Senior ETL Data Engineer (IBM DataStage, Oracle 19c)

Questronix Corporation; Makati; On-site; PHP 600,000 - 1,200,000; Full time

Job summary

Questronix Corporation seeks a Data Engineer to design, develop, and maintain data integration pipelines using IBM DataStage. You will optimize ETL jobs across enterprise systems, ensuring data accuracy and reliability with Oracle 19c-based queries and structures.

Applicants should have 3–5 years in data engineering or ETL, strong DataStage skills, and solid SQL/warehouse knowledge. This full-time role is based in Makati, Philippines, with on-site work expected.

Qualifications

• 3–5 years of experience in Data Engineering, ETL, or Data Integration.
• Hands-on IBM DataStage experience for ETL development, design, scheduling, and troubleshooting.
• Proficient with Oracle Database 19c: SQL development, data manipulation, joins, stored procedures, and optimization.
• Strong understanding of ETL concepts, data integration, data transformation, and data quality.
• Experience developing and optimizing complex SQL queries for large datasets.
• Familiar with data warehouse concepts, dimensional modeling, and enterprise data integration patterns.
• Experience with version control, deployment processes, and production support for ETL applications.

Responsibilities

• Design, develop, and maintain data integration and ETL processes using IBM DataStage based on business and technical requirements.
• Develop, optimize, and maintain ETL jobs for extracting, transforming, and loading data across enterprise systems and databases.
• Design and optimize database queries, data structures, and data processing solutions using Oracle Database 19c.
• Perform data validation, troubleshooting, performance tuning, and error handling to ensure data accuracy, integrity, and reliability.
• Monitor and support scheduled ETL jobs, investigate data processing issues, and implement appropriate corrective actions.

Skills

IBM DataStage

ETL Development

SQL & Oracle 19c

Data Warehouse concepts

Data Integration patterns

Version control & deployment

Troubleshooting & performance tuning

Data quality

Job description

Questronix Corporation seeks a Data Engineer to design, develop, and maintain data integration pipelines using IBM DataStage. You will optimize ETL jobs across enterprise systems, ensuring data accuracy and reliability with Oracle 19c-based queries and structures.

Applicants should have 3–5 years in data engineering or ETL, strong DataStage skills, and solid SQL/warehouse knowledge. This full-time role is based in Makati, Philippines, with on-site work expected.