Job Description
Job DescriptionCentroid 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
Travel: mostly remote, up to 25%
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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