Contract AS400 Engineer #IAC

About the role

We are looking for an experienced AS400 Engineer on a contract basis to provide Level 2/3 support for production incidents in a highly sensitive financial environment spanning multiple global sites.

Key responsibilities

• Provide Level 2/3 support for production incidents and ensure system stability across global sites.
• Design, develop and maintain RPG (III, IV, Free Form) and CL modules for post‑trade applications.
• Perform OS upgrades, LPAR configuration, patch management and system performance tuning.
• Lead integration of legacy AS/400 applications with modern platforms using APIs, web services, IBM App Connect Enterprise or MQ.
• Ensure compliance with regulatory requirements, security hardening and disaster recovery procedures.
• Coordinate testing, approval and deployment of enhancements, including post‑deployment verification.
• Generate ad‑hoc reports and custom data analysis as requested.

Required profile

• Minimum 8 years of technical support experience with trading or financial services applications.
• Deep understanding of capital markets, custody, clearing and post‑trade settlement cycles.
• Proven ability to work independently and within a team in a dynamic environment.
• Keen interest in financial markets.

Required skills

• AS400 (IBM i) platform expertise.
• RPG (III, IV, Free Form) and CL programming.
• DB2/400 and advanced SQL.
• IBM MQ and SWIFT messaging integration.
• API development, web services and IBM App Connect Enterprise.
• High‑availability tools, backup/recovery and system performance tuning.