Computer Operator

United Overseas Bank Limited (UOB); Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

United Overseas Bank Limited (UOB) Singapore seeks an IT Operations professional to support the bank's 24x7 command center across Mainframe, AS/400, UNIX/Linux and Windows.

You will monitor real-time platforms, manage batch jobs, handle incidents, provide first-level support, and coordinate with infrastructure teams while maintaining audit-ready logs.

Qualifications

• Degree or Diploma in Information Technology or related field.
• 2+ years hands-on IT operations or Command Center experience.
• Familiarity with Mainframe, AS/400, UNIX/Linux, Windows.
• Proficient with Microsoft Office (Excel, Word, PowerPoint).
• Fluent in English, both spoken and written.
• Willingness to work 12-hour rotating shifts per pattern.

Responsibilities

• Real-time monitoring of system platforms, applications, ATM services and network infrastructure.
• Track and manage scheduled batch jobs and resolve failures per SLAs.
• Identify, escalate, and track incidents to appropriate support teams.
• Conduct first-level diagnosis and resolution of system and batch issues.
• Collaborate with infrastructure and application teams during incidents and maintenance.
• Maintain operational logs, incident records, and shift handover documentation.

Skills

IT operations

Command Center

English fluency

Team player

Education

Degree or Diploma in IT

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 elevate 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, escape, 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).