> Markdown version of [/jobs/ext/3604850-etl-tester](https://www.wearedevelopers.com/jobs/ext/3604850-etl-tester). 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). --- # ETL Tester - **Company:** Atlantis IT Group - **Location:** Millvale, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JIRA, Software Bug Management, Data Validation, Extract Transform Load (ETL), Data Mapping, Data Mining, Data Warehousing, Relational Databases, PostgreSQL, Microsoft SQL Server, Oracle (Applications), Systems Development Life Cycle, Standard Sql, SQL Server Integration Services, Talend, Informatica Powercenter, Star Schema - **Published:** October 7, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=73df5a20cd36e6bd ## About the Role * Strong experience in ETL/data warehouse testing. * Excellent SQL skills. * Good understanding of ETL concepts and data warehouse architecture. * Experience with source-to-target mapping and data reconciliation. * Experience testing ETL tools such as Informatica, Talend, SSIS, or similar technologies. * Experience with relational databases such as Oracle, SQL Server, PostgreSQL, or similar. * Knowledge of data warehouse concepts such as facts, dimensions, star schema, and snowflake schema. * Experience with defect management tools such as Jira or ALM. * Good understanding of SDLC and STLC. * Strong analytical and problem-solving skills. Experience 6 8 years of relevant experience in ETL testing, data warehouse testing, or data validation. ## Description We are looking for an experienced ETL Tester to validate data extraction, transformation, and loading processes and ensure data accuracy, completeness, and integrity across source and target systems.