Senior Oracle Exadata Database Machine Administrator (DMA)

Job Description

Job Description

Senior Oracle Exadata Database Machine Administrator (DMA)
1 yr contract possible right to hire working hybrid in Charlotte, NC for a Senior Oracle Exadata Database Machine Administrator (DMA) to support, maintain, and optimize Oracle Exadata environments in a mission-critical enterprise infrastructure.
The ideal candidate will possess deep expertise in  Oracle Exadata X8 and X8M Database Machines ,  Oracle Zero Data Loss Recovery Appliance (ZDLRA) , and  Exadata Full Stack Patching (FSP) . This role requires advanced troubleshooting skills, strong operational discipline, and the ability to lead complex maintenance and upgrade initiatives while ensuring maximum system availability and performance.

Key Responsibilities

• Administer, maintain, and support Oracle Exadata X8 and X8M Database Machine environments.
• Perform Exadata Full Stack Patching (FSP) for compute nodes, storage servers, InfiniBand/RoCE networking, firmware, operating systems, and Grid Infrastructure.
• Manage Oracle Zero Data Loss Recovery Appliance (ZDLRA), including backup configuration, recovery validation, monitoring, capacity planning, and performance optimization.
• Monitor and optimize Exadata performance using Oracle Enterprise Manager, ExaWatcher, AWR, ASH, and other Oracle diagnostic tools.
• Plan and execute hardware and software upgrades with minimal downtime.
• Configure and maintain Oracle ASM, Grid Infrastructure, Clusterware, and RAC environments.
• Troubleshoot complex hardware, operating system, networking, storage, and database issues across the Exadata stack.
• Collaborate with database administrators, application teams, system administrators, storage engineers, and Oracle Support to resolve critical production issues.
• Develop and maintain operational documentation, standard operating procedures, architecture diagrams, and patching runbooks.
• Implement and maintain high availability, disaster recovery, backup, and recovery strategies.
• Participate in on-call support and scheduled maintenance activities.
• Lead technical initiatives involving Exadata lifecycle management and infrastructure modernization.
• Ensure compliance with organizational security standards and Oracle best practices.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field preferred.
• Minimum of 8–10 years of Oracle database infrastructure administration experience.
• Minimum of 5+ years administering Oracle Exadata environments in enterprise production environments.
• Expert-level experience with:
  • Oracle Exadata X8 Database Machines
  • Oracle Exadata X8M Database Machines
  • Exadata Full Stack Patching (FSP)
  • Oracle Zero Data Loss Recovery Appliance (ZDLRA)
  • Oracle RAC
  • Oracle ASM
  • Oracle Grid Infrastructure
  • Oracle Linux
• Strong knowledge of Exadata architecture, storage cells, Smart Scan, Hybrid Columnar Compression, Flash Cache, IORM, and CellCLI.
• Experience planning and executing rolling maintenance and patching with minimal service interruption.
• Advanced troubleshooting skills across hardware, networking, operating systems, storage, and Oracle database technologies.
• Experience working with Oracle Support and managing Service Requests (SRs).

Preferred Qualifications

• Oracle Certified Professional (OCP) certification.
• Oracle Certified Master (OCM) or Oracle Exadata Implementation Specialist certification is a plus.
• Experience with Oracle Enterprise Manager Cloud Control.
• Familiarity with automation tools such as Ansible, Python, or Shell scripting.
• Experience supporting highly available enterprise production environments.
• Knowledge of disaster recovery architectures and Oracle Maximum Availability Architecture (MAA) best practices.

CRG is a provider of Executive & Professional Search, Direct Hire & Contract Staffing, and Outsource IT Solutions. We have a team of 500 operating out of 7 Offices in the U.S. & Latin America. Established in 1994, we have completed over 3,000 Searches, 10,000 Contract Placements, and 100 Outsource IT Engagements.

Company Description

CRG is a provider of Executive & Professional Search, Direct Hire & Contract Staffing, and Outsource IT Solutions. We have a team of 500 operating out of 7 Offices in the U.S. & Latin America. Established in 1994, we have completed over 3,000 Searches, 10,000 Contract Placements, and 100 Outsource IT Engagements.