Senior Officer, Site Reliability Engineer

About UOB

United Overseas Bank Limited (UOB) is a leading bank in Asia with a global network of more than 500 branches and offices in 19 countries and territories in Asia Pacific, Europe and North America. In Asia, we operate through our head office in Singapore and banking subsidiaries in China, Indonesia, Malaysia and Thailand, as well as branches and offices. Our history spans more than 80 years. Over this time, we have been guided by our values - Honorable, Enterprising, United and Committed. This means we always strive to do what is right, build for the future, work as one team and pursue long-term success. It is how we work, consistently, be it towards the company, our colleagues or our customers.

Job Description

Job Summary

This incumbent will support Cyber Defence Engineering (CDE) managed applications. The individual will ensure reliability, performance, and operational excellence across security platforms through proactive monitoring, incident response, automation, and continuous improvement.

Responsibilities include building automated workflows, improving system observability, resolving production issues, maintaining security compliance, and supporting infrastructure resilience activities such as patching and disaster recovery.

Key Responsibilities

Reliability Engineering & Automation

• Develop automation to reduce manual operations, improve system availability, and optimize runbooks.
• Implement self-healing workflows and automated remediation for recurring issues.
• Perform root cause analysis (RCA) and drive long-term reliability improvements.
• Enhance asset reconciliation accuracy through automated discovery and validation.

Observability, Monitoring & Incident Response

• Implement and maintain monitoring dashboards, alerts, and health checks for CDE-managed applications.
• Respond to incidents, triage production issues, and restore service rapidly while maintaining communication with stakeholders.
• Improve alert quality, reduce noise, and ensure actionable monitoring.

Troubleshooting & Technical Support

• Diagnose application, and network issues across production and non-production environments.
• Coordinate with cybersecurity platforms, engineering teams, and vendors to resolve complex issues.
• Provide technical support for integrations, configuration dependencies, and system performance tuning.

Security, Compliance & Operational Governance

• Execute BAU changes securely and ensure adherence to CIS baselines and organizational security standards.
• Manage certificate renewals, vulnerability remediation, and configuration hardening.

Configuration Management & Platform Maintenance

• Optimize platform configurations to improve performance, security, and reliability.
• Manage patching cycles, maintenance windows, and application lifecycle activities.
• Maintain and update knowledge bases, runbooks, architecture diagrams, and SOPs.

Disaster Recovery & Business Continuity

• Ensure backup integrity and readiness for disaster recovery.
• Participate in DR testing exercises, simulate failovers, and validate application recovery procedures.

Reporting, Analytics & Performance Visibility

• Track SLOs, SLIs, error budgets, and key operational metrics (e.g., KORI).
• Build dashboards for log aggregation, application performance, and security posture.
• Provide periodic operations and improvement reports to stakeholders.

Stakeholder Management & On-Call Support

• Collaborate with cross-functional teams to ensure smooth service delivery and platform stability.
• Manage expectations proactively with stakeholders during outages and maintenance.
• Provide on-call or after-hours support following the team’s rotation schedule.

Requirements

Technical Skills

• Basic understanding of cybersecurity infrastructure and IT operations.
• Exposure to monitoring and security tools such as Splunk, SOAR, NDR, or equivalent.
• Familiarity with reliability concepts (SLA/SLO/SLI, incident lifecycle, automation practices) is a plus.

Problem-Solving & Analytical Ability

• Strong desire to learn how to troubleshoot distributed systems and security platforms.
• Ability to analyze patterns, identify root causes, and propose long-term fixes.

Communication & Collaboration

• Good written and verbal communication skills.
• Ability to produce documentation, runbooks, and RCA summaries.

Good to Have

• Prior exposure to cybersecurity operations or infrastructure support.
• Basic scripting skills (Python, Shell, PowerShell) for automation.
• Understanding of CI/CD, version control, log analytics, or cloud fundamentals.

Additional Requirements

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.

Apply now and make a Difference