▷ (19/09/2025) Etl Test Engineer

Company Description Telefonica Tech part of the Telefonica Group is a leading NextGen Tech solutions provider with a highly diversified team of over 6 000 exceptionally skilled employees and 60 nationalities We serve more than 5 5m customers every day in over 175 countries with a global ecosystem of market-leading partners Global strategic hubs Spain Brazil the UK Germany The Telefonica Tech UK I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through Cloud Data AI Adatis Enterprise Applications Incremental Workplace Services and Cyber Security Networking Values Open Trusted and Bold Trusted Partners Microsoft Top 3 Service Providers Azure Expert Status Fastrack Inner Circle Partner HPE Platinum Partner - FY23 UK I Solution Provider of the Year Palo Alto Crowdstrike part of our NextDefense Cyber Security Portfolio Fortinet Elite VIP Program - one of only 2 in the UK AWS Advanced Solution Managed Service Provider Program ROLE You will be working from Office in India collaborating and socialising with your colleagues across our two UK and Bulgaria Offices Occasionally we would need your help outside of normal office hours you might be required to work on the weekend or to be on-call at times The Data Quality Analyst is accountable for the design and operational execution of the Data Quality framework as well as well as coordination across all technical and business resources throughout the test Responsibilities include creation and maintenance of quality assurance testing deliverables and assisting in delivery activities RESPONSIBILITIES Analysing Business requirement for completeness and accuracy Analysing Business requirements against the technical specifications data modelling Creating high level test scenarios Creating manual test cases Develops validation scripts for automated execution while creating actionable data quality reports that measure trends over time Monitoring the test pipelines Analysing test outputs and reporting defects Working closely with Business Analysts Data Analysts Scientists Development and Product Owners to ensure data housed in multiple source systems is valid and accurate Participating in defect triage and sprint ceremonies Candidate will be involved in both automated and manual ETL testing across multiple scrum teams Participation in architecting the logical design of data quality practices with the technical team including DQ design and specifications data modelling and documentation of logical processing flows Agile testing Develop documents and implements data quality standards Regularly review and interprets QA results and findings with limited support from senior leadership Regularly review and interprets QA results and findings with limited support from senior leadership Qualifications At least 3 years related experience or equivalent combination of education and Consulting experience At least 3 years experience in large scale system implementation efforts following a standard software development lifecycle approach scrum desired Experience with ETL testing Ability to write manual test cases from business requirements and technical specifications Ability to create data bricks notebooks to automate the manual tests Ability to create and run Test pipelines and interpret the results Ability to test complex reports and write queries to check each metrics Strong oral and written communications skills Must Have Skills Experience in Azure Databricks and SQL queries - ability to analyse data in a Data Warehouse environment Experience in test management tools - Devops JIRA Experience in writing Python scripts Experience in Pyspark Experience in source control repositories - git GitHub and bitbucket Worked on testing reports Power BI Tableau Good understanding of the framework of ETL Experience working in a Scrum Agile environment Nice to Have Skills Experience in understanding and writing DAX queries Technical Skills Azure Data bricks Python Pyspark Azure ADF Azure DevOps SQL DAX Javascript Typescript Additional Information We don t believe hiring is a tick box exercise so if you feel that you don t match the job description 100 but would still be a great fit for role please get in touch We don t believe hiring is a tick box exercise so if you feel that you don t match the job description 100 but would still be a great fit for role please get in touch