Data Quality Analyst

Markel

Data Quality Analyst ensuring the integrity and quality of data among governance and technology tools at Markel. Collaborating and contributing to strategic data quality initiatives in a supportive team environment.

Posted 6/4/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

CloudSQLTableau

About the role

Key responsibilities & impact

Own day-to-day DQ monitoring across DQPro and Ataccama, keeping controls current, effective, and well-documented.
Run validation, reconciliations, and profiling to identify anomalies, false positives, and root causes.
Produce data analysis and feedback to evidence progress, highlight trends, and ensure clear visibility of data quality status and outcomes.
Support release and environment checks (pre‑prod to prod) and help transition new controls into stable BAU monitoring.
Maintain DQ registers, rule inventories and evidence packs, producing clear summaries for governance forums.
Build familiarity with Reference Data Management (RDM) processes and support the business with ad‑hoc queries, guidance and operational needs as required.
Track recurring issues and improvements, partnering with stakeholders to drive remediation and strengthen monitoring over time.

Requirements

What you’ll need

Strong SQL fundamentals – able to read, test and make minor adjustments to queries
Proven capability in data validation and reconciliation, with a good attention to detail
Confidence working with data quality controls, including thresholds, exceptions and outcomes
Clear written communication, with the ability to produce concise, structured documentation
Execution‑focused and comfortable with repeatable operational tasks
Receptive to feedback and structured ways of working
Exposure to DQPro, Ataccama, or similar DQ tools
Knowledge of insurance data and understanding of data governance concepts (ownership, SLA, severity, escalation)
Experience with Power BI and/or Tableau for dashboards and data visualisation
Basic familiarity with Databricks / cloud data platforms

Benefits

Comp & perks

Up to 16% company pension scheme
Private medical and dental cover
Menopause plan
Emergency care benefit (children/Pets/dependants)
Income protection
Life assurance
Electric car scheme
Travel insurance
25 days paid holiday plus Bank Holidays, with the opportunity to buy/sell extra leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SQLdata validationdata reconciliationdata quality controlsdata analysisprofilingroot cause analysisdata visualizationPower BITableau

Soft Skills

attention to detailclear written communicationexecution-focusedreceptive to feedbackstructured ways of working