Senior Data Quality & Snowflake Migration Engineer
Apex Systems · Quincy, MA · 3 wk ago
Information TechnologyContract
About the role
Everforth Apex Systems seeks a Senior Data Quality & Snowflake Migration Engineer for a remote (U.S.) position supporting a financial services partner. The contract runs through 12/31 with likely extension. The role focuses on profiling, validating, transforming, reconciling, and migrating data from legacy/source systems into Snowflake, ensuring data quality throughout the migration lifecycle.
Responsibilities
- Design and implement data quality controls for large-scale data migrations into Snowflake.
- Perform source data profiling and analysis to identify completeness, accuracy, consistency, duplication, and formatting issues.
- Define and implement pre-migration and post-migration validation controls.
- Develop SQL-based data quality rules, validation queries, and exception reporting.
- Perform source-to-target mapping, field mapping, transformation analysis, and fit-gap assessments.
- Develop Snowflake SQL and ETL/ELT processes for data cleansing, transformation, migration, and integration.
- Implement data reconciliation controls to validate record counts, key attributes, transformations, and source-to-target data accuracy.
- Identify migration exceptions, investigate data-quality defects, perform root-cause analysis, and coordinate remediation.
- Implement data cleansing, standardization, validation, duplicate identification, and data integrity controls.
- Build automated data validation and processing solutions using SQL and Python.
- Create Snowflake views, data extracts, dashboards, and exception reports to support migration monitoring and validation.
- Support migration testing, UAT, production cutover, and post-migration data validation.
- Work closely with data engineers, architects, analysts, and business stakeholders to define data quality acceptance criteria and migration controls.
Required Skills
- Snowflake & Advanced SQL
- Data Quality Controls & Validation
- Data Migration & Reconciliation
- Data Profiling & Root-Cause Analysis
- Source-to-Target / Field Mapping
- ETL/ELT & Data Integration
- Python
- AWS / S3
- Data cleansing and standardization
- Data lineage and dependency analysis
- Exception reporting and remediation
- Migration testing and production validation
- Experience with Informatica Data Quality/PowerCenter, Oracle, Redshift, Salesforce, JSON is a plus.
Benefits
- Medical, dental, vision, life, disability, and other insurance plans (optional supplemental coverage)
- Employee Stock Purchase Program (ESPP)
- 401K program with company match after 12 months of tenure
- Health Savings Account (HSA) available on the HDHP plan
- SupportLinc Employee Assistance Program (EAP) – up to 8 free counseling sessions
- Corporate discount savings program and other discounts
- On‑demand training program
- Access to certification prep and a library of technical and leadership courses/books/seminars after 6+ months of tenure
- Certification discounts and perks for associations such as CompTIA and IIBA
- Dedicated customer service team for consultants
- Certified Career Coach
- Welcome Packet containing full list of benefits, programs, support teams and resources