AS400 System Infrastructure Manager

7 days ago

Singapore beBeeInfrastructure Full time $90,000 - $120,000
Job Title: AS400 System Infrastructure Manager

About the Role:

The AS400 System Infrastructure Manager is a pivotal position responsible for overseeing 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.

This individual will lead strategic planning, system performance monitoring, disaster recovery readiness, and collaborate closely with internal teams and external vendors to align infrastructure services with business needs.

Key Responsibilities:

  • Strategic Planning: Develop 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.
  • 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.
  • Backup and Recovery: Manage backup policies and ensure successful data recovery processes.
  • Vendor Relations: Engage and manage vendors to ensure service quality and contract compliance.
  • Reporting: Provide regular updates, KPIs, and performance metrics to management.
  • Team Leadership: Mentor junior infrastructure staff and provide ongoing training and development.
  • Documentation: Maintain accurate and up-to-date documentation of system configurations, procedures, and troubleshooting guides.

Requirements:

  • Bachelor's degree in computer science, Information Technology, or a related field (or equivalent experience).
  • 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.
  • IT processes, policies, and procedures.
  • Strong problem-solving and troubleshooting skills.
  • Knowledge on iSeries application structure, operating system, installation specifications, troubleshooting, problem determination, and data restoration techniques.
  • Knowledge on IBM products like WebSphere-MQ, CDC & iCluster replication, BRMS, ROBOT scheduler, and SKLM encryption.
  • Knowledge of security best practices and experience in implementing security measures.
  • Excellent communication and collaboration skills.
  • Good knowledge of SQL, CL, and MS Office Tools (including MS Access).
  • Troubleshooting skills for data, application/system performance problems by utilizing tools like IBM idoctor, performance manager, and Job watcher.
  • Must be able to multitask and manage multiple initiatives when required.
  • Willing to work when required.
  • Mature and strong leadership skill to lead both technical and service operation management.
  • Possess excellent communication skills; able to read, write, and speak English.
  • Must be willing and available to work after office hours, weekends for deployment activities and be on remote standby duty including occasional weekends when required.

  • AS400 Infrastructure Manager

    22 hours ago

    Singapore beBeeInfrastructure Full time $100,000 - $130,000

    Job SummaryWe are seeking a skilled IT professional to join our team as an AS400 Infrastructure Manager. This is a contract position with a 1-year term.About the RoleDevelop and implement infrastructure strategies for AS400 systems, including hardware, software, and network components.Monitor, tune, and forecast system performance to ensure reliability,...

  • AS400 Infrastructure Manager

    3 weeks ago

    Singapore ESPIRE INFOLABS (SINGAPORE) PTE. LTD. Full time

    Roles & ResponsibilitiesJob Summary:The AS400 IT Infrastructure Manager is responsible for overseeing 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 stratelifegic...

  • AS400 Infrastructure Manager

    7 days ago

    Singapore ESPIRE INFOLABS (SINGAPORE) PTE. LTD. Full time

    Roles & Responsibilities Job Summary: The AS400 IT Infrastructure Manager is responsible for overseeing 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 stratelifegic...

  • AS400 Infrastructure Manager

    6 hours ago

    Singapore ESPIRE INFOLABS (SINGAPORE) PTE. LTD. Full time

    Job Summary: The AS400 IT Infrastructure Manager is responsible for overseeing 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 stratelifegic planning, system...

  • AS400 IT Infrastructure Manager

    2 days ago

    Singapore Unison Consulting Pte Ltd Full time $90,000 - $120,000 per year

    Job Summary: The AS400 IT Infrastructure Manager is responsible for overseeing 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,...

  • Senior IT Systems Manager

    3 days ago

    Singapore beBeeInfrastructure Full time $150,000 - $190,000

    AS400 Infrastructure Manager RoleWe 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,...

  • Senior IT Systems Manager

    1 day 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...

  • System Engineer

    1 week ago

    Singapore PERSOLKELLY Singapore Full time

    **Responsibilities: -** - Install, configure, and maintain AS400 systems including hardware, software, and related infrastructure components - Monitor system performance to identify any issues or bottlenecks and take appropriate actions for optimization - Troubleshoot and resolve hardware and software problems in a timely manner to minimize downtime -...

  • Strategic AS400 Infrastructure Lead

    2 weeks ago

    Singapore beBeeEnterprise Full time $120,000 - $180,000

    Job Title:Enterprise IBMi AS400 Systems ManagerJob Description:This senior-level position oversees the strategic planning and system oversight of all AS400 infrastructure, including hardware, software, and network components.Develop long-term infrastructure strategies to ensure business continuity and scalability.Manage the full lifecycle of AS400 systems,...

  • Strategic AS400 Infrastructure Lead

    1 week ago

    Singapore beBeeEnterprise Full time

    Job Title: Enterprise IBMi AS400 Systems Manager Job Description: This senior-level position oversees the strategic planning and system oversight of all AS400 infrastructure, including hardware, software, and network components. Develop long-term infrastructure strategies to ensure business continuity and scalability. Manage the full lifecycle of...