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 :

We are looking for a highly skilled Team Lead, Site Reliability Engineering within our Corporate Technology (CT) division.

This key role leads our External Digital team responsible for the administration and management of various mission-critical applications.

As a Team Lead, you will guide a team of engineers in ensuring the high availability, performance, and security of our application infrastructure.

The ideal candidate will bring strong technical expertise, excellent leadership skills, and a passion for reliability engineering.

Role : Lead, Site Reliability Engineering Corporate Technology

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.

Role Profile :

We are looking for a highly skilled Lead, Site Reliability Engineering within our Corporate Technology (CT) division.

This key role leads our External Digital team responsible for the administration and management of various mission-critical applications.

As a Tech Lead, you will guide a team of engineers in ensuring the high availability, performance, and security of our application infrastructure.

The ideal candidate will bring strong technical expertise, excellent leadership skills, and a passion for reliability engineering.

Key Responsibilities :

- Collaborate with development and infrastructure teams to design, implement, and maintain scalable, secure environments.

- Monitor, troubleshoot, and resolve system performance issues, providing root cause analysis for incidents and outages.

- Automate tasks and optimize processes through scripting and tools like Shell, Python, and PowerShell to improve system efficiency.

- Develop and maintain disaster recovery plans, ensuring regular testing and drills.

- Oversee application deployments, configuration changes, and system maintenance (patches, upgrades).

- Provide technical mentorship and guidance to team members, fostering professional development.

- Maintain documentation for system configurations, processes, and procedures.

- Collaborate with vendors, partners, and Adobe support to resolve platform issues and ensure smooth integrations.

- Participate in incident, change, and problem management processes, ensuring adherence to established protocols.

- Stay up to date with industry trends and technologies, ensuring that LSEG's infrastructure remains competitive and secure.

- Availability for escalation via on-call support members, when necessary, in a 24x7 on-call weekly rotation.

Technical Skills

- 6+ years of hands-on experience designing, deploying, and managing cloud infrastructures, primarily in AWS, including VPC design, IAM policies, EC2/ECS/EKS management, CloudFormation, and cost optimization.

- 6+ years of experience in Linux systems engineering, with deep expertise in performance tuning, system hardening, high availability, and security best practices across large-scale distributed environments.

- Strong leadership in implementing and maintaining highly reliable, scalable, and observable cloud architectures, with deep understanding of SRE principles: SLIs, SLOs, error budgets, and incident response protocols.

- Extensive experience in automation and Infrastructure-as-Code (IaC) using tools like Terraform, Ansible, and CloudFormation, enabling consistent and repeatable infrastructure provisioning.

- Advanced scripting and automation skills with Python, Bash/Shell, and PowerShell, driving efficiency in operations, system automation, and custom tooling.

- In-depth knowledge of DevOps practices and CI/CD pipelines, including version control (Git), CI tools (Jenkins, GitLab CI), artifact management (Nexus), and continuous testing and deployment strategies.

- Experienced in monitoring, observability, and alerting using platforms such as Prometheus, Grafana, Datadog, New Relic, and Splunk, with a focus on proactive issue detection and RCA.

- Strong proficiency in web technologies and middleware, including Java-based applications, Apache/Nginx, HTTP protocols, caching strategies, and performance tuning.

- Hands-on experience with DNS management, SSL/TLS/PKI infrastructure, and ITSM tools like Jira, Confluence, and ServiceNow to manage change, incidents, and knowledge.

- Proven track record of leading cross-functional SRE and DevOps teams, driving operational excellence, implementing reliability best practices, and mentoring engineers.

- Good to have: Experience with Adobe Experience Manager (AEM/AEM-admin), supporting content management system administration, deployment, and troubleshooting in enterprise environments.

Preferred Qualifications

- Strong organizational, time management, and problem-solving skills.

- Ability to work independently and collaboratively in a fast-paced environment.

- Strong communication skills in English, both written and spoken.

- Knowledge of financial markets and industry trends is a plus.

- Relevant AWS, AEM certifications are a benefit.

Education :

- BS/MS in Computer Science, Software Engineering, or a related STEM field (preferred)