Contract hiring
Job Title: ETL Test Engineer / Lead
Location: Windsor, CT (Onsite)
Contract
Role Summary:
We are looking for an experienced ETL & SQL Lead with strong expertise in understanding and analyzing complex end-to-end data flows from Source Systems through Data Warehouse/Data Mart layers to Reporting and Dashboard platforms, drive the end-to-end project execution and lead the team in the project delivery.
The ideal candidate will possess strong expertise in data warehousing, ETL processes, cloud data platforms, data modeling, and stakeholder management
Key Responsibilities
Project & Delivery Management
Lead end-to-end delivery of elements projects from requirements understanding through production deployment.
Define project plans, milestones, risks, dependencies, and resource allocations.
Understand and document complex data lineage across multiple layers (Source Systems, Landing/Staging Layers, Integration/Transform Layers, Data Warehouse, Data Marts, Semantic/Reporting Layer, Power BI/Tableau dashboards)
Perform impact analysis and trace data flow from source to dashboard.
Analyze and validate business rules, transformation logic, mappings, and aggregations across layers.
Create source-to-target mappings and data validation strategies.
Lead ETL testing teams, data reconciliation, and root cause analysis activities.
Write complex SQL queries and understand existing code base in the form Stored procedures for data analysis, profiling, and defect investigation.
Mentor team members on SQL, ETL testing, and data validation techniques.
Drive Agile ceremonies, sprint planning, and release management activities.
Provide regular status updates to leadership and stakeholders.
Define strategies for validating dashboards from source tables, data reconciliation, validation of the data between layers and Dashboards Automation solutioning.
Stakeholder Management
Understand data requirements from business and translate them into testable requirements
Act as the primary point of contact between QE , Business and Dev Team
Technical Skills
Cloud Data Platforms: Snowflake
ETL/ELT Tools: Matillion, DBT
Databases: SQL Server
SQL Expertise: Advanced SQL, Advanced Stored Procedures, CTEs, Window Functions, Query Optimization,
BI & Reporting: Power BI,
Data Modeling: Star Schema, Snowflake Schema, Dimensional Modeling
Data Engineering Concepts: Data Lineage, Data Governance, Data Quality, Data Reconciliation
Strong understanding of Data Modeling concepts (Star Schema, Snowflake Schema, Dimensional Modeling).
Hands-on experience with BI & Reporting tools such as Power BI, Tableau, or Looker.
Familiarity with AI-enabled data solutions and automation frameworks.
Management Skills
Strong stakeholder management and communication skills.
Ability to manage distributed offshore teams.
Risk management, estimation, planning, and budget tracking expertise.
Preferred Qualifications
Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field.
Certifications in Snowflake, Mattilion, Advanced SQL, DBT
Experience in Logistics, Supply Chain, Enterprise Data Transformation programs.
To apply for this job email your details to yogesh@reveilletechnologies.com