Role Overview
We are looking for a Senior IBM i (AS400) Support Engineer to support a business-critical legacy ERP system during an ongoing transition to Microsoft Business Central. The role is primarily focused on day-to-day maintenance, user support, and system stability, working closely with the in-house ERP Manager.
Location & Work Model
* Location: Spain (onsite at client premises)
* Work Model: 3 days onsite (mandatory), Up to 2 days remote (flexible)
Key Responsibilities
1. Application Support & Maintenance
* Provide hands-on support for IBM i (AS400) ERP system
* Handle day-to-day maintenance activities and minor enhancements
* Investigate and resolve system issues, blocks, and performance-related challenges
* Ensure system stability during the migration phase
2. User Support (Level 1 / Level 2)
* Act as a primary point of contact for business users
* Resolve day-to-day issues such as:
* Access rights / permissions
* Password resets
* Functional queries
* System errors or transactions failing
* Provide quick turnaround on operational requests
3. Collaboration with ERP Manager
* Work closely with the internal ERP Manager
* Support and offload routine operational workload
* Assist in knowledge continuity and documentation
4. Transition Support
* Support the parallel run of AS400 during ERP migration
* Assist in knowledge transfer and system understanding
* Contribute to smooth transition without disrupting business operations
Required Skills & Experience
Core Technical Skills
* Strong experience in IBM i (AS400)
* Proficiency in: RPG (preferably RPGLE / ILE)
* COBOL (nice to have)
* Strong understanding of: System operations, Batch processes, User management
Experience
* 5+ years of hands-on IBM i / AS400 experience
* Experience in ERP support environments
* Experience with maintenance/support-heavy roles (vs. pure development)
Additional Technical (Nice to Have)
* Exposure to: File transfers (FTP / secure FTP), Basic integrations (not mandatory)
Soft Skills & Profile Fit
* Strong problem-solving mindset – able to handle operational issues independently
* Comfortable working in a business-facing role (user interactions)
* Ability to work in a collaborative, onsite environment
Interested candidates can share their CVs at