190 Dba jobs in Singapore

Key responsibilities:

• Manage, maintain, and optimise Oracle database environments

• Implement and manage Oracle RAC environments

• Perform database installations, upgrades, and patches

• Implement and manage backup and recovery strategies

• Monitor database performance and tune for optimal efficiency

• Ensure high availability and disaster recovery readiness

• Automate common database maintenance tasks

• Collaborate with development teams to ensure efficient database design

• Implement and maintain database security measures

• Ensure compliance with data protection regulations

• Conduct regular security audits and implement best practices

Qualifications:

• Bachelor’s degree in computer science, Information Technology, or related field

• Minimum 5 years of experience as an Oracle DBA

• Oracle Certified Professional (OCP) certification

• Proven experience implementing and managing Oracle RAC

• Proficiency in scripting languages (e.g., Shell, Python, Perl) for automation

Preferred Skills:

o Oracle Certified Master (OCM) certification

o Knowledge of DevOps practices and tools

o Familiarity with database compliance standards (e.g., PCI DSS, HIPAA)

o Experience with other database technologies (e.g., MySQL, PostgreSQL)

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Select how often (in days) to receive an alert:

• Develop and update all necessary DB documentation (including checklist, operations manual and relevant changes to configuration settings) and DR setup
• Report monthly on database size and DB Uptime and Performance
• Generate ad-hoc non-standard reports for incident/problem investigations, DB capacity planning or audit purposes
• Create new DB creations, database network configuration, determine/adhere to guidelines for database structures and file layout, review and enhance scripts and procedures, proper management of transaction and redo/archive logs
• Assist in database purging and collaborate with Solutions Team to define the purging policy for each individual system, database re-indexing and database tuning, if required
• Review daily on log irregularities and follow-up actions
• Monitor the performance to discover and detect from on-start, the possible system anomalies which may impact business operations. This shall include system resource usage, Basic CPU utilization, Disk I/O, Basic network I/O, memory utilization of database buffers, shared pool, memory cache, inefficient SQL, long running queries, in-doubt transactions, temporary table space usage, job query analysis, lock and latch analysis, alert log errors, availability of required start-up services/components for low disk space/archive logs, blocking locks, core dump, interfaces and batch-jobs
• Monitor backups, recovery and replication for successful completion
• Data Management
• Monitor object fragmentation, invalid objects and extent of failure detection
• Perform Disaster Recovery (DR) for all the critical systems and ensure successful rebuilt of Production or DR servers, if necessary
• Incident detection and confirmation of production database systems shall include timely escalation to the Managed Helpdesk, and performing the DBA onsite services on physical database facilities, to rectify the incidents with root cause analysis in order to ensure permanent resolution
• Verify and validate databases backup, recovery and replication status
• Review, improve and document the database administration and operational guide on new or revised processes and procedures regularly
• Work with customers/clients, service desk and third-party solutions vendor to resolve on the disrupted service and rectify the database integrity for the users promptly, to minimize business impact. This shall include applications that are undergoing upgrades.
• Assist the Operations and Project Lead on the issues related to database in daily operations or new projects implementation
• Any other ad-hoc duties as required or assigned

Job Requirements:

• Diploma / Degree in Information Technology, Computer Science or equivalent
• 7 - 10 years of experience in Oracle DBA or Microsoft SQL server
• Possess hands-on technical exprience for L1 - L3 support

Select how often (in days) to receive an alert:

