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