Senior Data Quality & Snowflake Migration Engineer

Apex Systems, LLC; Quincy, Northern (MA, KY); Hybrid; USD 96,000 - 117,000; Part time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401K with company match

HSA (Health Savings Account)

Employee Assistance Program (EAP)

Professional development opportunities

Job summary

Everforth Apex Systems is seeking a Senior Data Quality & Snowflake Migration Engineer to lead data quality controls and migration activities for enterprise data into Snowflake. The role emphasizes profiling, validation, reconciliation, and automated validation using SQL and Python.

The ideal candidate will design end-to-end validation, build Snowflake views and reports, and collaborate with data engineers, architects, and stakeholders to ensure data integrity throughout the migration lifecycle.

Qualifications

• Must have Snowflake SQL and data quality controls experience.
• Experience in data migrations and reconciliation across large datasets.
• Proficiency in Python and SQL for data validation and automation.

Responsibilities

• Design and implement data quality controls for large-scale data migrations into Snowflake.
• Perform source data profiling and analysis to identify completeness, accuracy, and formatting issues.
• Define and implement pre-migration and post-migration validation controls.
• Develop SQL-based data quality rules, validation queries, and exception reporting.
• Develop Snowflake SQL and ETL/ELT processes for data cleansing, transformation, migration, and integration.
• Build automated data validation and processing solutions using SQL and Python.
• Support migration testing, UAT, production cutover, and post-migration validation.

Skills

Snowflake

Advanced SQL

Data Quality

Data Migration

Data Profiling

Source-to-Target Mapping

ETL/ELT

Python

AWS S3

Data Cleansing

Data Lineage

Exception Reporting

Migration Testing

Informatica Q/R

Oracle

Redshift

Salesforce

JSON

Tools

SQL

Snowflake

Python

Job description

# Senior Data Quality & Snowflake Migration EngineerApply**Job#: 3053563****Job Description:**Everforth Apex Systems is a world-class services business that incorporates industry insights and experience to deliver solutions that fulfill our clients’ visions. Apex has an opportunity for a Senior Data Quality & Snowflake Migration Engineer in the Banking Industry expertise to join our fast-paced financial services partner on an exciting initiative! Role: Senior Data Quality & Snowflake Migration EngineerTerm: till 12/31. Extension likelyLocation: Remote (U.S.) Job Description:We are seeking an experienced Senior Data Quality & Snowflake Migration Engineer with strong expertise in Snowflake, SQL, Python, data migration, data integration, and data quality controls. The role will focus on ensuring data is accurately profiled, validated, transformed, reconciled, and migrated from legacy and source systems into Snowflake.The ideal candidate will have hands-on experience working with complex enterprise datasets and implementing data quality controls throughout the migration lifecycle, from source assessment through production validation. The candidate's experience includes data migrations, integrations, Snowflake development, data analysis, mapping, and data-quality implementation. Key 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. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Remote:** Yes**Location:** Quincy, MA, US**Job Type:****Date Posted:** September 24, 2026**Pay Range:** $70 - $85 per hour