• Develop and update all necessary DB documentation (including checklist, operations manual, and relevant changes to configuration settings) and DR setup.
• Report monthly on database size and DB uptime and performance.
• Generate ad-hoc non-standard reports for incident/problem investigations, DB capacity planning, or audit purposes.
• Create new DB creations, database network configuration, determine/adhere to guidelines for database structures and file layout, review and enhance scripts and procedures, and manage transaction and redo/archive logs properly.
• Assist in database purging and collaborate with Solutions Team to define the purging policy for each individual system, database re-indexing, and database tuning, if required.
• Review daily log irregularities and follow-up actions.
• Monitor performance to discover and detect possible system anomalies that may impact business operations, including system resource usage, basic CPU utilization, Disk I/O, basic network I/O, memory utilization of database buffers, shared pool, memory cache, inefficient SQL, long-running queries, in-doubt transactions, temporary table space usage, job query analysis, lock and latch analysis, alert log errors, availability of required start-up services/components for low disk space/archive logs, blocking locks, core dump, interfaces, and batch-jobs.
• Monitor backups, recovery, and replication for successful completion.
• Data management.
• Monitor object fragmentation, invalid objects, and extent of failure detection.
• Perform Disaster Recovery (DR) for all critical systems and ensure successful rebuild of Production or DR servers if necessary.
• Incident detection and confirmation of production database systems, including timely escalation to the Managed Helpdesk and performing onsite DBA services to rectify incidents with root cause analysis for permanent resolution.
• Verify and validate databases backup, recovery, and replication status.
• Review, improve, and document the database administration and operational guide on new or revised processes and procedures regularly.
• Work with customers/clients, service desk, and third-party solutions vendors to resolve disrupted services and rectify database integrity for users promptly to minimize business impact, including applications undergoing upgrades.
• Assist the Operations and Project Lead on issues related to the database in daily operations or new project implementation.
• Any other ad-hoc duties as required or assigned.

• Diploma/Degree in Information Technology, Computer Science, or equivalent.
• 7 - 10 years of experience in Oracle DBA or Microsoft SQL Server.
• Possess hands-on technical experience for L1 - L3 support.

• Install, configure, and upgrade Oracle database software (single instance and RAC environments).
• Plan and execute patch management, including security and version upgrades.
• Design and implement high-availability and disaster recovery strategies (e.g., Oracle Data Guard, RMAN).
• Manage Oracle ASM, storage configurations, and interaction with SAN/NAS teams.

• Monitor database health and performance using Oracle Enterprise Manager (OEM) and infrastructure tools (e.g., Nagios, Dynatrace).
• Perform proactive capacity planning and tuning of database servers (memory, CPU, I/O).
• Manage tablespaces, redo logs, undo segments, indexes, partitions, and backups.

• Implement and manage database backup strategies using RMAN and third-party backup tools (e.g., NetBackup, Commvault).
• Conduct regular DR drills and support recovery activities during outages or planned exercises.

• Implement database security policies (user roles, auditing, encryption, patch compliance).
• Collaborate with InfoSec teams for vulnerability scans and remediation.
• Ensure compliance with data protection, GDPR, and regulatory standards.

• Develop shell/Perl/Python scripts for database monitoring, maintenance, and reporting.
• Automate routine tasks and improve operational efficiency.

• Work with infrastructure, storage, network, and application teams for cross-functional support.
• Maintain database documentation, runbooks, change logs, and compliance audit records.

• 5+ years as an Oracle DBA in enterprise-scale infrastructure.
• Expertise in Oracle versions 12c, 19c
• Strong knowledge of Oracle RAC, ASM, Data Guard, and Grid Infrastructure.
• Experience in Linux/Unix environments and shell scripting.
• Familiarity with ITIL processes for incident, problem, and change management.
• Exposure to cloud-based Oracle environments (OCI, AWS RDS, or Azure DB).
• Strong troubleshooting skills and ability to resolve performance and outage issues.

• Oracle Certified Professional (OCP)
• Oracle Certified Expert (OCE) in RAC or Data Guard
• ITIL Foundation

• Excellent communication and documentation skills.
• Ability to work independently and under pressure.
• Strong problem-solving and root cause analysis abilities.

