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Oracle DBA
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Role Title: Oracle DBA
Start Date: 29th July 2026
End Date: 30th November 2026
Rate: up to £375 per day umbrella (inside IR35)
Location: Sheffield 3 days in the office
Role Summary
We are seeking an experienced Oracle Database Administrator (DBA) to manage, maintain, and optimize mission-critical Oracle database environments. The ideal candidate will possess strong expertise in Oracle RAC (Real Application Clusters), Oracle Data Guard, Performance Tuning & Optimization, and RMAN (Backup & Recovery), ensuring high availability, disaster recovery readiness, optimal performance, and operational excellence across enterprise database platforms.
The successful candidate will be responsible for the installation, configuration, administration, monitoring, troubleshooting, and support of Oracle databases while maintaining security, reliability, and business continuity. Experience with Oracle GoldenGate and HashiCorp Vault is highly desirable and will be considered an advantage.
Key Responsibilities
- Administer, maintain, and support Oracle database environments in production, testing, and development landscapes.
- Design, implement, and manage Oracle RAC configurations to ensure high availability, scalability, and failover capabilities.
- Configure, monitor, and support Oracle Data Guard environments, including physical and logical standby databases, switchover, and failover activities.
- Perform proactive database monitoring and troubleshooting to maintain system health, availability, and performance.
- Lead database performance tuning initiatives by analyzing SQL execution plans, optimizing queries, and identifying system bottlenecks.
- Monitor database resource utilization and recommend improvements to enhance performance and efficiency.
- Develop and execute backup and recovery strategies using Oracle RMAN, ensuring successful database restoration and disaster recovery preparedness.
- Conduct backup validation, recovery testing, and regular disaster recovery exercises.
- Manage database patching, upgrades, migrations, and lifecycle management activities with minimal business disruption.
- Implement and maintain database security standards, user access controls, and compliance requirements.
- Collaborate with infrastructure, application, and support teams to ensure seamless database operations and issue resolution.
- Create and maintain technical documentation, operational procedures, and best practice guidelines.
- Provide on-call support and participate in incident management and root cause analysis activities when required.
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Mandatory Skills & Experience
- Strong hands-on experience as an Oracle Database Administrator in enterprise environments.
- Extensive expertise in Oracle RAC (Real Application Clusters) administration, configuration, and troubleshooting.
- Proven experience with Oracle Data Guard setup, monitoring, maintenance, switchover, and failover operations.
- Strong knowledge of Oracle Performance Tuning & Optimization, including SQL tuning, AWR, ASH, ADDM, and execution plan analysis.
- Advanced experience with RMAN Backup & Recovery, including backup strategy design, restoration, recovery testing, and disaster recovery planning.
- Strong troubleshooting and problem-solving skills within complex Oracle database infrastructures.
- Experience working in high-availability and mission-critical database environments.
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Good to Have
- Experience with Oracle GoldenGate for real-time data replication, synchronization, and migration projects.
- Knowledge of HashiCorp Vault for secrets management, database credential management, and security integration.
- Exposure to database automation, scripting, and infrastructure management tools.
- Experience supporting large-scale enterprise database platforms.
Preferred Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field.
- Oracle certifications such as Oracle Certified Professional (OCP) or Oracle Certified Master (OCM) are desirable.
- Excellent communication and stakeholder management skills.
- Ability to work independently and collaboratively within cross-functional teams
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