Senior Test Analyst (ETL, Data Warehousing & Tableau) - Remote - 1 day a week SW London - To £46K maximum

Help us to achieve our goal to be the global leader in total quality services.

With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions.

Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry.

Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company.

If you would like to be part of our journey, then this role may be the one for you.

Senior Test Analyst (ETL, Data Warehousing & Tableau) - Remote - 1 day a week SW London - To £46K maximum

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

📌 Position Overview

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.

🎯 Key Responsibilities

• 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.

🛠️ Required Skills & Qualifications

• Hands-on experience in ETL testing (Google Cloud, BigQuery 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, TestRail).
• Strong analytical and problem-solving skills with attention to detail.

🌟 Preferred Experience

• Exposure to cloud-based data warehouses (Google BigQuery).
• 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.