Data Quality Assurance Analyst

Company: 9NEXUS Limited
Apply for the Data Quality Assurance Analyst
Location: London
Job Description:

  • Develop and implement Data Quality rules using SQL and DQ tools such as Acceldata, Experian Aperture, Ataccama, Trillium, or similar.
  • Build and support Power BI Data Quality dashboards using data from Snowflake and global systems.
  • Perform data profiling, analysis, reconciliation, and root cause analysis (RCA).
  • Partner with Data Owners, Data Stewards, Business, and IT teams to define and implement DQ KPIs and monitoring solutions.
  • Automate data quality monitoring, issue tracking, and reporting using Power Automate/Power Platform.
  • Support AI/ML and AI Agent/Copilot use cases for data quality automation and pattern detection.
  • Manage Data Quality incidents and establish continuous monitoring mechanisms.
  • Support data matching/linking across multiple data sources and coach data owners/stewards on DQ practices.

Required Skills:

  • Strong experience in Data Quality, Data Governance, and Data Management.
  • Hands-on experience with Snowflake and advanced SQL/T-SQL.
  • Strong Power BI development and dashboarding experience.
  • Experience with Power Automate, Power Apps, or Data Flows.
  • Experience with DQ/profiling tools such as Acceldata, Experian Aperture, Ataccama, Alteryx, Trillium, or SAS Viya.
  • Strong ETL, data reconciliation, profiling, data analysis, and automation skills.
  • Experience working with SAP MDG/ECC/S4 HANA is an advantage.
  • Knowledge of Collibra/Talend, data lineage, governance, and compliance is desirable.
  • Experience with AI-driven data observability or pattern detection is a plus.
  • Excellent communication, stakeholder management, and problem-solving skills.

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Posted: October 10th, 2026