IBM AS/400 iSeries Engineer – Managed Services

We are seeking an IBM AS/400 iSeries Engineer to support a Managed Services engagement, with responsibility for both production support and enhancement work. The role will focus on maintaining the stability, performance, and availability of core business applications running on IBM i (AS/400 / iSeries), while also delivering incremental improvements, fixes, and small-to-medium enhancements. The ideal candidate is hands-on, responsive in a support environment, and comfortable working across incident resolution, problem management, change implementation, and application enhancement.

Key Responsibilities

• Provide day-to-day production support for IBM i / AS400 / iSeries applications and interfaces
• Investigate, troubleshoot, and resolve incidents, service requests, and problem tickets within SLA targets
• Perform root cause analysis for recurring issues and implement preventive fixes
• Develop, modify, test, and deploy enhancements and production fixes
• Support batch jobs, job schedules, CL programs, RPG programs, DB2 for i objects, and related interfaces
• Monitor system and application performance, identify bottlenecks, and recommend improvements
• Collaborate with business users, functional teams, infrastructure teams, and vendors to resolve issues
• Support change management, release activities, and production deployments
• Create and maintain technical documentation, SOPs, and support knowledge articles
• Participate in on-call or after-hours support as needed, depending on service windows

Required Skills and Experience

• Strong experience supporting IBM AS/400, IBM i, or iSeries environments
• Proficiency in RPG/RPGLE, CL, DB2 for i, and related IBM i tools
• Experience with production support in a managed services or operations environment
• Hands-on experience with batch job monitoring, debugging, and issue resolution
• Understanding of incident, problem, change, and release management processes
• Ability to read and analyze existing code, logs, job queues, and spool files
• Strong troubleshooting, communication, and stakeholder management skills
• Ability to work independently and prioritize multiple support requests

Preferred Qualifications

• Experience with SQLRPGLE, API integrations, data migration, or interface support
• Familiarity with service management tools such as ServiceNow, Jira, or equivalent
• Exposure to performance tuning, security controls, and system administration concepts on IBM i
• Experience working in regulated or enterprise-scale environments

Soft Skills

• Customer-focused and responsive
• Analytical and detail-oriented
• Able to manage competing priorities under pressure
• Strong team collaboration and documentation discipline
• Continuous improvement mindset