AS400 Support Specialist Senior

Requirements

• Required – Technical Skills
• Experience administering IBM AS400 / i. Series environments
• Strong knowledge of OS/400 administration
• Experience managing DB2/400 databases
• Knowledge of COBOL development and support
• Experience with CL (Control Language) programming
• Experience performing system monitoring and performance tuning
• Knowledge of job scheduling and batch processing
• Experience implementing backup and recovery strategies
• Knowledge of AS400 security administration and access control
• Experience writing and optimizing SQL queries for DB2/400
• Experience supporting application integrations with enterprise platforms
• Knowledge of system configuration, maintenance, and troubleshooting
• Experience documenting technical procedures and operational processes
• Required – Soft Skills
• Strong analytical and problem-solving skills
• Effective communication skills
• Attention to detail
• Customer-oriented mindset
• Ability to work independently and collaboratively
• Strong documentation and organizational skills
• Proactive approach to operational improvements Nice to Have (Technical Skills)
• Experience with cloud platforms (AWS or Azure)
• Knowledge of Docker and Kubernetes
• Familiarity with CI/CD pipelines (Jenkins, GitHub Actions)
• Experience with Agile/Scrum methodologies Responsibilities (Activities to perform)
• Design, develop, and maintain scalable backend applications
• Administer and maintain AS400/i. Series environments
• Manage OS/400 operating system configurations
• Administer DB2/400 databases
• Monitor system health, performance, and availability
• Perform performance tuning and optimization activities
• Manage job scheduling and batch processing tasks
• Implement and maintain backup and recovery procedures
• Ensure data integrity and business continuity
• Configure and maintain security controls and user access
• Develop, support, and maintain COBOL and CL applications
• Create and optimize SQL queries for DB2/400
• Support integrations between AS400 and modern enterprise systems
• Analyze business processes and recommend technical improvements
• Troubleshoot application and infrastructure issues
• Maintain technical documentation, procedures, and configurations
• Ensure compliance with operational standards and security policies Required Languages
• English: Advanced Additional Information
• Location
• Mexico (Remote)
• Bogotá and surrounding areas (Hybrid)
• Rest of Colombia (Remote)
• Special Conditions
• Participation in support, maintenance, and modernization initiatives for AS400 platforms
• Continuous interaction with business and technical teams Focus on operational stability, performance, and system optimization