Senior Officer, Computer Operator, Group Infrastructure & Platform Services

United Overseas Bank; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

1011 United Overseas Bank Ltd in Singapore is seeking a capable IT Operations professional to join the 24x7 Command Center. You will monitor across Mainframe, AS/400, UNIX/Linux and Windows platforms, ensuring high service availability and quick incident response.

Key duties include real-time exception monitoring, batch operations tracking, incident management, first-level support, cross-team collaboration, and maintaining accurate logs for audits and compliance.

Qualifications

• Degree or Diploma in IT, CS, or related field.
• Minimum 2+ years in IT operations or command center.
• Experience with Mainframe, AS/400, UNIX/Linux, or Windows.
• Strong English communication and teamwork.

Responsibilities

• Real-time monitoring of system platforms, applications and infrastructure.
• Track and manage batch jobs, ensuring timely execution per SLAs.
• Identify, escalate and track incidents to support teams.
• Provide first-level diagnosis and resolution of issues.
• Coordinate with infrastructure and app support teams during incidents.
• Maintain accurate operational logs and shift handover docs.

Skills

English fluency

Team player

Calm under pressure

Attention to detail

Shift readiness

Education

Degree/Diploma in IT, CS, or related

Tools

Mainframe

AS/400

UNIX/Linux

Windows

Microsoft Office

Job description

Company: 1011 United Overseas Bank Ltd

About UOB

United Overseas Bank Limited (UOB) is a leading bank in ASEAN with a global network in Southeast Asia, Asia Pacific, Europe and North America. Operating through our head office in Singapore and banking subsidiaries in China, Indonesia, Malaysia, Thailand and Vietnam, we have a global network of about 430 branches and offices in 19 markets. At the heart of UOB is our culture, shaped by the UOB Way and anchored on our four values - Honourable, Enterprising, United and Committed. For more than 90 years, these values have guided how we do right by our customers, collaborate with one another and create long-term value for the communities we operate in. As One Bank, we are committed to helping our colleagues build sustainable careers grounded in purpose, supported by strong values, and enriched with meaningful opportunities to grow.

Job Description

As a member of the Computer Operations team, you will play a critical role in ensuring the seamless and continuous operation of the bank's IT systems across multiple platforms-including Mainframe, AS/400, UNIX, and Windows-within a 24x7 Command Center environment. This role demands strong attention to detail, the ability to work under pressure, and a commitment to maintaining 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, upscale 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).

Additional Requirements

Develop (Competency), Engage (Competency), Execute (Competency), Role Type (GTO), Strategise (Competency), Work Experience Level for GTO CWF

Be a Part of the UOB Family

UOB is an equal opportunity employer. UOB does not discriminate on the basis of a candidate's age, race, gender, color, religion, sexual orientation, physical or mental disability, or other non-merit factors. All employment decisions at UOB are based on business needs, job requirements and qualifications. If you require any assistance or accommodations to be made for the recruitment process, please inform us when you submit your online application.