Senior Consultant - IBM iSeries / AS400

At cloudatus, we help international enterprise customers design, migrate, modernize and support business-critical IT environments across cloud, infrastructure, workplace, security, managed services and enterprise legacy systems.

• Strong hands-on experience with IBM i / AS400 / iSeries environments.
• Experience in application support or system operations within enterprise environments.
• Good understanding of IBM i operational concepts: libraries, objects, subsystems, jobs, job queues, output queues, and spool files.
• Ability to analyze job logs, system messages, and application errors.
• Practical knowledge of CL / CLLE.
• Ability to read and understand RPG / RPGLE / ILE RPG code for troubleshooting.
• Good knowledge of Db2 for i and SQL.
• Experience with 5250 terminal sessions and IBM i system commands.
• Experience with IFS and file exchange mechanisms such as SFTP/FTP/CSV.
• Understanding of IBM i security basics: user profiles, object authorities, authorization lists.
• English at minimum B2 level.

Nice to have:

• Experience with IBM i Access Client Solutions.
• Experience with backup/restore activities, BRMS, journaling, or HA/DR concepts.
• Knowledge of RDi, Code for IBM i, or modern IBM i tools.
• Experience with ODBC/JDBC, EDI, IBM MQ, REST/SOAP APIs, or middleware integrations.
• Experience with system upgrades, data archiving, audit support, or security reviews.
• Experience in manufacturing, logistics, ERP, or SAP-integrated environments.
• German language skills.

• Provide responsive and reliable production support for IBM iSeries / AS400 systems.
• Diagnose and resolve incidents related to applications, jobs, batch processing, integrations, and system operations.
• Analyze job logs, system messages, spool files, output queues, and application errors.
• Support business users and technical stakeholders during end-to-end issue resolution.
• Manage support tickets, prioritize tasks, and implement short-term mitigations and long-term fixes.
• Support regular operational activities including monitoring, data archiving, security reviews, and audit support.
• Execute and document approved changes in the IBM iSeries environment.
• Support RPG / RPGLE / ILE RPG and CL / CLLE analysis where required.
• Work with Db2 for i and SQL for troubleshooting, data analysis, and reporting.
• Support file exchange and integration using IFS, SFTP/FTP, and file-based mechanisms.
• Document technical findings, operational procedures, and recurring issue patterns.
• Contribute to continuous improvement of support processes, monitoring, and knowledge base.
• Cooperate with cloudatus engineers, customer application owners, and business users.

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