Senior IT Systems Manager

2 days ago

Singapore beBeeInfrastructure Full time

AS400 Infrastructure Manager Role

We are seeking an experienced AS400 Infrastructure Manager to oversee the end-to-end technical infrastructure and system resources of the IBM iSeries (AS400) platform.

This role ensures the reliable, secure, and optimized operation of all iSeries hardware, software, and network components. The manager leads strategic planning, system performance, disaster recovery readiness, and collaborates closely with internal teams and external vendors to align infrastructure services with business needs.

Key Responsibilities:

  • Strategic Planning:
  • Create and execute long-term infrastructure strategies for the iSeries environment.
  • System Oversight:
  • Manage the full lifecycle of AS400 systems—including hardware, software, storage, and network connectivity. Install, upgrade, and maintain IBMi-OS and related PTF software on the AS/400 system. Collaborate with application developers to ensure compatibility and optimal performance.
  • Performance Monitoring:
  • Ensure optimal system performance, reliability, and availability through regular monitoring and tuning.
  • Security and Compliance:
  • Implement industry-standard security protocols and maintain compliance with relevant regulations.
  • Project Management:
  • Lead infrastructure projects such as AS400 hardware refresh, system upgrades, and migrations.
  • Cross-Team Collaboration:
  • Work closely with application teams, business users, project managers, and vendors.
  • Capacity Management:
  • Conduct regular capacity planning and system forecasting to support future growth.
  • Troubleshooting:
  • Identify and resolve system issues promptly, providing Tier 3 support when needed.
  • Disaster Recovery:
  • Maintain disaster recovery plans and oversee regular testing for AS400 systems.

Requirements:

  • Bachelor's degree in computer science, Information Technology, or a related field.
  • Minimum 10 years of experience as an AS/400 Administrator or in a similar role.
  • In-depth knowledge of IBM iSeries hardware, OS/400 operating system, and associated software.
  • Strong problem-solving and troubleshooting skills.
  • Knowledge on iSeries application structure, operating system, installation specifications, troubleshooting, problem determination and data restoration techniques.
  • Excellent communication and collaboration skills.
  • Good knowledge of SQL, CL, and MS Office Tools.

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