> Markdown version of [/jobs/ext/2000092-data-test-lead](https://www.wearedevelopers.com/jobs/ext/2000092-data-test-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Test Lead - **Company:** NTT DATA, Inc. - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Software Bug Management, Data as a Services, Data Hub, Extract Transform Load (ETL), Data Warehousing, Database Queries, Software Design Documents, Standard Sql, SQL Databases, Test Case, Test Data, Strategies of Testing, Freeform SQL, Performance Testing - **Published:** August 9, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/data-test-lead-phoenix-az-usa-58874611 ## About the Role defects and design to form test strategy and plan * Create test cases based on requirements and design documents * Create test data and configure testbeds * Troubleshoot and support system and application problems * Proficient in SQL queries * Engage in traceability mapping of test scenarios to requirements Tasks * Minimum of 5 years of testing experience * Minimum of 3 years of testing data in a Data Warehouse / Data Hub environment * Minimum of 3 years of hands-on experience in creating Test Plan, Test Strategy, Test Estimates, Test Requirements, and Test Case * Minimum of 3 years of experience writing complex queries for validation of the ETL process * Minimum of 3 years of experience with solid back-end testing by writing complex SQL Queries * Minimum of 5 years of experience in creating traceability matrix mapping Test Scenarios / Test Cases with requirements Key requirements * ## Description Experteer Overview In questa role you will lead testing for data warehouse projects at NTT Data Services in Phoenix. You will own test strategy, plan, and end-to-end testing to identify defects before go-live. You'll support validation activities, assist with UAT, and manage defect resolution to keep milestones on track. You will harness SQL to validate ETL processes and ensure data quality across the platform. This role offers the chance to influence testing practices within a global, transformation-focused team. Compensation / Benefits * Provide first level end-to-end functional and performance testing for defect identification * Assist with testing throughout testing stages for defect resolution * Assist in end-user acceptance testing (UAT) contemplated by staff * Assist with defect management and resolution to facilitate re-testing without delaying go-live * Provide testing support in a data warehouse environment * Lead test strategy and methodology for projects * Analyze requirements and design to form test strategy and plan * Create test cases based on requirements and design documents * Create test data and configure testbeds * Troubleshoot and support system and application problems * Proficient in SQL queries * Engage in traceability mapping of test scenarios to requirements Tasks * Minimum of 5 years of testing experience * Minimum of 3 years of testing data in a Data Warehouse / Data Hub environment * Minimum of 3 years of hands-on experience in creating Test Plan, Test Strategy, Test Estimates, Test Requirements, and Test Case * Minimum of 3 years of experience writing complex queries for validation of the ETL process * Minimum of 3 years of experience with solid back-end testing by writing complex SQL Queries * Minimum of 5 years of experience in creating traceability matrix mapping Test Scenarios / Test Cases with requirements Key requirements * ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) - [PoC “Austria Experience Data Hub”](https://www.wearedevelopers.com/videos/92-poc-austria-experience-data-hub) - [AI as a Test Designer: Transforming Experience into Automated Testing](https://www.wearedevelopers.com/videos/1984-ai-as-a-test-designer-transforming-experience-into-automated-testing) - [Test-reduction - Doing more with less](https://www.wearedevelopers.com/videos/977-test-reduction-doing-more-with-less) ## Related Articles - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How to create a test plan for software testing](https://www.wearedevelopers.com/magazine/56-how-to-create-a-test-plan-for-software-testing) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)