Senior Database Services Engineer

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is building an AI-first telco for the future—connecting people, businesses and communities through trusted networks, intelligent digital services and next-generation technology.

We seek an experienced Oracle Database Administrator to manage on-prem and cloud databases, ensure performance, security, and disaster recovery, and provide 24x7 support across global teams. Oracle RAC/Cluster skills are essential, with multi-database experience a plus.

Qualifications

• Bachelor degree in Computer Science or equivalent.
• Oracle Professional Certification.
• Experience with Oracle 11g+, RAC/Cluster and multitenant CDB/PDB.
• 3+ years in Oracle database administration.
• Experience with MS SQL / MySQL / PostgreSQL / MongoDB.
• Strong diagnostics, backup and disaster recovery skills.
• Shift/roster flexibility and 24x7 support readiness.

Responsibilities

• Manage day-to-day operational database administration for on Prem and cloud.
• Handle RMAN backups, encryption, wallet management and DG/DR activities.
• Monitor performance and availability; tune SQL and AWR as needed.
• Apply security patches and database hardening per CIS benchmarks.
• Ensure DR and continuity with failover and DG synchronization.
• Provide 24x7 support and incident management; document procedures.

Skills

Oracle database

RAC/Cluster

Backup & recovery

Security hardening

Performance tuning

Data Guard

Scripting

Incident response

Education

Bachelor's degree in Computer Science or equivalent

Oracle Certification

MS SQL / MySQL / PostgreSQL / MongoDB Certifications

Job description

An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every "hello" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

Singtel is where Technology meets Purpose.

We're building an AI-first telco for the future—connecting people, businesses and communities through trusted networks, intelligent digital services and next-generation technology.

From transforming everyday experiences in mobile, broadband, entertainment and lifestyle services to enabling enterprises with AI, 5G+, cloud, cybersecurity, data centres and digital platforms, we create the technology that powers how millions live, work and connect.

At Singtel, your work creates real impact. You'll solve meaningful challenges, shape critical digital infrastructure and help build secure, resilient and AI-enabled solutions that serve businesses, digital ecosystems and communities across the globe.

This is where BIG Possibilities become reality. Whether you're engineering intelligent networks, advancing sovereign AI cloud platforms, strengthening cybersecurity, designing seamless customer experiences or driving sustainable innovation, you'll be part of teams shaping the future of technology.

Backed by decades of expertise and driven by a culture of continuous learning and innovation, Singtel offers the scale, opportunities and support to help you grow your career while making a difference where it matters most.

How You Will Make An Impact

• The candidate should possess good knowledge and experience with Oracle database from 11g and above .
• Candidate is responsible for the day-to-day operational aspects of database administration to meet the business needs and service level for database in on Prem & cloud/Azure covering ORACLE (11g,12c,19c +..) including RAC & Non RAC plus plus another db flavour MSSQL/SQLMI/MYSQL/POSTGRES/Mongo including cluster.
• Knowledge and experience with Oracle Multitenant (CDB/PDB).
• Manage and troubleshoot the L2 tasks independently
• Provide 2nd level operational database support on functions associated with maintenance of Oracle Server databases plus MSSQL/SQLMI/MYSQL/POSTGRES/Mongo cluster/standalone onprem/cloud including administration, performance, security &hardening, back-up,dataguard configuration and maintenance, reporting, and recovery procedures
• Assist and respond promptly to incident, investigate & provide permanent resolution of incidents escalated.
• Manage database changes through change request process & provide status reports to the relevant parties.
• Monitor & measure the performance & availability of databases proactively; implement corrective actions identified to improve.
• Perform regular security patching for the DBs including RAC/Cluster db.
• Handle service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
• Good experience with RMAN backup configuration, troubleshooting backup issues.
• Good experience in manage with encryption and wallet management.
• Knowledge with AD integration.
• Diagnosis knowledge based on alert, cluster listener logs to check for the db core issues.
• Performance tuning core db &application sql plan, good knowledge in ready AWR &scripting knowledge
• Manage / maintain &optimise oracle DB space including tablespaces, ASM &database FS, Periodic rebuild to defragment /Space management.
• Manage DB access. Create, Change, delete users accounts as per request following security guidelines.
• Good experience in managing oracle data guard and ensure DG/DR in synch all times and manage DR activities with Switchover/failover.Monitor and maintain database backups.
• Create and maintain database related documents including asset, SOP etc.
• Review & perform application and core db deployments.
• Audit related hardening & Support.
• Prompt 24x7 support.
• Accommodative for Shift/Roster call out.

Skills For Success

• Minimum Bachelor Degree in Computer Science or equivalent.
• Oracle Professional Certification
• Added advantage if have additional certification like MS SQL /MYSQL/EDB /POSTGRES/MONGO Professional Certification
• Minimum 3 year of experience in Oracle(Standalone +RAC/Cluster)
• Plus work experience on MS SQL /MYSQL/EDB/Postgres/MongoDB
• Extensive experience in managing common Database platform like Oracle, and to have another db flavour PostgreSQL/MSSQL/MYSQL/MONGO/POSTGRES Including Cluster architecture
• Experience in performing database Patching, backup & recovery as well as excellent troubleshooting and performance tuning skill is a must.(Including cluster architecture)
• Implement Database hardening as per CIS Benchmarks.
• Implement and manage DR,Audit, Backup & Monitoring of DBs.
• Strong analytical skills for problem-solving database-related issues.
• Big picture thinking - the ability to see how parts interact with the whole
• Good knowledge of IT governance and operations
• Ability to influence an outcome without creating conflict
• Customer service orientation

Are you ready to say hello to BIG Possibilities?

Join Singtel to shape what's next and accelerate your career through meaningful work, continuous learning, and real impact.