Support Engineer - BSS/OSS Platform Support

Be a part of something BIG!

Say HELLO to BIG Possibilities with Singtel KL (Sudong MY Sdn Bhd)!

Singtel is a communications technology group focused on connecting people and businesses through innovation and digital services.

We are looking for a Support Engineer – BSS/OSS Platform Support to maintain the health, reliability and support of platforms underpinning our digital telco services. You will investigate cross-domain issues across BSS/OSS, Azure services, APIs and microservices, charging systems and web/mobile applications. You will support incident response, root-cause analysis, release readiness and continuous improvement across DEV, UAT and PROD environments.

Make an Impact by:

1. Platform Operations & Incident Management

• Provide L2/L3 technical support across BSS domains such as CRM, Order Management, Billing, Mediation and Charging, and OSS domains including Provisioning, Activation, Inventory and Network Exposure.

• Investigate platform incidents, implement approved workarounds and help restore service within agreed SLAs.

• Support P1/P2 incident bridges and coordinate with vendors and cross-functional teams in Singapore and India.

• Perform root-cause analysis, contribute to post-incident reviews and implement corrective and preventive actions.

2. Application, API & Data Troubleshooting

• Troubleshoot API-first and microservices architectures, including REST APIs, JSON, OAuth/OpenID Connect, rate limits and resiliency patterns.

• Use SQL, including PostgreSQL or SQL Server, to analyse application data issues, integrity and performance.

• Diagnose issues involving connected web/mobile applications, integration services and real-time charging systems.

3. Cloud Operations, Monitoring & Reliability

• Support platform monitoring and technical investigations across Azure-hosted applications and services.

• Use operational and observability tools such as ServiceNow and the ELK stack for incident, problem and change workflows.

• Contribute to high-availability, disaster-recovery, capacity planning and operational risk mitigation.

• Identify incident trends and improve monitoring, testing and release practices to reduce recurring issues.

4. Service Management & Operational Readiness

• Maintain accurate incident, SLA and stakeholder reports in line with Group IT procedures.

• Ensure service management documentation is complete, consistent and up to date.

• Support necessary manual operational activities and user requests while sustainable fixes are developed.

• Participate in scheduled extended shift coverage, including on-call support outside standard working hours and weekends when required.

5. Stakeholder Collaboration & Continuous Improvement

• Coordinate technical escalations with business stakeholders, vendors and cross-functional engineering teams.

• Communicate incident impact, progress and recovery actions clearly.

• Support compliant Change, Incident, Problem, Risk and Security Management activities.

• Proactively identify and implement opportunities to improve platform stability and operational efficiency.

Skills for Success

• Diploma or degree in Information Technology or a related discipline.

• Approximately 3–5+ years of experience in application/platform support, job monitoring and optimisation, incident/RCA management or site reliability engineering in telecommunications or a comparable high-throughput environment.

• Knowledge of BSS capabilities including CRM, order capture/orchestration, product catalogue, mediation, billing and charging/Intelligent Network.

• Knowledge of OSS capabilities including provisioning/activation, inventory, service fulfilment and service assurance.

• Hands-on experience troubleshooting REST APIs, microservices, SQL and operational monitoring tools.

• Familiarity with ServiceNow, ELK and high-availability, disaster-recovery and capacity-planning practices.

• Azure services, NoSQL, distributed tracing and log correlation experience are advantageous.

• Whale Cloud Technology ZSmart experience and Scrum, Linux or Azure-related certifications are advantageous.

• Strong analytical, communication, teamwork and problem-solving skills, with the ability to manage incidents independently and collaboratively.

• Good working proficiency in English.

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