Data Engineer

Questronix Corporation 2; Taguig; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

Questronix Corporation 2 is seeking a Data Engineer to design, develop and maintain ETL processes using IBM DataStage. The role focuses on data extraction, transformation, and loading across enterprise systems with emphasis on data quality and reliability.

You will optimize SQL queries in Oracle 19c and contribute to data warehouse patterns and complex data transformations for large datasets, ensuring robust production support.

Qualifications

• 3–5 years of experience in Data Engineering, ETL Development, or Data Integration.
• Strong hands-on experience with IBM DataStage for ETL development and troubleshooting.
• Proficient in Oracle Database 19c, including SQL development, data manipulation, joins, and query optimization.
• 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.
• Develop, optimize, and maintain ETL jobs for extracting, transforming, and loading data across enterprise systems and databases.
• Design and optimize database queries using Oracle Database 19c.
• Perform data validation, troubleshooting, and performance tuning to ensure data accuracy and reliability.
• Monitor and support scheduled ETL jobs, investigate data processing issues, and implement corrective actions.

Skills

Data engineering

ETL development

Data integration

SQL development

Data quality

Tools

IBM DataStage

Oracle SQL

Job description

Job Description:

• 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.

Requirements

Qualifications:

• At least 3–5 years of experience in Data Engineering, ETL Development, or Data Integration.
• Strong hands-on experience with IBM DataStage for ETL development, job design, scheduling, and troubleshooting.
• Proficient in Oracle Database 19c, including SQL development, data manipulation, joins, stored procedures, and query optimization.
• Strong understanding of ETL concepts, data integration, data transformation, and data quality.
• Experience in 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.