Lead Network Engineer

Benefits We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career We enhance each employee's potential through personal development through a wide range of learning tools both formal and informal. 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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that 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. 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 / 3rd / 4th 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 Required Skills & Experience Rich experience in identifying and solving network issue s, end-to-end. Significant experience of routing and switching protocols (CCIE preferred) Significant experience in network operations, project delivery and engineering Significant experience with network technologies, including Cisco, Juniper, Arista, Fortinet & F5 - at least 2 of these Excellent L2 & L3 network skills, including HSRP, NAT, MPLS, VPN, GRE, BGP and OSPF Excellent multicast skills, including IGMP, RP and PIM Excellent knowledge of firewall technologies, including next generation features & function Excellent knowledge of load balancing technologies, including application delivery control Excellent knowledge of network packet captures, tooling and ability to analyse Excellent knowledge of datacenter networking including Software Defined Networking, Cisco ACI, VxLAN Good scripting and automation experience (Python, Ansible, Terraform, GIT, GitLab, Rundeck, etc) Good appreciation of Service Management processes, ideally ITIL knowledgeable, service focused Outstanding interpersonal skills, both spoken (verbal) and written English language abilities Required Skills & Experience Previous experience working in/with Architecture / Engineering teams Previous experience working in/with InfoSec / Cyber teams Previous experience working with Audit / Risk teams Experience in Cloud, specifically cloud networking standard methodologies Proven exposure to financial sector, including low latency (trading) environments Proud to share LSEG in the India is Great Place to Work certified (Jun '25 - Jun '26). Learn more about life and purpose of our company directly from India colleagues' video: Bengaluru, India | Where We Work | LSEG Benefits We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career We enhance each employee's potential through personal development through a wide range of learning tools both formal and informal. 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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that 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. 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 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, 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. You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence . Colleagues can get involved through fundraising and volunteering. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject . If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.