Computer Operator

UNITED OVERSEAS BANK LIMITED; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

UNITED OVERSEAS BANK LIMITED is seeking an IT Operations professional to ensure 24x7 system availability across Mainframe, AS/400, UNIX/Linux, and Windows. You will monitor platforms, manage batch jobs, handle incidents, and collaborate with cross-functional teams to maintain service continuity.

Requirements include a IT-related degree or diploma, 2+ years in IT operations, and strong English communication. Willingness to rotate 12-hour shifts in a Command Center environment is expected.

Qualifications

• Degree or Diploma in Information Technology or Computer Science.
• 2+ years of hands-on IT operations or Command Center experience.
• Familiarity with Mainframe, AS/400, UNIX/Linux, or Windows.

Responsibilities

• Real-time monitoring of system platforms, applications, ATM services and network infrastructure; escalate as per SOPs.
• Track and manage scheduled batch jobs and ensure timely execution per SLAs.
• Identify, elevate, and track incidents to support teams for prompt resolution.
• Conduct first-level diagnosis and resolve system and batch issues when possible.
• Collaborate with infrastructure and application support teams during incidents and maintenance.
• Maintain operational logs, incident records, and shift handover docs for audits.

Skills

IT Operations

Mainframe

AS/400

UNIX/Linux

Windows

English fluency

Education

Degree or Diploma in IT/CS

Tools

Microsoft Office

Job description

Job Responsibilities

As a member of the Computer Operations team, you will play acritical role in ensuring the seamless and continuous operation of the bank’sIT systems across multiple platforms—including Mainframe, AS/400, UNIX, andWindows—within a 24x7 Command Center environment. This role demands strongattention to detail, the ability to work under pressure, and a commitment tomaintaining high service availability in a mission-critical environment.

• Exceptions Monitoring:Perform real-time monitoring of system platforms, applications, ATM services and network infrastructure using enterprise monitoring tools and promptly escalates exceptions to corresponding support teams, in accordance with SOPs, for timely action.
• Batch Operations:Track and manage scheduled batch jobs, ensuring timely execution and resolution of job failures conforming to the SLAs with business
• Incident Management:Promptly identify, elevate, and track incidents to the appropriate support teams, ensuring timely resolution and minimal disruption to business operations.
• First-Level Support:Conduct first-level diagnosis and resolution of system and batch issues before escalating to higher support tiers
• Collaboration:Work closely with infrastructure and application support teams to coordinate responses to incidents and planned maintenance activities.
• Documentation and Reporting:Maintain accurate operational logs, incident records, and shift handover documentation to support audit and compliance reviews.

Job Requirements

• Education: Degree or Diploma in Information Technology, Computer Science, or related field
• Experience: 2+ years of hands-on experience in IT operations or Command Center environment
• Technical Knowledge: Familiarity with one or more of the IT systems - Mainframe, AS/400, UNIX/Linux, Windows
• Tools: Working experience in Microsoft Office (Excel, Word, PowerPoint)
• Language: Fluency in both spoken and written English
• Soft Skills: Good interpersonal skills, ability to work as a team player, and remain calm under pressure
• Shift Readiness: Willingness to work 12-hour rotating shifts following a structured pattern (e.g. three consecutive workdays followed by two days off, then two workdays followed by another two days off).