155 Oracle Database jobs in Singapore

Job Description & Requirements

Key Responsibilities:

• Manage and administer Oracle databases (versions 12c, 19c, and newer) in production and development environments.

• Perform advanced database performance tuning, query optimization, and index management.

• Design and implement high availability (HA), disaster recovery (DR), and backup strategies (RMAN, Data Guard).

• Automate routine database tasks using PL/SQL, Shell scripting, or Ansible.

• Apply patches, perform upgrades/migrations (on-prem and cloud), and manage version control.

• Implement and enforce database security, roles, and user access controls.

• Monitor database health and proactively identify and resolve potential issues.

• Provide L3 support for escalated incidents and lead root cause analysis.

• Collaborate with development, infrastructure, and DevOps teams to support application and system integration.

• Participate in on-call rotation and support weekend deployments when necessary.

• Document architecture, configurations, and procedures for audit and knowledge transfer.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or related field.

• 6 years of hands-on Oracle DBA experience with at least 3 years in a senior/L3 role.

• Expertise in Oracle, ASM, RMAN, Data Guard, and GoldenGate.

• Strong knowledge of Oracle internals, performance diagnostics (AWR, ASH, TKPROF), and troubleshooting tools.

• Experience with cloud platforms (OCI, AWS RDS for Oracle, or Azure Database for Oracle).

• Familiarity with ITIL processes and incident/change/problem management.

• Scripting experience (Shell, Python, or similar) for automation and monitoring.

• Excellent communication skills and the ability to work in a high-pressure environment.

• Willing to Learn SAP HANA

Take on a critical role where your Oracle database expertise will ensure the reliability, performance, and security of mission-critical database environments. This position offers the opportunity to work with comprehensive Oracle technologies including RAC clusters, Data Guard, and Golden Gate while supporting enterprise-level database operations across production, development, and disaster recovery environments.

• Multi-Environment Support - Support Oracle Database environments across PROD/DR/DEV/QA/UAT environments, ensuring optimal performance and availability across all critical business systems

• Database Administration - Provide expert administration for Oracle databases (11g/12c/18c/19c), managing complex enterprise database solutions with precision and reliability

• High Availability Management - Support high availability Oracle RAC environments including 2/3/4 node clusters, Oracle Golden Gate, and Oracle Data Guard to ensure maximum uptime and data protection

• Issue Resolution - Troubleshoot and resolve complex database integrity issues, performance problems, blocking and deadlocking situations, connectivity challenges, and security concerns

• Performance Monitoring - Generate comprehensive reports using Oracle tools like AWR, ASH, ADDM, and custom scripts to provide insights into database performance and health

• Continuous Monitoring - Provide ongoing monitoring, troubleshooting, and both historical and real-time performance analysis of Oracle database systems

• Backup and Recovery - Manage RMAN, expdp/impdp, backup and recovery operations to ensure data protection and business continuity

• System Maintenance - Evaluate and install new software releases, patches, upgrades, and perform database cloning operations to keep systems current and secure

• Security Management - Develop and execute comprehensive database security policies and procedures to protect sensitive data and maintain compliance

• Health Monitoring - Conduct daily health monitoring of database systems and perform regular data integrity checks to prevent issues before they impact operations

• Performance Optimization - Collect and analyze database performance information, identify bottlenecks, and implement effective solutions for performance improvements

• Stakeholder Collaboration - Work closely with users and vendors to resolve issues impacting service levels while conducting thorough root cause analysis

• Oracle Database Expertise - Extensive experience supporting Oracle Database environments across PROD/DR/DEV/QA/UAT with strong administration skills in Oracle versions 11g/12c/18c/19c

• High Availability Experience - Proven experience supporting Oracle RAC environments, Oracle Golden Gate, and Oracle Data Guard in enterprise settings

• Problem-solving Skills - Strong troubleshooting abilities for database integrity issues, performance problems, blocking/deadlocking situations, connectivity issues, and security challenges

• Operating System Knowledge - Solid understanding of Windows and Unix operating systems to support comprehensive database infrastructure

• Monitoring Expertise - Experience generating reports using Oracle tools like AWR, ASH, ADDM, and developing manual scripts for performance analysis

• Backup and Recovery Skills - Strong experience with RMAN, expdp/impdp, and comprehensive backup/recovery procedures

• System Management - Experience evaluating and installing software releases, patches, upgrades, and performing database cloning operations

• Security Knowledge - Expertise in developing and executing database security policies and procedures

• Performance Analysis - Ability to collect and analyze database performance information and implement effective solutions for optimization

• Additional Technologies - Experience with other RDBMS, NoSQL databases, and cloud platforms will be advantageous for diverse project requirements

• Communication Skills - Excellent English communication skills (written and spoken) with strong documentation abilities for creating knowledge bases, runbooks, and topology documentation

• Collaboration Abilities - Strong skills working with users and vendors to resolve issues and conduct thorough root cause analysis

Ready to join this role? Click Apply now to submit your resume and share your availability and expected salary with us

We welcome applications from database professionals who are passionate about Oracle technologies and committed to maintaining enterprise-level database excellence.

