Computer Operator- AS/400

Tangspac Consulting Group; Singapore; On-site; SGD 56,000 - 100,000; Part time

Job summary

Tangspac Consulting Group is seeking a Contract IT Operations professional to monitor enterprise IT systems and respond to alerts in a 24x7 environment. You will manage batch processing, incident logging, and provide timely follow-up to ensure system stability.

The role requires a Diploma or Degree in IT/CS and hands-on experience with AS400/Mainframe/Unix/Linux, along with strong documentation and collaboration skills to work across teams.

Qualifications

• Diploma or Degree in Information Technology, Computer Science, or a related discipline from a recognized institution.
• 1 year of hands-on IT Operations experience in a 24x7 Command Center, Operations Center, or Production Support environment with rotating shifts.
• Basic knowledge of enterprise computing platforms including AS400, Mainframe, and Unix/Linux.
• Proficient in Microsoft Office applications (Excel, Word, PowerPoint).
• Strong interpersonal skills with the ability to collaborate across teams and stakeholders.
• Ability to work independently, prioritize tasks, and stay effective under pressure in a fast-paced environment.
• Multi-platform systems experience on Mainframe, AS/400, UNIX, WinNT, etc., in Production and Development environments.
• Control-M Job Monitoring and functions.

Responsibilities

• Continuously monitor enterprise IT systems and respond to alerts per SOPs.
• Oversee scheduled application and batch processing for successful execution and corrective actions.
• Serve as the first contact for IT incidents via phone, email, or monitoring systems; log and follow up.

Skills

IT Operations

Batch processing

Incident management

Documentation

Education

Diploma or Degree in IT/CS

Tools

Control-M

AS400

Mainframe

Unix/Linux

Job description

Contract Role

Good to have Banking/Fintech experience

Responsibility

• Continuously monitor enterprise IT systems, including operating systems, application platforms, ATM services, network infrastructure, and hardware environments, and respond to alerts and exceptions in accordance with established Standard Operating Procedures (SOPs).
• Oversee scheduled application and batch job processing through job scheduling tools, ensuring successful execution and taking appropriate corrective actions for any failures or deviations based on SOP guidelines.
• Serve as the first point of contact for IT-related incidents and service disruptions reported via telephone, email, or monitoring systems, ensuring timely logging, tracking, and follow-up.
• Maintain accurate and up-to-date incident and problem records for all software, hardware, infrastructure, and application-related issues to support operational control and audit requirements.
• Execute operational activities such as job submissions, system backups, recovery procedures, and job restarts in accordance with approved SOPs and authorized ad-hoc requests.
• Perform first-level troubleshooting and diagnosis of system, application, and batch processing issues, resolving routine operational problems where possible and escalating complex incidents to Level 2 and Level 3 support teams following defined escalation procedures.
• Ensure adherence to operational standards, service level agreements (SLAs), and compliance requirements while supporting the stability and availability of critical banking systems.
• Prepare and maintain operational reports, shift handover documentation, and incident updates to ensure effective communication and continuity across support teams.

Requirement

• Diploma or Degree in Information Technology, Computer Science, or a related discipline from a recognized institution.
• At least 1 year of hands-on experience in IT Operations within a 24x7 Command Center, Operations Center, or Production Support environment , working on rotating shift schedules.
• Basic knowledge of enterprise computing platforms, including AS400, Mainframe, and Unix/Linux operating systems.
• Proficient in Microsoft Office applications, particularly Excel, Word, and PowerPoint.
• Strong interpersonal skills with the ability to collaborate effectively across teams and stakeholders.
• Demonstrated ability to work independently, prioritize tasks, and remain effective under pressure in a fast-paced operational environment.
• Multi-platform systems and operations experience on Mainframe, AS/400, UNIX, WinNT, etc, running in Production and Development environments.
• Control-M Job Monitoring and functions.