Oracle DBA – Infrastructure

TOSS-EX PR PTE. LTD.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

Une entreprise recherche un(e) administrateur(trice) de base de données Oracle proactif(ve) pour gérer l'installation et l'entretien de bases de données critiques. Le candidat idéal doit posséder une expertise de plus de 5 ans dans des environnements d'infrastructure évolutifs avec une connaissance approfondie d'Oracle RAC et Data Guard. Ce rôle nécessite également des compétences en automatisation et en scripting, ainsi qu'une capacité à résoudre des problèmes complexes rapidement.

Qualifications

• Minimum de 5 ans d'expérience en tant qu'administrateur Oracle DBA.
• Expertise dans les environnements d'infrastructure à grande échelle.
• Connaissance approfondie des versions Oracle 12c et 19c.

Responsibilities

• Gestion de l'infrastructure de base de données, y compris l'installation et la configuration.
• Surveillance des performances des bases de données et optimisation.
• Mise en œuvre de stratégies de sauvegarde et de récupération.

Skills

Oracle DB Administration

Linux/Unix Scripting

Database Security

Troubleshooting

Automation

Job description

Job Summary:

We are looking for a skilled and proactive Oracle Database Administrator (DBA) with a strong infrastructure background. The candidate will be responsible for the installation, configuration, administration, and maintenance of Oracle databases in mission-critical environments. This role ensures high availability, scalability, security, and performance of Oracle database systems that support enterprise applications.

Key Responsibilities:

1. Database Infrastructure Management:

• 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.

2. Operational Support & Maintenance:

• 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.

3. Backup and Recovery:

• 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.

4. Security & Compliance:

• 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.

5. Automation & Scripting:

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

6. Collaboration & Documentation:

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

Required Skills & Experience:

• 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.

Preferred Certifications:

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

Soft Skills:

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