Technical Lead - Site Reliability Engineering

London Stock Exchange Group; Bengaluru; On-site; INR 2,500,000 - 4,500,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days and wellbeing

Job summary

London Stock Exchange Group in Bengaluru, India, seeks a Technical Lead SRE to drive reliability foundations for new projects and existing platforms. You will lead hands-on efforts, collaborating with Architecture, Engineering, Security, and Platform teams to ensure reliability is built in from day one.

This senior role requires 10+ years of SRE/Platform experience, deep AWS and Kubernetes skills, and strong leadership to mentor engineers and influence design decisions while balancing

Qualifications

• 10+ years of hands-on technical experience in SRE, Platform Engineering, Infrastructure, or related roles.
• Strong experience with AWS including EKS, ECS, EC2, networking, IAM, and managed services.
• Deep hands-on experience with Kubernetes and containerised platforms.
• Linux systems administration experience.
• Proven experience designing and operating observability platforms, including monitoring, logging, and alerting.
• Hands-on experience with Datadog for metrics, logs, APM, and alerting.
• Strong understanding of SRE principles, including SLOs, error budgets, incident management, and reliability engineering.
• Experience working closely with architecture and engineering teams on system design and delivery.
• Solid understanding of cloud security principles and experience collaborating with security teams.

Responsibilities

• Lead the establishment of SRE foundations for new projects with monitoring and operational readiness from day one.
• Collaborate with Architecture and Engineering to embed reliability, scalability, security, and observability into system design.
• Define and champion observability standards, tooling, and guidelines across metrics, logs, traces, and SLIs/SLOs.
• Design and evolve monitoring and alerting solutions that improve visibility and reduce toil.
• Continuously drive reliability improvements across environments through incident reduction and performance tuning.
• Partner with Security to meet compliance, security, and risk-management expectations.
• Lead handovers from project delivery to BAU SRE operations with documentation and readiness.
• Influence architectural decisions through cloud cost optimization and efficiency initiatives.
• Be a technical leader and mentor, shaping engineering standards and learning culture.

Skills

SRE leadership

AWS

Kubernetes

Linux admin

Observability

Datadog

Security & compliance

Cloud cost opt

Education

Bachelor's in CS

Tools

Terraform

CloudFormation

Azure

Docker

Git

Job description

Role Profile

We are evolving our Site Reliability Engineering capabilities to strengthen reliability, observability, security, and operational excellence across our Markets and Risk Intelligence division. As a Technical Lead SRE, you will be a senior hands-on technical person help shape the foundations of reliability across both new and existing platforms. You will collaborate with Architecture, Engineering, Security, and Platform teams to ensure reliability is built into systems from day one. While this is not a people-management or shift-based role, you will work closely with global teams (UK and US) and may occasionally be called upon for major incidents or critical issues. This position requires a highly proactive, hard-working expert with strong leadership presence and ownership of platform reliability outcomes.

Key Responsibilities

• Lead the establishment of SRE foundations for new projects building environments, monitoring, alerting, and ensuring operational readiness from day one.
• Collaborate with Architecture and Engineering teams to embed reliability, scalability, security, and observability into system design.
• Define, implement, and champion observability standards, tooling, and guidelines across metrics, logs, traces, and SLIs/SLOs.
• Design and evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health.
• Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns.
• Partner with Security teams to ensure our platforms meet compliance, security, and risk-management expectations.
• Lead seamless handovers from project delivery into BAU SRE operations by ensuring documentation, readiness, and strong operational practices.
• Influence architectural and design decisions through data-driven cloud cost optimization and efficiency initiatives.
• Be a technical leader and mentor supporting engineers, shaping engineering standards, and fostering a culture of learning and development.

Person Specification

• Education: Bachelor’s Degree in Computer Science or related field.
• Required skills and experience: 10+ years of hands-on technical experience in SRE, Platform Engineering, Infrastructure, or related roles.
• Strong experience with AWS, including services such as EKS, ECS, EC2, networking, IAM, and managed services.
• Deep hands-on experience with Kubernetes and containerised platforms.
• Strong background in Linux systems administrations.
• Proven experience designing and operating observability platforms, including monitoring, logging, and alerting.
• Hands-on experience with Datadog for metrics, logs, APM, and alerting.
• Strong understanding of SRE principles, including SLOs, error budgets, incident management, and reliability engineering.
• Experience working closely with architecture and engineering teams on system design and delivery.
• Solid understanding of cloud security principles and experience collaborating with security teams.
• Experience with cloud cost optimisation strategies and tooling.
• Good to have skills: Experience or working knowledge of Microsoft Azure, experience supporting multi-cloud or hybrid environments, exposure to Infrastructure as Code (e.g., Terraform, CloudFormation), experience in large-scale, complex, or regulated environments.
• Strong technical authority with the ability to influence design and operational decisions.
• Highly collaborative, comfortable working across architecture, engineering, security, and operations teams.
• Calm and methodical under pressure, especially during incidents and critical issues.
• Pragmatic problem-solver who balances reliability, security, cost, and delivery speed.
• Clear communicator, able to explain complex technical concepts to diverse audiences.

Company Culture and Values

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. Career Stage: Senior Associate. London Stock Exchange Group (LSEG) Information: 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.

Equal Opportunities

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.

Benefits

• Healthcare
• Retirement planning
• Paid volunteering days and wellbeing initiatives

Other Information

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. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more. Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.