Job Profile: IBMi Application Administrator

Role Summary

Responsible for the operation, administration, and continuous improvement of the IBMi (AS/400) platform and associated enterprise applications. The role ensures system availability, data integrity, and efficient business process support across manufacturing, logistics, and finance domains.

The German client’s IBMi environment includes MAPICS, a highly integrated ERP suite with strong interdependencies between modules such as Materials Management, Production Planning, Purchasing, and Finance.

Responsibilities

1. IBMi System Operations

• Operate and monitor IBMi systems (jobs, subsystems, batch processing, system performance)
• Manage system resources (CPU, memory, storage, job queues)
• Perform system backups, recovery procedures, and high availability checks
• Apply PTFs, OS updates, and system patches
• Monitor and resolve system-level incidents and performance bottlenecks

2. ERP / MAPICS Application Administration (Advantageous)

• Administer and support MAPICS XA modules (e.g. IM, MRP, COM, PUR, PDM/EPDM)
• Maintain application configuration, parameters, and control files
• Support end users in troubleshooting functional issues
• Coordinate and test application changes, fixes, and enhancements

3. Data & Interface Management

• Monitor and manage data integrity across MAPICS applications and interfaces
• Handle batch jobs, data loads, and interface processing (EDI, external systems)
• Analyze and resolve data inconsistencies (e.g. inventory, orders, production data)
• Support data migration and system integration activities

4. Security & Compliance

• Manage user profiles, roles, and authorizations on IBMi and within ERP
• Ensure compliance with internal IT policies and audit requirements
• Maintain system documentation and operational procedures
• Support audits (internal/external)

5. Change & Release Management

• Plan and execute system changes (transport, configuration, releases)
• Coordinate testing (unit, integration, user acceptance)
• Support deployment and post-go-live stabilization

6. Incident & Problem Management

• Act as 2nd/3rd level support for system and application issues
• Perform root cause analysis and implement permanent fixes
• Work closely with dev team, business departments and external vendors

7. Continuous Improvement

• Identify optimization potential in system performance and business processes
• Automate recurring operational tasks
• Support modernization initiatives (e.g. interfaces, UI improvements, reporting)

Required Skills

Technical Skills

• Strong knowledge of IBMi (AS/400):
  • CL, job management, subsystems, libraries, object management
  • Backup & recovery concepts
• Experience with similar ERP platforms on IBMi (e.g. SAP, JD Edwards, Infor) — knowledge of MAPICS / Infor XA / GEAC ERP is a strong plus
  • Familiarity with MAPICS XA core modules (IM, MRP, PUR, COM, PDM/EPDM) is advantageous but not required
• Database knowledge (DB2 for i)
• Experience with batch processing and job scheduling
• Basic knowledge of:
  • RPG (preferred but not mandatory)
  • SQL on IBMi
• Interface knowledge (EDI, flat files, APIs)

Methodological Skills

• Incident & Problem Management (ITIL-oriented)
• Change & Release Management
• Documentation and structured working methods
• Analytical thinking and problem-solving capability

Soft Skills

• Strong communication skills (EN)
• Ability to work independently and prioritize tasks
• Team collaboration in cross-functional environments
• Reliability and accountability (production-critical systems)

Application process:

Please submit your application before May 27, 2026, at [email protected] . Ensure to include “IBMi Application Administrator” as the subject of your email.