Senior Test Analyst; ETL, Data Warehousing & Tableau SW Lon

Senior Test Analyst (ETL Data Warehousing & Tableau) – Glasgow or Birmingham

1 day a week SW London – To 50K maximum.

Due to background checks all candidates must have 3 years UK Address History to be considered.

We are looking for a detail‑oriented Senior Test Analyst with strong experience in ETL processes, Data Warehousing and Tableau testing. The role involves validating data pipelines ensuring data accuracy across warehouse environments and testing business intelligence dashboards to guarantee reliable insights for stakeholders.

• Design and execute test plans for ETL workflows, data warehouses and Tableau dashboards.
• Validate data transformations to ensure accuracy, completeness and consistency across multiple sources.
• Perform functional, regression and performance testing on ETL jobs and reporting systems.
• Test Tableau dashboards for data integrity, usability and visualization accuracy.
• Collaborate with developers, data engineers and business analysts to identify requirements and resolve defects.
• Document test cases, results and defects in alignment with QA standards.
• Support automation of testing processes where applicable.
• Ensure compliance with data governance and quality standards.

• Hands‑on experience in ETL testing (Google Cloud Big Query and Databricks).
• Strong knowledge of Data Warehousing concepts (schemas, fact/dimension tables, OLAP, normalization).
• Experience testing Tableau dashboards including calculated fields, filters and parameters.
• Proficiency in SQL for data validation, test queries and troubleshooting.
• Understanding of QA methodologies and defect management tools (e.g. JIRA, HP ALM, Test Rail).
• Strong analytical and problem‑solving skills with attention to detail.

• Exposure to cloud‑based data warehouses (Google Big Query).
• Experience with test automation frameworks for ETL and BI testing.
• Knowledge of Agile/Scrum methodologies.
• Ability to communicate findings clearly to both technical and non‑technical stakeholders.

Remote Work:
No

Employment Type:

Full‑time

Vacancy: 1

Key

Skills:

Test Cases, Order Management System, SQL, Functional Testing, JIRA, Software Testing, System Testing, Test Automation, HP ALM, Cucumber, Selenium, Wiki Systems