204 Senior Dba jobs in Singapore

• Performs routine maintenance: backups, patching, performance tuning.
• Monitors replication health, query performance, and disk usage.
• Handles incident response and troubleshooting.
• install PostgresSQL database in cluster mode and DBA related task/maintenance activities as part of one-time activity during the project phas
• Post project, to support Postgres related DB maintenance activities.
• Provide support and guidance on Postgres patch installation for updates/security patch and vulnerability fixes.
• DB backup and restoration (daily, weekly, monthly, quarterly and yearly)
• DB maintenance Jobs scripts (Housekeep DB logs, Reorg indexes, Analyze DB)

Job Requirements

• At least 4 years of relevant working experience
• Minimum Bachelor Degree in Computer Science or equivalent
• Cards & Payments domain
• Hands-on expertise in PostgreSQL database setup and maintenance
• Familiarity with high availability and disaster recovery configurations
• Experience supporting Tier-1 applications with defined RTOs

We regret that only shortlisted candidates will be notified.

Job Responsibilities

• Performs routine maintenance: backups, patching, performance tuning.
• Monitors replication health, query performance, and disk usage.
• Handles incident response and troubleshooting.
• install PostgresSQL database in cluster mode and DBA related task/maintenance activities as part of one-time activity during the project phas
• Post project, to support Postgres related DB maintenance activities.
• Provide helpdesk support whenever there is incidents.
• Provide support and guidance on Postgres patch installation for updates/security patch and vulnerability fixes.
• Performance troubleshooting based on AWR reports
• DB backup and restoration (daily, weekly, monthly, quarterly and yearly)
• DB maintenance Jobs scripts (Housekeep DB logs, Reorg indexes, Analyze DB and etc)
• Provide support during DB failover
• Provide support during Disaster Recovery, both planned and adhoc
• Other Postgres related DBA activities.

Job Requirements

• At least 4 years of relevant working experience
• Minimum Bachelor Degree in Computer Science or equivalent
• Cards & Payments domain
• Hands-on expertise in PostgreSQL database setup and maintenance
• Familiarity with high availability and disaster recovery configurations
• Experience supporting Tier-1 applications with defined RTOs

We regret that only shortlisted candidates will be notified.

Interested applicants kindly click on apply now or send your updated resume to

Berlyn Lum Miao Yu

Registration Number: R

EA License Number: 02C4944

People Profilers Pte Ltd, 20 Cecil St, #08-09, PLUS Building, Singapore

Job Description:

• The candidate must be able to build up a new HA DB environment, including a DB monitoring system, DB automation system, DB log system, DB backup system, and other DB systems.
• Daily PostgreSQL, MySQL database monitoring, operation and maintenance, optimization, troubleshooting;
• Database security hardening to ensure the integrity and security of the database and backup data availability;
• Arrange to participate in the implementation of various types of cutovers, including the switchover from one master to multiple slaves, the implementation of BI data push, cluster data synchronization, and data migration.
• Perform stress testing on production databases and optimize database performance;
• Set up a cluster and disaster recovery environment to achieve high availability of the database.

Requirement:

• Candidate must possess at least Bachelor's Degree/Post-Graduate Diploma/Professional Degree in Computer Science/Information Technology or equivalent.
• At least 1 Year of working experience in PostgreSQL database for a junior position. At least 3 Year(s) of working experience in PostgreSQL database for a senior position.
• Required Skill(s): PostgreSQL, database monitoring, DB automation system, technical support, HA DB environment, production database testing
• Familiar with SQL statement, performance tuning, and troubleshooting application issues
• Strong Knowledge in DB security control
• Team player and able to work independently
• Provide technical support to other team members
• Preferably Senior Executive specialized in IT/Computer - Network/System/Database Admin or equivalent.

Company Benefit:

• Attractive rewards for long-term service staff
• Friendly working environment (flexible working hours, quarterly events, staff birthday celebration and etc.)
• Medical insurance

The Cloud Database Administrator is responsible to be part of a team of Data Engineers to perform database Administration activities such as database setup, defining/maintaining database objects, backup and recovery in a cloud environment. He/She is also heavily involved in database design and review, application SQL tuning and maintaining documentation meeting customer's expectation. He/She will also provide database consultancies such as performance tuning, data governance and data policies

