AS/400 Administrator

Summary

Join our team as an AS/400 Administrator at Tech Holding, where you'll manage and maintain AS/400 systems, including Apache server configuration, application upgrades, security, and hardware support. Key duties include optimizing system performance, managing disk space, network configurations, and data replication, as well as overseeing backups and OS upgrades.

Requirements

• Proven experience in AS/400 administration
• Strong knowledge of security administration, hardware maintenance, and disk management
• Experience with MQ Series, network administration, and operating system upgrades
• Familiarity with ServiceNow, CL programming, and SQL
• Excellent problem-solving skills and ability to work in a complex mixed platform environment

Responsibilities

• Manage and configure Apache servers on AS/400 systems
• Oversee the installation, configuration, and maintenance of applications on the AS/400 platform
• Handle the installation and management of digital certificates
• Plan and execute upgrades for various applications to ensure they are up-to-date and secure
• Manage user IDs, group profiles, and authority lists to maintain system security
• Resolve hardware issues and coordinate with IBM and other vendors for hardware support and resolution
• Monitor and manage disk space to ensure optimal performance and availability
• Administer and manage global mirror replication for data redundancy and disaster recovery
• Oversee the administration of MQ Series for message queuing and integration
• Manage network configurations and troubleshoot network issues on the AS/400 platform
• Administer the AS/400 operating system, including user management and system configurations
• Plan and implement operating system upgrades to maintain system integrity and performance
• Apply program temporary fixes (PTFs) to address system vulnerabilities and bugs
• Optimize system performance through tuning and resource management
• Manage print queues, create printer output queues, and resolve printing issues
• Administer Virtual I/O Server (VIOS) for efficient resource allocation and management
• Oversee job scheduling and workload management to ensure efficient system operations
• Install, maintain, and tailor Backup, Recovery, and Media Services (BRMS) and resolve related issues
• Analyze and resolve complex problems in a mixed platform environment
• Utilize ServiceNow for incident management, problem management, and change management
• Develop and maintain CL programs for system automation and management
• Use SQL for database queries and management tasks
• Provide support for DBU and SQL-related tasks and troubleshooting

Benefits

• Remote Work Opportunities
• Flexible Work Hours