Senior Data Engineer - PostgreSQL Migration Lead

Inherent Technologies; San Jose (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Inherent Technologies in San Jose, CA is seeking a Senior Data Engineer to own a critical data migration project to a PostgreSQL-based platform. You will design scalable ETL/ELT pipelines, validate data integrity, and collaborate with business and technical teams to define migration scope and timelines.

You will also mentor junior engineers, optimize pipeline performance through indexing and tuning, implement robust monitoring, and ensure a clear audit trail for data lineage and validation

Qualifications

• 5+ years leading large-scale data migration projects.
• Proficient in Python for building data pipelines.
• Deep PostgreSQL/Oracle experience including schema design.
• Experience designing scalable ETL/ELT pipelines.
• Strong data validation and quality assurance techniques.
• Familiarity with version control and CI/CD for data workflows.
• Experience mapping legacy data across systems.

Responsibilities

• Lead end-to-end migration to PostgreSQL-based infrastructure.
• Design and maintain high-volume ETL/ELT pipelines.
• Map and reconcile legacy data into a unified schema.
• Define data validation frameworks for integrity.
• Optimize performance: tuning, indexing, batch loading.
• Troubleshoot data quality issues and pipeline failures.
• Document mappings, logic, and runbooks for stakeholders.
• Align migration scope with business requirements.
• Establish monitoring, logging, and alerts post-migration.
• Mentor junior engineers and enforce best practices.

Skills

Python

PostgreSQL

Data migration

ETL/ELT design

Data modeling

Git/CI/CD

Oracle

Tools

Airflow

Dagster

Prefect

Docker

Great Expectations

dbt tests

Job description

Inherent Technologies in San Jose, CA is seeking a Senior Data Engineer to own a critical data migration project to a PostgreSQL-based platform. You will design scalable ETL/ELT pipelines, validate data integrity, and collaborate with business and technical teams to define migration scope and timelines.

You will also mentor junior engineers, optimize pipeline performance through indexing and tuning, implement robust monitoring, and ensure a clear audit trail for data lineage and validation