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Data Analyst – Finance Transformation Programme

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: LE010 Antares Global Management Limited
Full Time position
Listed on 2026-08-23
Job specializations:
  • Finance & Banking
    Financial Reporting, Financial Compliance, Financial Analyst
Salary/Wage Range or Industry Benchmark: 55000 - 75000 GBP Yearly GBP 55000.00 75000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

At Antares, our success starts with our people. We’re a collaborative and an inclusive organisation where every voice is valued, and every individual can grow and thrive. We combine deep expertise with a supportive culture to deliver outstanding results for our clients and a fulfilling experience for our colleagues. Whatever stage of your career you'll find a place to belong, contribute, develop and we’d love to hear from you.

Key

Aspects of the role
  • Define required finance data attributes, field definitions, and dataset requirements to support reporting, reconciliations, and downstream journal creation.
  • Analyse and document source-to-target mappings so that finance data is aligned to agreed structures, Workday‑required values, and reporting needs.
  • Support data ingestion activities by validating incoming datasets, checking completeness, and confirming that records are fit for downstream processing.
  • Design and execute reconciliation logic across source data, outputs, Prism datasets, Accounting Centre outputs, and reporting results.
  • Identify data quality issues, investigate root causes, and work with business and technical teams to improve data accuracy and control effectiveness.
  • Define point‑in‑time and snapshot requirements so period reporting remains traceable, explainable, and auditable over time.
  • Prepare analytics‑ready datasets and report specifications for Workday and approved downstream reporting tools.
  • Produce validation evidence to support SIT, UAT, production readiness, and ongoing finance control requirements.
  • Look at historical data to check its fit for the rules in Financial & Actuarial (F&A) module.
  • Analyse and document finance data structures and reporting requirements, maintaining robust data lineage and controls.
Accountabilities
  • Create Source-to-target mapping documents and field‑level data definitions for the finance data stream.
  • Create data contracts and dataset specifications aligned to Actuarial, Ceded, F&A, Prism and reporting requirements.
  • Create data quality rules, validation outputs, and issue logs showing how completeness, validity, and consistency are assessed.
  • Create reconciliation and validation requirements covering Source to F&A, F&A to Ceded, Ceded to F&A, F&A to Actuarial, Actuarial to F&A, F&A to Prism and report to general ledger checks.
  • Develop snapshot and history‑tracking requirements to support point‑in‑time reporting and audit traceability.
  • Assist with creating test scripts, evidence and production readiness artefacts supporting SIT, UAT, and business sign‑off to “Go Live”.
  • Takes responsibility for their own and colleagues’ Health & Safety at all times.
  • To ensure customers are treated fairly at all times, in accordance with the Conduct Risk Policy and other relevant policies and procedures.
  • To be aware and adhere to all obligations under GDPR, ensuring that the business complies with these requirements.
KPIs
  • KPI:
    Source‑to‑target mappings and data definitions are complete, accurate, and approved, enabling successful downstream processing, minimal defects, and full audit traceability.
  • KPI:
    Contracts and dataset specifications are defined, agreed, and maintained, ensuring alignment with business requirements and no critical post‑go‑live issues.
  • KPI:
    Controls are established and effective, with high data accuracy and timely resolution of issues in line with agreed standards.
  • KPI:
    Reconciliation processes are defined and operating effectively, with minimal variances and timely investigation and resolution of exceptions.
  • KPI:
    Data retention and history tracking are in place, enabling reliable point‑in‑time reporting and compliance with audit requirements.
  • KPI:
    Testing artefacts are delivered to a high standard, supporting successful test outcomes and readiness for deployment with no data‑related blockers.
Knowledge And Qualifications
  • Proven experience in data analysis, finance data transformation, reconciliation, or analytics delivery within finance, ERP, or enterprise reporting programmes.
  • Strong capability in data mapping, validation, reconciliation, and audit traceability across multi‑system data environments.
  • Good understanding of finance data structures, controls, reporting…
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