AS400 Engineer #IAC

Recruit ExpressSingaporemycareersfuturepublished 09/26/2026
Must-have:FinTechSecurityLead

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.
  • 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.

Interested applicants, please email your resume to Andre Chua Jing Ming Email: andrechua@recruitexpress.com.sg CEI Reg No: R1989053 EA Licence No: 99C4599 Recruit Express Pte Ltd

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