**About us**:
Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies - from emerging startups to large Fortune 50 firms - and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.
**The Role**:
**Responsibilities**:
- **Apache Administration**:Manage and configure Apache servers on AS/400 systems.
- **Certificate Administration**:Handle the installation and management of digital certificates.
- **Security Administration**:Manage user IDs, group profiles, and authority lists to maintain system security.
- **Hardware Maintenance**:Resolve hardware issues and coordinate with IBM and other vendors for hardware support and resolution.
- **Disk Management**:Monitor and manage disk space to ensure optimal performance and availability.
- **Global Mirror Replication Management**:Administer and manage global mirror replication for data redundancy and disaster recovery.
- **MQ Series Administration**:Oversee the administration of MQ Series for message queuing and integration.
- **Network Administration**:Manage network configurations and troubleshoot network issues on the AS/400 platform.
- **Operating System Administration**:Administer the AS/400 operating system, including user management and system configurations.




- **O/S Upgrades**:Plan and implement operating system upgrades to maintain system integrity and performance.
- **Performance Tuning**:Optimize system performance through tuning and resource management.
- **Print Spooler Administration**:Manage print queues, create printer output queues, and resolve printing issues.
- **VIOS Management**:Administer Virtual I/O Server (VIOS) for efficient resource allocation and management.
- **Work Management**:Oversee job scheduling and workload management to ensure efficient system operations.
- **BRMS Experience**:Install, maintain, and tailor Backup, Recovery, and Media Services (BRMS) and resolve related issues.
- **Problem Analysis and Resolution**:Analyze and resolve complex problems in a mixed platform environment.
- **ServiceNow Experience**:Utilize ServiceNow for incident management, problem management, and change management.
- **CL Programming**:Develop and maintain CL programs for system automation and management.
- **SQL Familiarity**:Use SQL for database queries and management tasks.
- **DBU/SQL Assistance**:Provide support for DBU and SQL-related tasks and troubleshooting.
**Qualifications**:
- 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.
**What we offer**:
- Remote Work Opportunities
- Versátil Work Hours

📌 As/400 Administrator - Contract (Guadalajara)
🏢 Tech Holding
📍 Guadalajara