ETL Tester – Data Testing
Zurich, Switzerland
Fixed term role for 6 months with potential extension
Cognizant is looking for an experienced ETL Tester with strong automation experience to support enterprise data platforms and pipelines.
Key Responsibilities
- Design and execute test cases for data ingestion, transformation, validation, and reconciliation across ETL/ELT pipelines.
- Build and maintain automation frameworks for data testing and regression testing.
- Validate data quality using SQL and large-scale datasets.
- Integrate automated tests into CI/CD pipelines.
- Collaborate with Data Engineers, QA teams, and business stakeholders.
- Analyze and troubleshoot test failures and data quality issues.
Required Skills
- Strong understanding of Data Warehouses, Data Lakes, ETL/ELT pipelines, and Data Models.
- Solid experience in ETL testing, including source-to-target validation and data reconciliation.
- Hands-on experience with test automation, ideally building frameworks from scratch.
- Strong SQL and data validation expertise.
- Programming skills in Python, Java, or similar.
- Experience with CI/CD tools and automated test execution.
- Excellent analytical and problem-solving skills.
Nice to Have
- Snowflake, Databricks, Azure Synapse, BigQuery, or similar cloud data platforms.
- Great Expectations, dbt Tests, PyTest, Selenium, or equivalent tools.
- Experience in Banking, Financial Services, or large enterprise data environments.
What We're Looking For
This role is ideal for someone who understands enterprise data platforms, not just traditional ETL testing. We need a detail-oriented ETL Tester with strong automation skills who can build scalable testing solutions and is passionate about data quality.
关于高知特 (Cognizant)
高知特(Cognizant)（纳斯达克代码：CTSH）作为一家AI Builder和相关技术服务提供商，致力于通过打造全栈AI解决方案，帮助企业将人工智能投资转化为实际价值。公司凭借深厚的行业经验、流程优化和工程技术专长，将企业独特的业务场景融入科技系统，赋能组织释放人才潜能，推动切实成果，并帮助全球企业在瞬息万变的环境中保持领先。如需了解更多详情，敬请访问 cognizant.ai 或关注@cognizant。
补充雇佣信息
薪酬信息截至本职位发布之日为准。Cognizant 保留在适用法律允许的范围内随时修改该信息的权利。
申请人可能需要通过现场面试或视频会议的方式参加面试。此外，候选人在每次面试时可能需要出示其当前所在州或政府签发的有效身份证件。
Cognizant 是一家提供平等就业机会的雇主。在招聘过程中，您的申请和候选资格不会因种族、肤色、性别、宗教、信仰、性取向、性别认同、国籍、残疾、遗传信息、怀孕、退伍军人身份或任何其他受联邦、州或地方法律保护的特征而受到影响。
