Senior Test Analyst (ETL, Data Warehousing & Tableau)

Resillion; Glasgow; On-site; GBP 40,000 - 50,000; Full time

Job summary

A data solutions provider is seeking a detailed-oriented Senior Test Analyst specializing in ETL testing, data warehousing, and Tableau testing. The successful candidate will be responsible for validating data pipelines, ensuring data accuracy, designing test plans, and collaborating with technical teams. Strong analytical skills and hands-on experience with tools like SQL and Google Cloud BigQuery are essential. This is a full-time position based in Glasgow or Birmingham with no remote work options.

Qualifications

• Hands-on experience in ETL testing and Data Warehousing.
• Experience in testing Tableau dashboards and SQL proficiency.
• Strong analytical and problem-solving skills.

Responsibilities

• Design and execute test plans for ETL workflows.
• Validate data transformations for accuracy.
• Perform functional and regression testing on ETL jobs.

Skills

ETL testing

Data Warehousing concepts

Tableau testing

SQL proficiency

QA methodologies

Analytical skills

Tools

Google Cloud BigQuery

Databricks

JIRA

HP ALM

TestRail

Cucumber

Selenium

Job description

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.

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.

Employment Details

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