56 lead network engineer jobs found

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...

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...

Company Profile LSEG (London Stock Exchange Group) is a world-leading financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering services across Data & Analytics, Capital Markets, and Post Trade.  Backed by three hundred years of experience, innovative technologies, and a team of over 23,000 people in 70 countries, our purpose is driving financial stability, empowering economies, and enabling customers to create sustainable growth. Role Profile In this role, you'll be joining our Site Reliability Engineering Team within Cloud Productivity & Engineering (CPE) as a Senior Manger, Cl oud SRE reporting directly to the Director for SRE. This team focuses on building, developing, and supporting our Azure cloud platform to accelerate the time-to-market of innovative finance products. Engage in designing, developing, and building complex cloud services and capabilities. Work...

We are seeking a strategic and technically adept Lead Data Scientist for the Demand and Capacity Management automation function. This role is pivotal in shaping our flag ship product capacity management software. ·        Lead continuous governance efforts, driving the adoption and integration of standard methodologies for efficient technology resource utilization. ·        Identify and address costly or unjustified infrastructure usage; collaborate with operations, engineering, and proposition teams to implement corrective actions. ·        Ensure infrastructure requirements are embedded in all growth and transformation initiatives. ·        Develop and enhance forecasting models and scenario planning tools to support the future-state hybrid operations of LSEG Technology. ·        Partner with Technology Infrastructure, Cloud, and Finance teams to assess CapEx and OpEx for capacity solutions, chipping in to accurate budgeting and financial planning. ·    Key...

Role Summary Division, Business or Function Cyber Security, Security Engineering Career Stage & Global Grade Senior Associate, GG11 Role Title: Senior Security Engineer Status New role or combination of existing roles If combination, what were the original grade/career stage Any confidentiality or regulatory constraints New Role. No specific confidentiality or regulatory constraints above those of a standard LSEG employee. Not an approved person or similar. Role Purpose Developing and automating cyber defence capabilities to protect the group from cyber threats which seek to impact the confidentiality, integrity and availability of group assets. Domain area is Network Security. Reports to Senior Manager, Network Security Direct reports No direct FTE reports. May lead contingents and vendor/partner resources in their deliveries. Key relationships & committees Collaborators include the wider security team including security architecture,...

Key Functions and Responsibilities As a Lead Software Engineer, The candidate should have experience in designing solutions for business problems that involve complex User Interfaces, data intensive operations and process hand-offs.. Role Responsibilities & Key Accountabilities: - Demonstrates extensive knowledge of technologies and/or SME knowledge of a technology, advising others on design, development and implementation - Advances tools and applications by producing expert code and producing the right solutions needed - Handles own workload and promotes an inclusive and open culture - Identifies, prioritises, and drives tasks in the software development life cycle (Agile) - Is regarded as the point of contact in their domain by showing significant depth of knowledge and expertise in software development and develops further knowledge of other domains to act on linkages and dependencies - Understands how the technology / domain strategy relates to and impacts own work,...

Role Responsibilities & Key Accountabilities: - Leads projects priorities, deadlines, and outcomes. - Utilises deep knowledge of site reliability, software engineering, programming languages, tooling, frameworks, infrastructure and systems for each task. - Leads designs of software components, systems, and features to improve the availability, scalability, latency, and efficiency of LSEG’s services. - Leads sustainable incident response and production improvements for LSEG. - Provides mentorship and advice to other team members on leading availability and performance of critical services, building automation to prevent problem recurrence, and building automated responses for non-exceptional service conditions. - Mentors and trains other team members on design techniques and coding standards, and cultivate innovation and collaboration. - Writes and reviews highly optimised and accurate code for LSEG products and solutions and provides feedback and suggested improvements to team...

The Directory Services Security Team (DSST) protect the authentication services across Windows and Unix/Linux. We are looking for a Unix/Linux security specialist to join the team an expanding team, solving hard problems and evolving protections. You will need to have a good understanding of the technologies used for the implementation of security initiatives and standards. You will have demonstrable experience in developing, maintaining, advising, and hardening operating systems and common applications. You'll be implementing controls to lockdown and secure systems and devices. It is a highly focused, security centric role, looking at the standard methodologies for securing our privileged access accounts, security groups and servers within the estate. We proactively prevent and resolve vulnerabilities on servers in the Group. The whole team possesses broad skills including an emphasis on Security as well as problem solving through to resolution. Day-to-day activities include...

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 Job Title: Senior Analyst - Customer Support (GG9) LSEG Technical Support is searching for highly motivated persons to participate on the growing team with footprints across the globe. The ideal candidate would be Senior Analyst with strong analytical skills, have a strong desire to learn and possess a good sense of customer service. Technical Support works in the fast-paced environment of Market Data where our customers expect timely and accurate resolutions. We are looking for individuals that exude ownership and follow through on commitments to our customers. The qualified and successful candidate will be part of the Desktops/Senior Analyst Operations team and would be expected to adapt quickly and work in a shared environment to deliver a positive customer...

