Senior Ab Initio ETL Engineer – Kuala Lumpur (Onsite)

iCrest Sdn Bhd; Kuala Lumpur; On-site; MYR 100,000 - 112,000; Full time

Job summary

iCrest Sdn Bhd in Kuala Lumpur is seeking an experienced Ab Initio Developer to design, develop, and maintain ETL workflows using Ab Initio in a high-scale data environment. The role requires 4–5 years of hands-on Ab Initio experience, strong knowledge of GDE, Co>Operating System, EME, SQL/PL-SQL, and data warehousing concepts, with full relocation to Kuala Lumpur for the position.

Candidates should be willing to relocate 100% and collaborate with data architects, analysts, and QA teams to

Qualifications

• Bachelor's Degree in Computer Science, IT, Engineering, or related field
• 3–8+ years of experience in Ab Initio development
• Strong hands-on experience in: Ab Initio GDE, Co>Operating System, EME, SQL & PL/SQL
• Experience working with Oracle, Teradata, SQL Server, or other RDBMS
• Knowledge of data warehousing concepts (Star Schema, Snowflake, SCD)
• Experience in performance tuning and job scheduling

Responsibilities

• Design, develop, and maintain ETL workflows using Ab Initio (GDE, Co>Operating System, EME)
• Develop and optimize complex data transformation logic and parallel processing graphs
• Perform data extraction, transformation, and loading from various sources (RDBMS, flat files, APIs, etc.)
• Conduct performance tuning and job optimization for large-scale data processing
• Work closely with Data Architects, Business Analysts, and QA teams
• Ensure data quality, validation, and reconciliation processes are implemented
• Troubleshoot production issues and provide timely resolution
• Support deployment and migration across environments (DEV, SIT, UAT, PROD)
• Document technical design and ETL specifications

Skills

Ab Initio GDE

Co>Operating System

EME

SQL

PL/SQL

RDBMS

Oracle

Teradata

SQL Server

Data Warehousing

Performance Tuning

Job Scheduling

Education

Bachelor's Degree in CS/ IT/ Engineering

Tools

Control-M

AWS

Azure

GCP

Job description

iCrest Sdn Bhd in Kuala Lumpur is seeking an experienced Ab Initio Developer to design, develop, and maintain ETL workflows using Ab Initio in a high-scale data environment. The role requires 4–5 years of hands-on Ab Initio experience, strong knowledge of GDE, Co>Operating System, EME, SQL/PL-SQL, and data warehousing concepts, with full relocation to Kuala Lumpur for the position.

Candidates should be willing to relocate 100% and collaborate with data architects, analysts, and QA teams to