Role Summary: 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.

Responsibilities

• We will play a pivotal role in designing, building, and maintaining systems, software, and applications across various domains, ensuring the highest quality outcomes. We will independently make technical design and amendment decisions, effectively leading the workload.
• By analysing data and understanding business requirements, we will translate them into technical specifications, ensuring alignment with infrastructure and network capacity needs. We will develop dashboards to provide near real-time network status.
• When necessary, we will lead upgrades, coordinating efforts with internal teams and third parties. Building accurate documentation and monitoring system performance are essential to support business activities and continuous improvement.
• We will support the deployment of engineering patterns and contribute to creating solutions by coordinating design requirements to be automated, tested and released.

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

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