LSEG

Sustainable Investment/ESG Data Analyst

In short

This role involves ensuring the accuracy, completeness, and integrity of Sustainable Investment (ESG, climate, exclusion) datasets used in FTSE Russell's index products, including data validation, vendor engagement, and governance reporting. The employer is LSEG, a global financial markets infrastructure and data provider, and the role sits within its Sustainable Investment Data Operations team working with Product, Technology, Engineering, and Data Governance teams. It demands 2+ years of experience in data quality, data validation, or ESG/Sustainable Investment data, strong analytical skills, and experience with large complex datasets; SQL, Python, or Power BI are advantageous but not required.

About the Role
We are seeking a motivated Sustainable Investment Data Quality Analyst to join our Sustainable Investment Data Operations team. This role focuses on ensuring the accuracy, completeness, and integrity of Sustainable Investment (SI) datasets used across FTSE Russell's index products.
The successful candidate will work with a wide range of proprietary and third-party ESG, climate, exclusion, and sustainable investment datasets, supporting data validation, vendor engagement, data governance, and continuous improvement initiatives. The role offers broad exposure to Sustainable Investment data, index methodologies, and the operational processes underpinning FTSE Russell's index business.
Key Responsibilities
•Perform periodic reviews of Sustainable Investment datasets, validating data inputs and outputs for accuracy, completeness, consistency, and timeliness.
•Investigate data anomalies, exceptions, and unexpected trends, working directly with data vendors and internal stakeholders to understand root causes and drive resolution.
•Conduct data challenge and exception management activities, maintaining appropriate evidence and audit trails.
•Support the onboarding and evaluation of new Sustainable Investment datasets, including participation in vendor due diligence and testing activities.
•Contribute to the enhancement of data controls, validation frameworks, and operational procedures.
•Partner with Product, Technology, Engineering, and Data Governance teams to improve systems, automation, and operational scalability.
•Participate in user acceptance testing, platform migrations, and process change initiatives affecting Sustainable Investment data.
•Support governance reporting, data quality metrics, vendor performance monitoring, and control effectiveness reviews.
Key Requirements
•2+ years' experience in data quality, data validation, data operations, or ESG/Sustainable Investment data.
•Understanding of how Sustainable Investment data is used in financial products, benchmarks, or investment processes.
•Strong analytical and problem-solving skills with exceptional attention to detail.
•Experience investigating data quality issues and performing root cause analysis.
•Experience liaising with external data providers, vendors, or research partners.
•Ability to work effectively with large and complex datasets.
•Experience with SQL, Python, Power BI, or other analytical tools would be advantageous.
•Experience within the index, market data, asset management, or financial data industry would be beneficial.
•Excellent verbal and written communication skills, with the ability to clearly articulate data quality issues to both technical and non-technical stakeholders.
•Self-motivated, curious, and committed to continuous improvement.
What We Offer
•An opportunity to play a key role in maintaining the integrity of Sustainable Investment data used across FTSE Russell's index products.
•Exposure to a broad range of ESG, climate, exclusion, and thematic investment datasets.
•Experience working with global teams across Operations, Product, Technology, Data Governance, and Sustainable Investment.
•Opportunities to contribute to data quality frameworks, platform transformation initiatives, and new product development.
•A fast-paced environment that encourages learning and development.
Career Stage
Associate
About LSEG
LSEG is a leading global financial markets infrastructure and data provider. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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