contract AS400 Engineer #IAC

Recruit Express Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Recruit Express Pte Ltd in Singapore is seeking an experienced technical support professional to join our financial services team. The role focuses on Level 2/3 production support for high-sensitivity environments and post-trade systems.

You will work with AS/400, RPG and CL, DB2/400, and MQ, coordinating upgrades, integrations, and disaster recovery while ensuring regulatory compliance and performance.

Qualifications

• Minimum 8 years in technical support with trading or financial services apps.
• Expert-level AS400 systems administration and development.
• Strong DB2/400, SQL, and data mapping for financial transactions.
• Knowledge of capital markets, post-trade settlements, and custody.
• Experience with high-availability, backup/recovery, and performance tuning.
• Familiarity with SWIFT messaging and MQ integration.
• Able to work independently and in a team.
• Interest in financial markets.

Responsibilities

• Provide Level 2/3 production support for financial environments across global sites.
• Design and maintain AS400 modules using RPG and CL.
• Manage OS upgrades, LPAR configs, and patching for stability.
• Enhance AS400 with new processes for performance.
• Lead design of post-trade applications for matching, settlement, payments.
• Automate post-execution tasks including trade booking and settlements.
• Integrate legacy AS/400 apps with modern platforms via APIs or MQ.
• Ensure data integrity, security, and disaster recovery compliance.
• Coordinate testing, approvals, deployments and post-deployment verifications.
• Generate reports and perform ad-hoc data analysis.
• Monitor performance and proactively address issues.
• Handle ad-hoc duties as assigned.

Skills

AS/400

DB2/400

SQL

Trading apps

Post-trade

Automation

Teamwork

Tools

MQ

IBM App Connect

Job description

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.
• Any other ad-hoc duties as assigned by supervisor.

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.
• Ability to work both independently and with a team in a dynamic environment.
• Keen interest in financial markets.