DATA510: Senior Data Engineer - ETL | Data Integration

About JerseySTEM All JerseySTEM roles are pro-bono (unpaid) [link removed] is a mission-driven professional network of pro-bono contributors dedicated to improving access to STEM education and career pathways for underserved middle school girls in New Jersey. Members contribute their professional skills and leverage their networks in service of the organization’s gender-equity [link removed] is a minimum six-month commitment of approximately six flexible hours per week and includes a $100 refundable deposit, returned after six months of active membership. K–12 educators, retirees, veterans, interns, and students are exempt from the deposit. Overview This is a pro-bono volunteer position. JerseySTEM is seeking experienced Data Engineers to stabilize and scale core data pipelines that power analytics and reporting. The current platform complexity requires ownership from engineers who can design, implement, and maintain production grade workflows across multiple data [link removed] role focuses on operational reliability, sound data modeling, and long term platform sustainability. Responsibilities Pipeline Engineering: Designing, configuring, and monitoring production grade ETL/ELT pipelines to ingest unstructured and structured data from third party data sources into our MySQL operational data warehouse using [link removed]. Implement CDC and incremental loading strategies for efficient and reliable refresh Security & Access Governance: Defining and auditing data access permissions, ensuring security guardrails are maintained as user access privileges rotate. API Management: Writing and debugging custom scripts and database queries to interact with native platform APIs. Data Mapping & Classification: Normalizing and mapping complex, disparate schemas from Salesforce CRM, iCIMS talent data, and Jira ticketing systems, and others. Design and maintain analytical models including fact and dimension tables. Operational Resilience: Manage schema changes, late arriving data, and source inconsistencies. Ensure data quality, consistency Provide technical leadership and define data integration best practices and standards Qualifications Seven or more years of hands on experience in data engineering or data platform roles Strong experience working with MySQL in analytical or hybrid environments Proven experience integrating external APIs and third party systems Demonstrated experience implementing CDC or incremental load patterns Deep understanding of dimensional modeling and warehouse architecture Advanced SQL skills and strong proficiency in Python or similar languages Ability to operate independently and own pipelines end to end What This Role Is Not Not limited to ad hoc scripts or one off fixes Not a purely advisory position Not a passive oversight role What Success Looks Like ETL pipelines are stable, incremental, and predictable API ingestion runs with minimal manual intervention Data models are trusted and analytics ready Analytics teams focus on insights rather than resolving data issues Originally posted on Himalayas