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Oracle Engineered Systems DBA

Role overview

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

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

About the company

Centroid Systems logo

Centroid Systems

For over 25 years, Centroid has provided comprehensive transformation services that span the entire enterprise. These services include digital transformation, consulting, and managed services across various cloud platforms that have helped our clients modernize, transform, and grow their businesses to the next level. As an Oracle CSP/MSP and Oracle's North American Partner of the Year for Engineered Systems, Oracle Technology, and Infrastructure-as-a-Service over the last 5+ years, our team has the expertise and commitment to ensure successful transformation journeys for our customers. At Centroid, we have the capabilities and experience to help our clients move their applications and technology to the cloud, modernize their existing workloads, or outsource the run and maintenance of their enterprise. We are committed to using our collaborative, client-focused approach, and best-of-breed delivery methods to provide measurable business value and sustainable ROI to our clients. Our relentless pursuit of providing the best solutions is a testament and clear advantage to our success and yours, which is why our first customer is still with us today. Improve, expand, and modernize your business by leveraging our expertise, methods, tools, and processes that are time-tested across numerous customer implementations and diverse industries and geographies. Our dedicated team will work with you every step of the way to ensure your success.

Company details

Company typeSME
Company size51 - 200

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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

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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Marcus Rivera

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