> Markdown version of [/jobs/ext/4311957-senior-data-migration-engineer-enterprise-application-modernization](https://www.wearedevelopers.com/jobs/ext/4311957-senior-data-migration-engineer-enterprise-application-modernization). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Migration Engineer - Enterprise Application Modernization - **Company:** Concept Solutions - **Location:** Reston, VA, United States (Remote available) - **Experience:** Expert - **Salary:** $170,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Big Data, Information Engineering, Data Integrity, Extract Transform Load (ETL), Data Transformation, Data Migration, Data Profiling, Relational Databases, Document-Oriented Databases, PostgreSQL, Operational Databases, Scripting, Enterprise Software Applications, Sql Optimization, Database Migration, Build Management - **Published:** October 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9f68d76db0c10aa3 ## About the Role * 7+ years of experience in data engineering, including participation in at least two production data migrations. * Advanced SQL expertise with PostgreSQL and at least one commercial relational database. * Hands-on experience with ETL tools or Python scripting for data transformation and validation. Preferred Qualifications * Experience working with AWS GovCloud, AWS Database Migration Service (DMS), or comparable migration tools. * Familiarity with records-retention requirements. * Active Secret security clearance. ## Description In this role, you will lead complex data migration initiatives, ensuring the accurate, secure, and reliable transfer of data between enterprise systems. You will play a critical role in designing repeatable migration processes, maintaining data integrity, and supporting successful production transitions., This opportunity is ideal for a seasoned data engineering professional who brings strong SQL expertise, hands-on migration experience, and a commitment to delivering reliable solutions in a federal environment. * Plan and lead large-scale data migrations between enterprise systems, including data profiling, mapping, transformation, and reconciliation. * Design and build repeatable, auditable migration pipelines with comprehensive validation reporting and rollback capabilities. * Execute trial migrations, identify and resolve data-quality issues in collaboration with data owners, and support production cutover activities. * Document data lineage, migration methodologies, and key decisions to support audit requirements, knowledge transfer, and operational handoff.