• Monitor & measure the performance & availability of databases proactively; implement corrective actions identified to improve performance & availability.
• Regularly reviewing query execution plans to identify inefficient queries.
• Monitoring CPU and memory usage to detect resource bottlenecks, Setting up alerts for abnormal database behavior.
• Data Access Control for Azure Database Admin
• Implementing role-based access control, Assigning permissions based on the principle of least privilege,Regularly reviewing and updating access levels.
• Meet agreed service level, document & maintain the configuration of the databases; provide regular reporting to relevant parties.
• Propose and implement action plan when required.
• Prepare standard operations procedures for Database Administration activities.
• Participate in service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
• Involve and lead in database implementation.
• Define data governance policy related to database operations management. Manage database permission, hardening standards, database naming standards.
• Keep abreast of database technologies.
• Work with application team to review the database design and recommend suitable changes to the data model with understanding of the business and application environment
• Develop standards and procedures related to database environment and ensure that it is followed through for all implementations
• Engage customers to explain the rationale of the database design, or other technical issues
• Educate application team on best practices in coding and design
• Share knowledge with the team and develop and train junior Data Engineer
• Share knowledge with the rest of organization through CoPs or other in-house forums
• Conduct technical courses related to database management
• Contribute to knowledge repository on experience learnt through project implementation
• Maintain documentation related to database environment
• Assist and respond promptly to incident, investigate & provide temporary &/or permanent resolution of incidents escalated. Provide timely status updates to relevant parties.
• Adhere to strict security practices for compliance
• Depending on project requirement, there is a need to support 24x7 requirement. DBA is expected to come back to office and work.
• Implement and oversee backup procedures and disaster recovery strategies.

Requirement

• Minimum 5 years in database administrators in an operational support environment.
• Minimum 3 years in software development or server infrastructure Project
• Application development experience with relational databases such as SQL server Databases.
• Participated in development projects with full exposure as database administrator in either AWS Cloud or Azure Cloud environment.
• Good Operational Experience with Cloud database Administration
• Good practical experience in data modelling and review meeting play the role of data architect.
• At least 5 years of hands-on experience in trouble-shoot technical problems faced by the project team.
• At least 3 years of working experience in Application performance Tuning and database Performance management
• Experience in setting DB replication and Replication management environment
• Certification in SQL server or other database technologies is value add.
• Good to have experience in other Database products like DB2, MariaDB and MySQL.

We regret to inform that only shortlisted candidates will be notified.

This is in partnership with Employment and Employability Institute Pte Ltd ("e2i"). e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to e2i's PDPA.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy. 

PERSOLKELLY Singapore Pte Ltd
• RCB No E
• EA License No. 01C4394
• Reg. R , Lucas Tan

Epergne Solutions is looking for a Oracle DBA.

Responsibilities

• Design and implement robust database administration solutions including resource management, security, backup and recovery, performance monitoring and tuning, data management and capacity planning, multi-threading and parallelism, planning and implementing failover between database instances.
• Provide necessary architectural oversight for any implementation, recommendation or changes in supported environments initiated through periodic reviews, audits conducted by internal delivery assurance groups or by client initiated audits or requests.
• Assist in automation activities where-ever possible from design through development and deployment
• Technical documentation skills
• Share domain and technical expertise, providing technical mentorship and cross-training to other peers and team members
• Assist developers with complex query tuning and schema refinement
• Be part of new implementation projects and will be responsible to prepare the pre-implementation plan for such projects - internal or external as may be required from time to time for implementation by the Implementation Teams
• Independently analyze, solve, and correct issues in real time, providing problem resolution end-to-end.
  Apply data modeling techniques to ensure development and implementation support efforts meet integration and performance expectations

Skills Required

• Possess a degree in Computer Science/Information Technology or related fields.
• Minimum 10 years of experienced in DBA who has worked on Oracle and any other RDBMS.
• Should have experience Installation, Administration and Troubleshooting in Operating Systems - Linux (RedHat, Fedora, CentOS) Windows Server
• Hands-on experience in building database, writing database code like functions, procedures, stored procedures, triggers etc.
• Working experience on Oracle RAC & Data Guard is a must.
• Strong experience with performance optimization and tuning with database applications is a must
• Complete architectural knowledge on Oracle Database engines
• Strong knowledge of backups, restores, recovery models, database shrink operations, Clustering, Database mirroring, Replication
• Ability to detect and troubleshoot Oracle Server related CPU, Memory, I/O, disk space and other resource contention
• Exposure to large OLAP modeling, star schema is an advantage

Epergne Solutions is looking for a Oracle DBA.

Responsibilities

• Design and implement robust database administration solutions including resource management, security, backup and recovery, performance monitoring and tuning, data management and capacity planning, multi-threading and parallelism, planning and implementing failover between database instances.
• Provide necessary architectural oversight for any implementation, recommendation or changes in supported environments initiated through periodic reviews, audits conducted by internal delivery assurance groups or by client initiated audits or requests.
• Assist in automation activities where-ever possible from design through development and deployment
• Technical documentation skills
• Share domain and technical expertise, providing technical mentorship and cross-training to other peers and team members
• Assist developers with complex query tuning and schema refinement
• Be part of new implementation projects and will be responsible to prepare the pre-implementation plan for such projects - internal or external as may be required from time to time for implementation by the Implementation Teams
• Independently analyze, solve, and correct issues in real time, providing problem resolution end-to-end.
• Apply data modeling techniques to ensure development and implementation support efforts meet integration and performance expectations

