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Data Warehouse Snowflake Migration Specialist

2 months ago

Boston, Massachusetts, United States HexaQuEST Global, Inc. Full time
Job Description:

The MassHealth Systems Teams unit seeks a highly motivated individual as a Data Warehouse Snowflake Migration Tester to join its Systems Quality Assurance (SQA) team.

Key Responsibilities:

  • Design, implement, and execute test cases to validate the functionality, performance, and data integrity of the Snowflake migration.
  • Collaborate with cross-functional teams, including data engineers, developers, and project managers, to ensure a seamless transition to Snowflake.
  • Develop detailed test strategies, test scenarios, and test cases for validating data warehouse migration to Snowflake.
  • Execute manual and, where applicable, automated test cases to ensure the accuracy, completeness, and consistency of data within the Snowflake environment.
  • Identify, document, and track defects, and work closely with development teams to facilitate timely resolution.
  • Conduct end-to-end testing of data pipelines and ETL processes.
  • Verify data integrity and accuracy during the migration process.
  • Validate the consistency of data between source and target systems, ensuring that business logic is preserved.

Requirements:

  • Demonstrated expertise in testing Snowflake data warehouses and ETL processes.
  • Proficient in SQL for data validation and querying, with experience in both Oracle SQL and Snow SQL scripts.
  • Familiarity with scripting languages for test automation, such as Python or Java.
  • Understanding of data modeling concepts and principles.
  • Hands-on experience working with Cloud Platforms such as AWS.
  • Proficiency in Informatica Intelligent Cloud Services (IICS) and relevant tools.
  • Competence in Automation Tools such as Selenium and Apache AirFlow.
  • Familiarity with GIT Version Control.
  • Familiarity with Agile and DevOps methodologies.
  • Strong analytical and problem-solving skills with meticulous attention to detail.
  • Effective communication and collaboration skills, demonstrating the ability to work in a team-oriented environment.

Preferred Qualifications:

  • Experience with testing tools and frameworks related to Snowflake, including Snowflake Data Cloud.
  • Experience with Jira for tracking and managing testing tasks, as well as collaborating with development and other testing teams.
  • Ability to take high-level requirements and/or scope and drive to successful execution.

Education and Experience:

  • Bachelor's degree in computer science, Information Technology, or a related field.
  • 5 years of experience in ETL processes and testing tools.
  • 3 years of experience in designing and maintaining testing frameworks for Snowflake.