All information received will be kept strictly confidential and will be used only for employment-related purposes.

Jobs DB Singapore Pte Ltd | 24C2640

Low Jia Yi | R

Experiences, Education and Professional Qualification

To have some experience working with the below products.

• Oracle Databases (EBS & Non EBS Databases)
• Oracle Enterprise Manager
• Oracle Application Server
• Oracle e-Business Suite
• Oracle Golden Gate / Label Security / Data Masking / Oracle encryption
• Oracle SOA / Web logic
• Other Oracle related Product
• PL/SQL and shell scrip programming
• Microsoft SQL Server Databases
• My SQL Databases

Job Roles & Responsibilities

Administer the databases and Oracle Applications in Production, Test, and Development.
- Monitor, manage and maintain the database and ensure optimisation of performance
- Responsible for the installation / migration or upgrade of databases based on Client's requirement.
- Responsible for the hardening of Database in accordance with Client company policies, processes, and guidelines.
- Coordinate with Client's data centre team and business application team to perform the monthly maintenance activity.
- Provide technical database administration support to the application developers and business super users.
- Monitor several database components through Oracle Enterprise Manager (OEM) and resolve issue identified.
- Clone Oracle Databases and Non-Oracle Databases
- Apply patches to Databases and applications based on Client's requirement.
- Troubleshoot problems related to applications and databases and provide support including tar logging.
- System health check and data management – defragmentation, export/import, relocation of data files, and database refreshes.
- To support the Client in the backup and recovery of databases and applications.
- Participate in and support Client in scheduled DR exercises
- To change password periodically for default database users used by Oracle application as Client's security policies.
- Housekeeping of databases and applications in scope as per Client's policies.
- Configuring of OEM alerts for Databases.
- To support client on program deployments and code migrations.
- Provide necessary documentations as per Client's requirement
- Liaising and working with Oracle Customer Success Services team to support Client projects and initiatives.
- Prepare weekly and Monthly report.
- To participate in Oracle Cloud migration and Oracle upgrade projects, providing support in database administration activities according to project schedule.

We are seeking a skilled and proactive Oracle Database Administrator (DBA) to manage, optimize, and secure our enterprise-grade database infrastructure. The ideal candidate will have strong hands-on experience with Oracle Databases, Oracle Middleware, cloud platforms (OCI/AWS), and DevOps tools including Kubernetes. Experience with Oracle Applications is a key advantage.

The role involves working closely with infrastructure, development, and operations teams to ensure the reliability, scalability, and performance of critical database systems supporting business applications.

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.

Responsibilities

• Install, configure, and upgrade 19c, SQL Server 2019,2022 and if any experience in MariaDB/MySQL database is added advantage.

• Administer production and non-production databases, ensuring high availability and performance.

• Monitor database health, identify bottlenecks, and implement performance tuning (SQL tuning, indexing, query optimization).

• Manage database backup, recovery, disaster recovery (DR), and high availability (Oracle RAC, Data Guard, ASM, SQL Server Always On, MariaDB Replication/Clustering).

• Implement database security, user management, and auditing in line with compliance standards.

• Provide 24x7 support for production systems on a rotational basis.

Skills/Requirement

• Minimum 4+ years' hands-on experience in Oracle database administration.

• Strong expertise in Oracle RAC, ASM, and Data Guard.

• knowledge of MariaDB/MySQL replication, clustering, and HA/DR configurations is advantage.

• Proficiency in backup and recovery using RMAN, SQL native tools, and maria backup.

• Expertise in performance tuning, query optimization, and storage engine management (InnoDB, MyISAM).

Interested candidates, who wish to apply for the above position, please send in your resume to:

PERSOLKELLY Singapore Pte Ltd EA License No. 01C4394 EA Reg No: R ABDUL RAHMAN ANSARI RAJA)

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

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We are looking an experienced Oracle Database Administrator (DBA) to manage, maintain, and optimize our mission-critical databases. The candidate will have a strong background in Oracle, SQL Server, and MariaDB/MySQL administration, including performance tuning, backup/recovery, high availability, and security.

Key Responsibilities:

• Install, configure, and upgrade Oracle 11g, 12c and 19c and if any experience in MariaDB/MySQL database is added advantage.
• Administer production and non-production databases, ensuring high availability and performance.
• Monitor database health, identify bottlenecks, and implement performance tuning (SQL tuning, indexing, query optimization).
• Manage database backup, recovery, disaster recovery (DR), and high availability (Oracle RAC, Data Guard, ASM, SQL Server Always On, MariaDB Replication/Clustering).
• Implement database security, user management, and auditing in line with compliance standards.
• Plan and execute database patching, upgrades, and migrations with minimal downtime.
• Collaborate with application teams to design efficient database schemas and optimize queries.
• Troubleshoot database issues, analyze root causes, and provide timely resolutions.
• Develop and maintain scripts for automation of routine tasks.
• Provide 24x7 support for production systems on a rotational basis.

