Oracle Engineered Systems DBA
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AI Summary
Manage and administer Oracle Exadata Database Machines and engineered systems to ensure high availability and optimal performance. Lead patching cycles, oversee database lifecycle management, and provide infrastructure planning for mission-critical production systems.
Centroid Systems is seeking a highly experienced Oracle Engineered Systems/DBA consultant to support and manage mission-critical database environments built on Oracle Exadata and related engineered systems. This role is responsible for ensuring high availability, optimal performance, and operational compliance across large-scale enterprise platforms.
Job Type: Full-Time Employee
Location: 100% Remote
Key Responsibilities
Required Qualifications
Preferred Qualifications
Job Type: Full-Time Employee
Location: 100% Remote
Key Responsibilities
- Manage and administer Oracle Exadata Database Machines and engineered systems infrastructure
- Lead quarterly Exadata patch cycles (RU/RUR) across Database, Grid Infrastructure, OS, and firmware layers
- Execute rolling and non-rolling patching strategies to minimize downtime and ensure continuous system availability
- Maintain adherence to enterprise patch compliance standards, ensuring alignment with Oracle best practices and internal security policies
- Support audit readiness and regulatory compliance through documentation of patch levels, remediation activities, and change control
- Oversee database lifecycle management, including consolidation, upgrades, and platform modernization initiatives
- Implement and support high availability architectures using Oracle RAC, ASM, and Active Data Guard
- Optimize system performance leveraging Exadata capabilities such as Smart Scan and Hybrid Columnar Compression
- Perform advanced SQL tuning and troubleshooting across database and infrastructure layers
- Utilize Oracle Enterprise Manager (OEM) for monitoring, patch orchestration, and operational management
- Provide infrastructure planning, capacity management, and scalability support for enterprise environments
- Participate in on-call support for mission-critical production systems
Required Qualifications
- 5+ years of experience as an Oracle Database Administrator
- Strong expertise with Oracle Exadata and Engineered Systems
- Deep knowledge of Oracle Database 19c / 23ai
- Hands-on experience with RAC, ASM, and Data Guard
- Strong skills in Unix/Linux administration and scripting (Shell or Python)
- Solid understanding of storage, networking, and system architecture
Preferred Qualifications
- Oracle certifications (Oracle Database, Exadata Specialist)
- Familiarity with Enterprise Manager for Engineered Systems
- Experience in compliance-driven or regulated environments
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