Job Title: Senior Analyst - Customer Support (GG9) LSEG Technical Support is searching for highly motivated persons to participate on the growing team with footprints across the globe. The ideal candidate would be Senior Analyst with strong analytical skills, have a strong desire to learn and possess a good sense of customer service. Technical Support works in the fast-paced environment of Market Data where our customers expect timely and accurate resolutions. We are looking for individuals that exude ownership and follow through on commitments to our customers. The qualified and successful candidate will be part of the Desktops/Senior Analyst Operations team and would be expected to adapt quickly and work in a shared environment to deliver a positive customer experience. Role Purpose: Provide technical support for complex issues affecting Refinitiv products to customers, internal partners, and 3rd party engineers. Remotely resolve issues or look for trends and implement...

Job Title: Senior Analyst - Customer Support (GG9) LSEG Technical Support is searching for highly motivated persons to participate on the growing team with footprints across the globe. The ideal candidate would be Senior Analyst with strong analytical skills, have a strong desire to learn and possess a good sense of customer service. Technical Support works in the fast-paced environment of Market Data where our customers expect timely and accurate resolutions. We are looking for individuals that exude ownership and follow through on commitments to our customers. The qualified and successful candidate will be part of the Desktops/Senior Analyst Operations team and would be expected to adapt quickly and work in a shared environment to deliver a positive customer experience. Role Purpose: Provide technical support for complex issues affecting Refinitiv products to customers, internal partners, and 3rd party engineers. Remotely resolve issues or look for trends and implement...

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 1st/ 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...

The Security Testing Operations Analyst is a crucial role for the vulnerability management and offensive testing activities across the group to which protects the business from sophisticated cyber threats! The role holder will work with our 3rd party vendors to plan and facilitate our testing programmes ensuring they run efficiently. These programmes include our regulator led Thread Intelligence Led Pen Testing (TLTP), Red teaming, Social engineering simulations, B ug Bounty and external vulnerability scanning services. The applicant will be a domain authority on vulnerability impact and risk, provide insight on root cause analysis and remediation. This role requires working closely within a technical team and with external teams, BISOs, the GSOC, and other entities. The candidate will stay ahead of emerging cyber security thought leadership sharing ideas for areas of improvement and innovation to support good risk decisions making that drive continuous security risk...

ABOUT US: 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, manage 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....

Senior Data Engineer- Customer Lifecycle Engineering, CMR ABOUT US: 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 dedication 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, manage 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 65 countries across EMEA,...

ABOUT US: 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, manage 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...

Role Description   We are seeking a passionate and skilled Front-End Developer to join our Engineering Team within Engineering Excellence & Productivity (EXP), Corporate Technology (CT). As a senior-level developer, you will play a crucial role in building and enhancing our internal developer portal, focusing on delivering exceptional user experiences for our development community. You will apply your expertise in ReactJS and TypeScript to create intuitive and engaging interfaces.  Develop and maintain user-facing features using ReactJS and TypeScript .  Collaborate closely with UI/UX designers to implement responsive and visually appealing interfaces.  Participate in all stages of the software development lifecycle, including requirement analysis, design, implementation, testing, deployment, and maintenance.  Optimize applications for maximum speed and scalability.  Ensure technical feasibility of UI/UX designs and provide constructive feedback....

Role Responsibilities & Key Accountabilities: - Demonstrates significant knowledge of a single or multiple technologies and advises on design, development and implementation. - Advances tools and applications by producing clean and efficient code and reviews others' code when required. - Manages own workload and promotes an inclusive and open culture - Demonstrates depth of knowledge and expertise in software development and is regarded as the subject matter expert in their domain0 . - Develops knowledge of other domains to understand linkages and dependencies. - Understands the tech strategy and culture, and how they impact own work as well as adjacent teams. - Oversees the design work and planning for user stories ensuring the achieve the desired objectives. - Contributes to the creation of solutions for Epics and the associated implementation tasks. - Adapts existing patterns to develop robust solutions. - Develops understanding of LSEG's commercial direction and how...

About Us: 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 dedication 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, manage 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...

ABOUT US: 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, manage 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...

Senior Specialist – Application Management ABOUT US: 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, manage 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...

LSEG is seeking a  Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and driving penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork. Key Responsibilities Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight. Compile technical scoping documents, track and document assessment metadata Engagement details (who, what, when, where) Testing team members and roles Tools and methodologies used Schedule and timelines Target systems and environments Constraints, exclusions, and limitations Testing activities and event logs Document...

ABOUT US: 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, manage 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...

Role Purpose This is an exciting role i n the Security Architecture team at LSEG. This role is to join the team as a Senior Security Specialist – with a view to strengthening and building out our assurance processes as we move from a traditional on-prem operation, into the virtual, software defined and cloud paradigm. Security Architecture Review team is responsible for reviewing the security posture of new systems alongside the Principal Security Architects; Reviewing firewall rule changes in both BAU and strategic initiatives Successful candidate will be part of Security Architecture Review team to define the role’s goals, processes and deliverable, undertake Security Architecture Reviews, support our strategy to Shift Left and enable the business to achieve its goals in agility and innovation. Role Responsibilities Undertake security Architecture reviews and work with technical architecture teams to ensure security is built into active development project’s design...