Agentic Data Testing Manager

London Stock Exchange Group; Cape Town; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Job summary

London Stock Exchange Group seeks a seasoned Agentic Data Testing Manager to advance data testing strategy within Risk Intelligence Data Management & Governance. You will co-own pre-production data assurance, design testing scenarios across deterministic and agentic pipelines, and drive data quality prior to production releases.

Collaborate with teams in Cape Town, India and Gdynia, implement DAT and regression testing, develop CDA scorecards, and push Data Quality by Design through the SDLC.

Qualifications

• 5+ years in Data Testing, QA or Data Engineering.
• Experience with AI/LLM evaluation techniques and data quality.
• Strong analytical and problem-solving skills.

Responsibilities

• Co-own Data Testing strategy, execution and innovation for a Risk Intelligence dataset under CDA framework.
• Design CDA testing scenarios across deterministic and agentic pipelines.
• Produce and implement data testing plans and scorecards.
• Collaborate with Operations to gather feedback on each test cycle.
• Present data testing updates to senior stakeholders.

Skills

Data testing

QA

AI/LLM evaluation

Data analysis

Tools

Test automation frameworks

Data lineage tooling

SQL/ETL tooling

Job description

We are looking for a new colleague: Agentic Data Testing Manager

Within our Risk Intelligence Data Management & Governance team to support one of our data offerings.

The Team:

As the hiring manager for this role, I look after the Data Management & Governance function for some of our data assets within LSEG Risk Intelligence. This role will work alongside team members in India, Cape Town and Gdynia.

Why is this role important?

This role is an exciting opportunity for a seasoned person to use their knowledge of data, software and agentic flows to test, analyse and handle data quality.

Role Context

• Co-owns pre-production data assurance and testing under Continuous Data Assurance (CDA) strategy
• Critical to embedding “Data Quality by Design” into SDLC
• Central to improving maturity of Data Quality Management (DQM) capability (testing + ongoing monitoring)

Role Purpose

• Co-owns Data Testing strategy, execution and innovation for a Risk Intelligence dataset under CDA framework with another member of the Data Management team
• Designs and completes data testing scenarios across deterministic and agentic pipelines to provide confidence on data quality prior to release in production.

Key Responsibilities

• Analyze data to be tested and/or agent performance (HiTL rates, confidence scores)
• Define CDA testing scenarios, test cases and scorecards based on business priorities
• Propose and innovate testing approaches using deterministic and AI methods including evals to prove/disprove feasibility
• Generate production test data sets (Golden, representative etc.) to ensure sufficient confidence
• Produce, lead and continuously improve synthetic data for testing in lower environments
• Raise requirements to BA’s to enable data testing plan execution and enhance speed and effectiveness
• Produce and implement data testing plans in the data environment for achievement roadmap deliveries to enable data assurance and on time delivery.
• Collaborate with content SME’s in Operations to gather rapid feedback on each test cycle
• Raise Risks, Dependencies, Assumptions and Issues to Program Management
• Implement Data Assurance Testing (DAT) and regression testing, raise data quality issues and report results via Data Testing Scorecards
• Implement source-to-product reconciliations and data lineage validation and hand over to Data Quality manager for post-production monitoring.
• Conduct client impact assessments on testing outcomes and log acceptable differences, risk acceptance outcomes and remediation plans.
• Present data testing updates at monthly Data Quality Forum to Director-level collaborators across Product, Data and Content Operations

Key Deliverables

• CDA Test Plans & Scorecards
• Golden datasets + evaluation frameworks
• Regression test suites (mapped to CDA controls DQ-CDA-01 → 24)
• DAT execution reports → release sign-off artefacts

Capability Profile

• Strong in: Data regression testing at scale
• Schema, lineage and reconciliation testing
• Test automation and large dataset analysis and validation
• Advanced exposure to: AI/LLM evaluation techniques (semantic equivalence, eval pipelines)
• Attitude: Engineering-oriented, structured, precision-driven

Experience

• 5+ years in Data Testing, QA or Data Engineering
• Strong experience in data regression testing and large-scale data validation
• Experience with AI/LLM evaluation techniques (golden datasets, semantic testing)
• Strong analytical and problem-solving skills

You Receive

A senior role with competitive remuneration and a good platform to drive value into the Risk Intelligence offering. A fun, collaborative team environment with other Data Governance and Data Testing and Quality Managers who are situated in Cape Town, India and Gdynia Poland, to help you grow in your new role. An exciting opportunity to learn new skills and grow your career, in Risk Intelligence, one of the fastest growing areas of the LSEG business. People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential.

Career Stage:

Manager

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.

• healthcare
• retirement planning
• paid volunteering days
• wellbeing initiatives

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