AS400 Support Engineer, Associate/AVP (Contract)

Maybank Investment Banking Group; Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Job summary

Maybank Securities (MSSG) invites an experienced AS400 engineer to join our team in Malaysia, supporting post-trade back-office systems and driving process improvements.

You will design, develop, and maintain modules using RPG and CL, ensure system availability, and collaborate with global users to resolve issues.

This role requires 8+ years in technical support for financial services, deep DB2/400/SQL knowledge, and a proactive, team-oriented mindset.

Qualifications

• 8+ years of technical support for trading or financial services apps.
• Expert-level AS400 proficiency with DB2/400 and SQL.
• Understanding of capital markets, custody and post-trade cycles.
• Experience with high availability, backups and performance tuning.
• Familiarity with SWIFT and integration protocols like MQ.

Responsibilities

• Provide Level 2/3 support for production incidents across global sites.
• Design and maintain modules using RPG and CL.
• Perform OS upgrades, manage LPARs and patching for stability.
• Enhance AS400 by developing new processes and improving existing ones.
• Lead design of post-trade applications for matching, settlement and payments.
• Automate complex post-execution operations including trade booking.
• Integrate legacy AS/400 apps with modern platforms via APIs or MQ.
• Ensure regulatory data integrity, security hardening, and DR readiness.
• Coordinate testing, approval and deployment of enhancements.
• Generate reports and provide data analysis on request.
• Monitor performance and proactively address issues.

Skills

AS400 engineering

Financial services experience

Problem solving

Communication

Team collaboration

Tools

RPG/III/IV/Free Form

CL

DB2/400

SQL

MQ

IBM App Connect Enterprise

Job description

Maybank Securities (MSSG) is a leading brokerage and investment bank across ASEAN, Maybank Securities provides services in corporate finance & advisory, debt markets, equity capital markets, derivatives, retail and institutional securities broking & research and Prime Brokerage.

Job Description

MSSG is looking for a dynamic and skilled AS400 engineer with 8+ years of experience to join our team. In this role, you’ll will be ensuring that our post trading back office systems run smoothly, and you’ll also get to opportunity to develop new process and improvements. You will get opportunity to maintain and improve applications within the backoffice trading ecosystem. You’ll work closely with users to solve problems and make our applications even better.

The position will be based in Malaysia while providing support to Singapore operations.

Responsibilities

• Provide Level 2/3 support for production incidents in highly sensitive financial environments, often across multiple global sites
• Designing and maintaining software modules using languages like RPG (III, IV, Free Form) and CL.
• Performing OS upgrades, managing LPAR configurations, and handling patch management to ensure system stability.
• Enhance the AS400 system by developing new process, and refreshing existing process to ensure optimal performance.
• Lead the design and development of critical post-trade applications used for trade matching, settlement, and payment processing.
• Automate and streamline complex post-execution operations, including trade booking, intercompany settlements, and connectivity to global exchanges or clearing houses.
• Lead initiatives to integrate legacy AS/400 applications with modern platforms using APIs, web services, or middleware like IBM App Connect Enterprise or MQ.
• Ensure systems meet stringent regulatory requirements for data integrity, security, security hardening and disaster recovery.
• Coordinate overall testing, approval and deployment of new enhancements, including post-deployment verifications.
• Handle ad-hoc tasks such as generating reports and providing custom data analysis upon request.
• Keep an eye of application’s performance, identify areas for improvement, and take proactive steps to prevent future issues.

Qualifications

• At least 8 years of experience in technical support with trading or financial services applications.
• Expert-level proficiency in implementing and managing AS400 systems.
• Advanced knowledge of DB2/400, complex SQL concepts, and data mapping for financial transactions.
• Deep understanding of capital markets, custody, clearing, and post-trade settlement cycles.
• Experience with high-availability tools, backup/recovery, and system performance tuning.
• Familiarity with SWIFT messaging standards and integration protocols like MQ.
• Strong problem-solving abilities with excellent communication and interpersonal skills.
• Ability to work both independently and with a team in a dynamic environment.
• Keen interest in financial markets.

We regret that only short-listed candidates will be notified.