Skills Required

• Possess a degree in Computer Science/Information Technology or related fields.
• Minimum 10 years of experienced in DBA who has worked on Oracle and any other RDBMS.
• Should have experience Installation, Administration and Troubleshooting in Operating Systems - Linux (RedHat, Fedora, CentOS) Windows Server
• Hands-on experience in building database, writing database code like functions, procedures, stored procedures, triggers etc.
• Working experience on Oracle RAC & Data Guard is a must.
• Strong experience with performance optimization and tuning with database applications is a must
• Complete architectural knowledge on Oracle Database engines
• Strong knowledge of backups, restores, recovery models, database shrink operations, Clustering, Database mirroring, Replication
• Ability to detect and troubleshoot Oracle Server related CPU, Memory, I/O, disk space and other resource contention
• Exposure to large OLAP modeling, star schema is an advantage

Local Banking client

Responsibilities

• Create and maintain all databases required for development, testing education and production usage.
• Perform capacity planning required to create and maintain the databases. Closely with system administration / Infra staff to understand the landscape of the Oracle Physical Server and databases.
• Proactively monitoring the database's health and taking preventive or corrective action as required
• Work as part of a team and provide 24x7 support
• Performs ongoing tuning of the database instances.
• Install new versions of the Oracle RDBMS and its tools and any other tools that access the Oracle database.
• Plans and implements backup and recovery of the Oracle database"

Skills/Requirement

• Degree in Information Systems, related field or equivalent working experience preferred
• 5 years' experience with database administration
• Experience in Manage User Role and Privileges and provide report for Database Audit
• Working knowledge on High availability in Oracle Environment– RAC, Dataguard, Clustering, Golden Gate, Replication
• Disaster Recovery Plan, Shell Scripting knowledge, Database Migration / Upgrades
• Standards based on user requirements using PL/SQL, , Oracle Forms/Reports, ADF Framework.
• Writing SQL, PL/SQL programs, Packages, Stored procedures, Functions and Triggers to automate the interface processes for daily/incremental loads.

We regret to inform that only shortlisted candidates will be contacted.

PERSOLKELLY Singapore Pte Ltd
• EA License No. 01C4394
• EA Registration No. R (SUJA THERESA FRANCIS)

This is in partnership with Employment and Employability Institute Pte Ltd ("e2i"). e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to e2i's PDPA .

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy.

***

Job Description:

• The candidate must be able to build up a new HA DB environment, including a DB monitoring system, DB automation system, DB log system, DB backup system, and other DB systems.
• Daily PostgreSQL, MySQL database monitoring, operation and maintenance, optimization, troubleshooting;
• Database security hardening to ensure the integrity and security of the database and backup data availability;
• Arrange to participate in the implementation of various types of cutovers, including the switchover from one master to multiple slaves, the implementation of BI data push, cluster data synchronization, and data migration.
• Perform stress testing on production databases and optimize database performance;
• Set up a cluster and disaster recovery environment to achieve high availability of the database.

Requirement:

• Candidate must possess at least Bachelor's Degree/Post-Graduate Diploma/Professional Degree in Computer Science/Information Technology or equivalent.
• At least 1 year of working experience in the related field is required for a junior position.
• Required Skill(s): PostgreSQL, database monitoring, DB automation system, technical support, HA DB environment, production database testing
• Familiar with SQL statement, performance tuning, and troubleshooting application issues
• Strong Knowledge in DB security control
• Team player and able to work independently
• Provide technical support to other team members
• Preferably Senior Executive specialized in IT/Computer - Network/System/Database Admin or equivalent.

Company Benefit:

• Attractive rewards for long-term service staff
• Friendly working environment (flexible working hours, quarterly events, staff birthday celebration and etc.)
• Medical insurance

Key Responsibilities

• Install, configure, and maintain Oracle Databases across development, testing, and production environments.
• Manage and support Oracle Middleware components (e.g., WebLogic, SOA Suite, Oracle Fusion Middleware).
• Oversee and support Oracle Applications deployments, including patches, upgrades, and performance tuning.
• Plan and execute database upgrades, migrations, backup/recovery strategies, and disaster recovery drills.
• Optimize database performance through proactive monitoring, tuning, and capacity planning.
• Implement and manage cloud-based database solutions on Oracle Cloud Infrastructure (OCI) and/or AWS.
• Collaborate with DevOps teams to integrate database environments into Kubernetes (K8s) workflows for automation and scalability.
• Ensure security, compliance, and adherence to organizational policies and standards.
• Troubleshoot complex issues across database, middleware, and application layers.
• Develop and maintain documentation, SOPs, and knowledge base articles.

Required Skills & Experience

• 5+ years of hands-on experience as an Oracle DBA in large, complex environments.
• Strong knowledge of Oracle Database 19c (installation, configuration, performance tuning, backup/recovery).
• Experience with Oracle Middleware (e.g., WebLogic Server, SOA Suite).
• Experience working with Oracle Applications (,Fusion Apps, or similar).
• Proficiency in deploying and managing databases on OCI and/or AWS.
• Familiarity with Kubernetes and containerization for database operations.
• Solid understanding of database security, high availability (RAC, Data Guard), and disaster recovery concepts.
• Scripting skills (Shell, Python, or similar) for automation.
• Excellent problem-solving, communication, and teamwork skills.