Big Data Test Manager - Enterprise Data Lakehouse

We're looking for a Big Data Test Manager to join our team in Zürich, Switzerland, in a hybrid working mode. In this role, you will define and lead the end-to-end test strategy for a large-scale enterprise Data Lakehouse program supporting banking data products and platform services. This position requires a strong understanding of data platform testing, high-quality delivery and the ability to coordinate across a globally distributed team in a regulated environment.

Responsibilities

• Lead the end-to-end test strategy, planning, governance and execution across complex enterprise data ecosystems
• Oversee testing for two key areas, Data pipelines and banking domain data products and Platform-as-a-Service capabilities for the Data Lakehouse
• Manage integration testing and dependency coordination across 70+ connected applications, ensuring environment and test data availability
• Define and implement test automation initiatives for data validation, regression and platform functional testing leveraging DevOps and CI/CD practices in a Kubernetes-based environment
• Establish test governance, entry/exit criteria, defect management processes and quality standards across multiple workstreams
• Collaborate with data engineers, platform teams, product owners and application owners to resolve cross-functional issues and influence test coverage alignment
• Drive production readiness and release validation activities for platform and data ecosystem changes

Requirements

• Proven experience as a Test Manager or Senior Test Lead in large-scale enterprise data platforms (Data Lakehouse, Data Lakes, Data Warehouses)
• Strong knowledge of data testing methodologies, including data quality, reconciliation, lineage validation, schema checks and ETL/ELT process testing
• Hands-on experience in test automation for data pipelines, APIs and data platform services using industry-standard tools and scripting frameworks
• Experience coordinating integration and regression testing across distributed, multi-application environments without direct ownership of downstream systems
• Familiarity with test data management, release validation and managing test environments for multiple dependencies
• Exposure to modern data platform technologies (e.g., Kubernetes, S3 Object Storage, VMware) and CI/CD in data environments
• Excellent stakeholder management and communication skills to lead testing in global, regulated environments
• Higher education in Computer Science, Engineering or related field preferred
• English proficiency required; German language skills are an advantage

Nice to have

• Previous experience in financial services/banking or other highly regulated sectors
• Understanding of data governance, regulatory controls and data lineage frameworks