Oracle Engineered Systems DBA

Location

Remote ------------------------

Department

Consulting ------------------------------

Type

Full Time -----------------------

Min. Experience

Experienced ------------------------------------

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

* 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