AS/400 RPG IV Expert — Application Support & SME

GECO Asia Pte. Ltd; Metro Manila; Hybrid; PHP 420,000 - 660,000; Full time

Job summary

GECO Asia Pte. Ltd. seeks an Application Support Engineer with strong IBM System i (AS/400) and RPG IV expertise to support and maintain critical business applications. You will troubleshoot issues, analyze performance, and collaborate with technical teams to ensure reliable operations.

The role requires independent work, SME-level contribution, and effective user support across stakeholders. Hybrid work setup with project-location focus at Taguig may be involved.

Qualifications

• Expert proficiency in IBM System i (AS/400) – RPG IV.
• Experience in application support, maintenance, and troubleshooting.
• Experience debugging RPG IV applications.
• Knowledge of the Software Development Life Cycle (SDLC) and methodologies.
• Knowledge of database management and data manipulation.
• Strong analytical and problem-solving skills.
• Ability to independently investigate issues and provide effective solutions.
• Good communication and collaboration skills.
• Bachelor's degree in Computer Science, Information Technology, or related field.

Responsibilities

• Provide application support, troubleshooting, and issue resolution for critical business systems.
• Analyze application and system performance and identify areas for improvement.
• Debug and troubleshoot applications developed using RPG IV on IBM System i (AS/400).
• Investigate incidents, identify root causes, and implement appropriate solutions.
• Perform application enhancements, fixes, and maintenance activities as required.
• Assist in the development and implementation of new application features and improvements.
• Document technical issues, resolutions, procedures, and knowledge articles for team reference.
• Provide technical support and guidance to end-users.
• Participate actively in team discussions and contribute ideas and solutions to technical challenges.
• Work independently and progressively serve as a SME for assigned applications.
• Collaborate with other technical and business teams to ensure smooth application operations.
• Follow established software development, support, and change management processes.

Skills

IBM System i (AS/400) RPG IV

Application support

SDLC

Data manipulation

Analytical thinking

Communication

Problem-solving

Education

Bachelor's degree in Computer Science/Information Technology

Job description

GECO Asia Pte. Ltd. seeks an Application Support Engineer with strong IBM System i (AS/400) and RPG IV expertise to support and maintain critical business applications. You will troubleshoot issues, analyze performance, and collaborate with technical teams to ensure reliable operations.

The role requires independent work, SME-level contribution, and effective user support across stakeholders. Hybrid work setup with project-location focus at Taguig may be involved.