Software Solution Engineer

IBM i (AS/400) Software Solution Engineer

Location:
Brussels, Belgium Start Date: 01 December 2026 End Date: 31 December 2027 Duration: 13 Months Working Model: 100% On-Site (Mandatory) Work Schedule: Full-Time On-Call Rotation: Mandatory (Evenings, Nights & Weekends) About the Opportunity We are looking for an experienced IBM i (AS/400) Software Solution Engineer to join a dynamic IT environment in Brussels for a long-term assignment. The ideal candidate will have at least 3 years of software development experience, strong hands-on expertise in IBM i (AS/400), and the ability to develop, maintain, and continuously improve business-critical applications. This role requires a combination of technical development, business analysis, production support, problem-solving, and stakeholder collaboration.

Key Responsibilities
• IBM i (AS/400) Development: Design, develop, test, deploy, and maintain business-critical applications.
• Business & Functional Analysis: Gather requirements and translate business needs into effective technical solutions.
• Application Maintenance & Support: Troubleshoot incidents, resolve technical issues, and ensure application reliability and performance.
• Continuous Improvement: Identify opportunities for application enhancement, automation, and process optimization.
• Stakeholder Collaboration: Work closely with developers, business teams, project managers, and IT support teams.
• Agile Delivery: Participate in sprint planning, retrospectives, technical discussions, and knowledge-sharing activities.
• Documentation: Maintain technical and functional documentation and support knowledge transfer.
• On-Call Support: Participate in the mandatory standby rotation, including evenings, nights, and weekends. Mandatory Requirements
• Minimum 3 years of professional software development experience.
• Strong hands-on IBM i (AS/400) development expertise.
• Proven experience developing, maintaining, and enhancing business-critical software applications.
• Experience in business requirements analysis and technical solution design.
• Strong application troubleshooting, incident resolution, and problem-solving skills.
• Ability to work effectively with business stakeholders and multidisciplinary IT teams.
• Willingness to work 100% on-site in Brussels.
• Mandatory participation in an on-call/standby rotation, including evening, night, and weekend support. Additional Skills & Competencies
• Knowledge of Agile/Scrum methodologies.
• Experience in application optimization, automation, and continuous improvement.
• Strong analytical thinking, communication, and stakeholder management skills.
• Proactive mindset with ownership and accountability.
• Curiosity, adaptability, and willingness to learn new technologies.
• Interest in AI-enabled solutions and development automation is an advantage. Education Bachelor's or Master's degree in Computer Science, Software Engineering, IT, or a related field. Equivalent practical experience will also be considered. Important Working Conditions 100% On-Site: Candidates must be available to work physically in Brussels. Hybrid and remote arrangements are generally not offered. Mandatory On-Call Rotation: Candidates must be willing to provide scheduled support outside regular office hours, including nights and weekends. 4/5 Schedule Accepted: A four-day working week is possible, provided all scheduled working days are performed on-site. Interested? If you are an experienced IBM i (AS/400) Software Engineer with strong expertise in software development, business-critical application support, requirements analysis, troubleshooting, and continuous improvement, we would be pleased to hear from you. Apply now or send your CV to hr@onetechsolutions.be