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Vallum Associates

Data Analyst

Vallum Associates
United Kingdom · Contract · Mid-Senior

Key Responsibilities


Analyse and assess data structures across legacy and target systems.

Perform data extraction, transformation, and migration activities.

Conduct data cleansing, enrichment, and validation to ensure high data quality.

Identify and resolve data inconsistencies, duplicates, and quality issues.

Develop and maintain data mapping documentation between source and target systems.


Required Skills & Experience


Strong experience in data migration, data cleansing, and data transformation projects.

Advanced SQL and database querying skills.

Experience working with large datasets and relational databases (SQL Server, Oracle, etc.).

Strong data analysis and data profiling skills.

Experience with ETL tools (Informatica, Talend, SSIS, or similar).

Knowledge of data mapping, data lineage, and data reconciliation techniques.

Experience using Excel, Power BI, or data visualization tools for analysis and reporting.

Key Skills

Ranked by relevance

sql data visualization data structures data analysis sql server power bi oracle server excel etl
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Posted
Mar 11, 2026
Type
Contract
Level
Mid-Senior
Location
London Area

Industries

Energy Technology Services for Renewable Energy

Categories

Analyst Design Other

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