Required Skills & Qualifications:

• Minimum 5+ years' hands-on experience in Oracle database administration.
• Strong expertise in Oracle RAC, ASM, and Data Guard.
• knowledge of MariaDB/MySQL replication, clustering, and HA/DR configurations is advantage.
• Proficiency in backup and recovery using RMAN, SQL native tools, and mariabackup.
• Expertise in performance tuning, query optimization, and storage engine management (InnoDB, MyISAM).
• Knowledge of database security best practices and auditing.
• Familiarity with UNIX/Linux environments and shell scripting.

EA Licence No.:18S9405 / EA Reg. No.:R

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at to stay informed about new opportunities and events.

We are looking an experienced Oracle Database Administrator (DBA) to manage, maintain, and optimize our mission-critical databases. The candidate will have a strong background in Oracle, SQL Server, and MariaDB/MySQL administration, including performance tuning, backup/recovery, high availability, and security.

Key Responsibilities:

• Install, configure, and upgrade Oracle 11g, 12c and 19c and if any experience in MariaDB/MySQL database is added advantage.
• Administer production and non-production databases, ensuring high availability and performance.
• Monitor database health, identify bottlenecks, and implement performance tuning (SQL tuning, indexing, query optimization).
• Manage database backup, recovery, disaster recovery (DR), and high availability (Oracle RAC, Data Guard, ASM, SQL Server Always On, MariaDB Replication/Clustering).
• Implement database security, user management, and auditing in line with compliance standards.
• Plan and execute database patching, upgrades, and migrations with minimal downtime.
• Collaborate with application teams to design efficient database schemas and optimize queries.
• Troubleshoot database issues, analyze root causes, and provide timely resolutions.
• Develop and maintain scripts for automation of routine tasks.
• Provide 24x7 support for production systems on a rotational basis.

Required Skills & Qualifications:

• Minimum 5+ years' hands-on experience in Oracle database administration.
• Strong expertise in Oracle RAC, ASM, and Data Guard.
• knowledge of MariaDB/MySQL replication, clustering, and HA/DR configurations is advantage.
• Proficiency in backup and recovery using RMAN, SQL native tools, and mariabackup.
• Expertise in performance tuning, query optimization, and storage engine management (InnoDB, MyISAM).
• Knowledge of database security best practices and auditing.
• Familiarity with UNIX/Linux environments and shell scripting.

To apply, simply click the "Apply" button or send your updated profile to

EA Licence No.:18S9405 / EA Reg. No.:R

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at to stay informed about new opportunities and events.

We're hiring an experienced Database Administrator to drive innovations in database infrastructure for high-availability applications. If you have hands-on experience with open-source databases such as PostgreSQL, MySQL, or MS SQL, and are passionate about performance tuning and cloud architecture (especially Oracle and AWS RDS), we want to hear from you.

• Competitive salary up to $7,500/month + AWS + Bonus
• Exposure to high-impact project using modern databases such as Oracle and Amazon RDS
• Collaborative and supportive team with work-life balance culture

Key Responsibilities:

1. Ensure availability and stability of production databases (including on-call support if needed).
2. Drive database design, schema architecture, and system documentation.
3. Perform SQL tuning, query optimization, and troubleshoot performance bottlenecks.
4. Manage and maintain AWS RDS environments, including backups and patching.
5. Oversee disaster recovery and database restore strategies.
6. Collaborate with engineering teams to enforce best practices in database design and security.

Requirements:

• Min. 3 years' experience as a Database Administrator or Data Engineer
• Proficiency in Oracle or Amazon RDS
• Strong hands-on skills in PL/SQL and performance tuning
• Expertise in monitoring, alerting, and proactive troubleshooting
• Applicants with open-source database experiences (such as PostgreSQL / MySQL / MS SQL) are welcome to apply

Take your database career to the next level with cloud innovation and high-impact systems. Submit your latest resume today By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec's Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:

Contact you about potential opportunities.

Delete personal data as it is not required at this application stage.

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Ng Kee Hung (Vickus) - R

ScienTec Consulting Pte Ltd - 11C5781

We are seeking a skilled and proactive Oracle Database Administrator (DBA) to manage, optimize, and secure our enterprise-grade database infrastructure. The ideal candidate will have strong hands-on experience with Oracle Databases, Oracle Middleware, cloud platforms (OCI/AWS), and DevOps tools including Kubernetes. Experience with Oracle Applications is a key advantage.

The role involves working closely with infrastructure, development, and operations teams to ensure the reliability, scalability, and performance of critical database systems supporting business applications.

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.