Sustainability Data Quality Assurance UAT Lead - MSM ESG Data Lake
Contract: 4 months initial contract
Location: Hybrid / Remote
IR35: Inside IR35
The Opportunity
We are looking for an experienced Sustainability Data Quality Assurance UAT Lead working with Microsoft Sustainability Manager to take ownership of QA and UAT across complex sustainability reporting solutions. This role plays a critical part in ensuring data quality, robustness, and audit‑ready outcomes across both vendor‑led and internal testing activities.
The Sustainability Data Quality Assurance UAT Lead will act as the authority for QA and UAT, setting standards, challenging outputs, and ensuring testing is comprehensive, well‑evidenced, and aligned with sustainability reporting and assurance requirements. Working across Digital & Technology teams, business stakeholders, and external vendors, you'll lead end‑to‑end testing governance while remaining hands‑on where rigour is required.
Key Responsibilities for the Sustainability Data Quality Assurance UAT Lead:
1. Define, govern, and continuously improve the QA framework covering unit testing, QA, UAT, and live proving cycles
2. Lead end‑to‑end QA/UAT planning and execution across vendor‑led and internally delivered testing
3. Own testing strategy, adequacy, acceptance, and evidence quality, ensuring all outputs are audit‑ready
4. Coordinate cross‑functional stakeholders to align on scope, priorities, timelines, and acceptance criteria
5. Track vendor test execution, defect resolution, root cause analysis, retesting, and closure
6. Challenge insufficient testing, weak evidence, unexplained variances, or premature passes
7. Design and maintain internal test cases to cover audit‑critical scenarios, edge cases, and high‑risk areas
8. Ensure clear entry and exit criteria for all testing phases
9. Reconcile outputs across systems and reference scorecards, proactively addressing discrepancies
10. Conduct targeted validation of calculations, transformation logic, mappings, and factor libraries
11. Lead QA/UAT for sustainability reporting periods outside vendor scope
12. Ensure robust defect management processes using JIRA
13. Maintain traceability documentation, test evidence, and reusable test assets
14. Proactively identify and escalate delivery and quality risks
15. Coach stakeholders on QA best practices and standards
Skills & Experience for the Sustainability Data Quality Assurance UAT Lead:
16. Experience in Data Quality Assurance, QA/UAT Lead, or similar roles within the Sustainability Data space.
17. Experience working within a MSM - Microsoft Sustainability Manager and ESG Data Lake Environment is essential.
18. Knowledge of sustainability reporting data (. Scope 1/2/3, packaging, waste, water) is highly advantageous; as well as Supply chain packaging, sourcing, sustainability and ERP.
19. Proven expertise in test strategy, test planning, scenario design, and defect management
20. Stakeholder management skills across business, technology, and third‑party vendors
21. Experience challenging vendors and driving clarity on requirements, RCA, and acceptance
22. Ability to interrogate data, mappings, transformations, and calculation logic
23. SQL and data validation skills
24. Experience delivering high‑quality QA under tight timelines
Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.