Oracle Engineered Systems DBA

Centroid Systems, Inc.

Job Description

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
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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Vacancy posted 29 days ago

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