Data Analyst

Adecco
Warwick
3 weeks ago
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Location: Warwick (hybrid - 2 days per week onsite)


Are you passionate about data accuracy, transformation, and improving the quality of People information that drives critical business decisions? We’re looking for a Data Analyst to support a major People Systems transformation. If you thrive in fast‑paced project environments, enjoy solving data challenges, and want to make a visible impact on workforce systems and processes, this role is for you.


About the Role

In this role, you’ll lead core data cleansing, transformation, validation, and analysis across a wide range of People datasets. You’ll work closely with technical partners and project SMEs to ensure the organisation’s future‑state People data landscape is accurate, high‑quality, and fit‑for‑purpose.


This position is ideal for someone who loves detail, enjoys making sense of complex datasets, and is confident influencing stakeholders based on data‑driven insights.


Key Responsibilities

  • Lead data cleansing, transformation, and enrichment activities across People datasets, ensuring accuracy, completeness, and GDPR compliance.
  • Champion data quality by supporting SMEs and source‑system owners to improve and maintain consistent standards.
  • Support end‑to‑end data migration activities (extract, transform, load) for People data and employee master information.
  • Carry out sample‑based and full‑population reconciliations, maintain audit trails, and produce defect logs with supporting evidence.
  • Provide insightful analytics to help leaders understand workforce trends, change readiness, and data‑related risks.
  • Design and execute test scripts related to data validation, system integrations, and reporting outputs.
  • Apply root‑cause analysis to data issues and recommend sustainable fixes.
  • Work closely with stakeholders and delivery partners to align data requirements with future processes and system controls.
  • Contribute to documentation including data definitions, mappings, data quality standards, reporting catalogues, and governance logs.
  • Support cutover activities including final data checks, readiness testing, KPI reporting, and issue resolution.
  • Provide post‑go‑live insights on data accuracy, adoption, and continuous improvement opportunities.
  • Strong numerical and analytical skills with experience handling complex datasets from multiple sources (e.g., HRIS, People systems).
  • Proficiency in Power BI or similar tools, including dashboard development and data modelling.
  • Advanced Excel capabilities and strong understanding of data structures, joins, validation techniques, and cleansing methods.
  • Experience with User Acceptance Testing (UAT), test execution, or system validation.
  • Understanding of end‑to‑end HR processes and core People data concepts; knowledge of SAP SuccessFactors is an advantage.
  • High integrity with a strong focus on confidentiality, GDPR, and ethical data handling.
  • Excellent communication skills with the ability to simplify complex analysis for non‑technical audiences.
  • Highly organised, outcome‑focused, and able to work independently at pace.
  • Proven ability to build collaborative relationships across People Systems, HR, Finance, and external partners.
  • Strong attention to detail and commitment to maintaining high data quality standards.
  • Ideally experience in SuccessFactors

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Pontoon is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.


We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.


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