Observability Engineer

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Role Overview
LSEG is seeking a forward-thinking Observability Engineer to join our Network Engineering function. This role is pivotal to defining and delivering our observability strategy-making our systems measurable, reliable, and continually improving. You'll operate at the intersection of software engineering, SRE, and platform operations, enabling teams across LSEG to turn telemetry into actionable insight and to maximise the value of our observability platforms.

Key Responsibilities
* Design and operate scalable telemetry pipelines for metrics, logs, traces, and events across distributed systems.
* Define and maintain standards for instrumentation, NMS tooling, dashboards, alerting, and SLIs/SLOs, partnering with product and platform teams.
* Champion procedures in monitoring, incident response, and post-incident learning across engineering teams.
* Integrate and optimise observability tools (e.g., OpenTelemetry, Kafka, Cribl, ClickHouse, Prometheus, Grafana, Splunk, Elastic, Loki) within the NPS ecosystem.
* Embed observability in the SDLC, including CI/CD guardrails, pre-/post-deployment health checks, and automated validations.
* Drive adoption through enablement, documentation, and training that upskills engineers and reduces operational toil.
* Continuously evaluate emerging practices and technologies to evolve our capabilities and reduce time-to-detect/resolve.
Required Skills & Experience
* Shown success in observability, SRE, or platform engineering within complex, distributed environments.
* Strong hands-on expertise with telemetry and analytics tooling (e.g., OpenTelemetry, Kafka, Cribl, ClickHouse, Prometheus, Grafana, Splunk, Elastic, Loki).
* Proficiency in at least one programming language (Python, Go, or Java) and infrastructure-as-code (e.g., Terraform, Ansible).
* Deep understanding of cloud-native architectures (Kubernetes, micro-services, service meshes).
* Experience defining and leading SLIs/SLOs and alerting strategies that minimise noise and drive action.
* Validated strength in technical design reviews, code reviews, architecture runway planning, and pragmatic decision-making.
* Hands-on design and validation of API integrations, secure token flows, context-propagation mechanisms (MCP), and agent-to-agent (A2A) orchestration.
Desirable
* Background in regulated or financial-services environments.
* Contributions to open-source observability projects or communities.
Why Join Us
* Be part of a pivotal initiative redefining how LSEG builds and operates resilient, data-driven systems.
* Work with ground breaking technologies and shape the future of observability at enterprise scale.
* Collaborate with dedicated engineers across product, platform, and operations.
* Enjoy a flexible, hybrid working model and a culture that values innovation, ownership, and continuous learning.

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.

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.

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