• Create and Administer an Oracle Database, Pluggable Databases
• Configure and Administer Oracle Net Services
• Create and Manage Database Storage
• Handle Database migration
• Manage Automated Maintenance Tasks
• Monitor and Tune Database Performance
• Manage Oracle Database instances, including initialization parameters, and learn to start and stop databases as per operational requirements
• Enforce database security by managing users, roles, privileges, and audit policies to protect data integrity and comply with security standards.
• Configure Oracle Net Services to facilitate communication with Oracle instances

• Bachelor's degree in Computer Science/Information Technology/Engineering
• 2-4 years of experience in Oracle Cloud and Oracle Database administration.
• Understanding of Oracle database architecture and administration.
• Familiarity with Oracle RAC and multitenant architecture.
• Oracle backup and recovery concepts using RMAN, datapump, and export/import.
• Knowledge of Oracle Cloud (OCI), Exadata, and Exadata (ExaCC).
• Good problem-solving skills and ability to work in a team environment.
• Good communication skills and a proactive learning attitude.
• Good in troubleshooting, diagnostics, and analytical tasks.
• Communication and coordination abilities are required, along with initiative and a sense of ownership.

• Exposire to various Unix operating systems and shell scripting.
• Exposure to scripting languages such as Ansible and Python

Working Hours: Monday - Friday (10am – 7pm) (Hybrid Working Arrangement)

Working Location: Central

Salary Package: Up to $6,00 (with VB and AWS)

We are seeking a highly skilled and experienced Database Administrator. The ideal candidate will be responsible for managing, maintaining, and optimizing our Oracle database systems to ensure high availability, performance, and security.

Key Responsibilities:

• Install, configure, upgrade, and maintain Oracle database software and related components.
• Administer and support production databases with 24/7 availability and monitoring.
• Design and assess Oracle database schemas.
• Ensure compliance with internal and external data protection standards.
• Collaborate with development and infrastructure teams to design scalable database solutions.
• Develop and maintain schemas, tables, indexes, views, and stored procedures.
• Provide database support for new project implementations.
• Write scripts to automate routine tasks and improve operational efficiency.
• Deploy monitoring tools and automation for proactive database management.

Qualifications:

• Bachelor's degree in computer science, Information Technology, Software Engineering, Database Administration, or a related field.
• Minimum of 3 years of experience as an Oracle DBA
• Experience with database performance tuning, optimization, and troubleshooting.

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.

Elane Yap Theng Yu- R

ScienTec Consulting Pte Ltd - 11C5781

Cloud DBA

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

We are currently looking to hire a Cloud DBA. This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

JOB TYPE:

Long Term Contract

Job Overview:

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.

Key Responsibilities

- 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.

Relevant Experience:

- 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 - other Database products like DB2, MariaDB and MySQL.

To submit your details, please apply online or send your updated CV at

CONSULTANT DETAILS

Consultant Name: Khalid Farooq

Avensys Consulting Pte Ltd

EA Licence 12C5759

Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' personal information and privacy policy

Responsibilities

• Create and Administer an Oracle Database, Pluggable Databases
• Configure and Administer Oracle Net Services
• Create and Manage Database Storage
• Handle Database migration
• Manage Automated Maintenance Tasks
• Monitor and Tune Database Performance
• Manage Oracle Database instances, including initialization parameters, and learn to start and stop databases as per operational requirements
• Enforce database security by managing users, roles, privileges, and audit policies to protect data integrity and comply with security standards.
• Configure Oracle Net Services to facilitate communication with Oracle instances

Skills Requirement

• Bachelor's degree in Computer Science/Information Technology/Engineering
• 2-4 years of experience in Oracle Cloud and Oracle Database administration.
• Understanding of Oracle database architecture and administration.
• Familiarity with Oracle RAC and multitenant architecture.
• Oracle backup and recovery concepts using RMAN, datapump, and export/import.
• Knowledge of Oracle Cloud (OCI), Exadata, and Exadata (ExaCC).
• Good problem-solving skills and ability to work in a team environment.
• Good communication skills and a proactive learning attitude.
• Good in troubleshooting, diagnostics, and analytical tasks.
• Communication and coordination abilities are required, along with initiative and a sense of ownership.

Good to Have

• Exposire to various Unix operating systems and shell scripting.
• Exposure to scripting languages such as Ansible and Python

1. Junior database experience resource with min 1 year of experience in any database(Oracle, SQL)
2. Will need to raise and work on Change Request (CR)
3. Knowledge of xls and linux commands are added advantage.
4. Fresh Graduate with Internship experince in Any database and linux command Knowledge.

EA License # 14C6941