The Sr. Oracle DBA & System Administrator is responsible for the design, implementation, administration and ongoing optimization of Oracle E-Business Suite R12 databases running on Oracle Exadata hardware. As a Sr. Oracle DBA & System Administrator, you will ensure availability, performance, backup/recovery and secure operations of the EBS database and related infrastructure; provide technical leadership; lead and develop automation efforts for database provisioning, patching, monitoring and deployment; and transfer knowledge to the broader team.
What You Will Do:
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Administer and support Oracle E-Business Suite R12 databases and related components on Oracle Exadata hardware
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Install, configure, patch and upgrade Oracle databases, Grid Infrastructure, ASM and related components necessary for EBS R12
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Implement and maintain end-to-end monitoring using Oracle Enterprise Manager (OEM)
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Design, document and operate robust backup and restore procedures (RMAN, Data Guard where applicable), and validate recovery procedures with regular restore tests
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Create, document and execute cloning procedures for Dev/Test/QA/DR environments (Rapid Clone, AD utilities, RMAN-based clones)
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Concurrent Manager tuning, parallel execution settings, resource allocation and scheduling
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EBS environment
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Perform performance monitoring
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Perform root cause analysis and implement preventative measures
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Create runbooks, standard operating procedures, train and mentor other DBAs and system administrators
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Participate in an on-call rotation for after-hours support as required
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Travel to data centers or other company locations for deployments, DR testing or hardware upgrades as needed
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Lead architecture and design reviews for new EBS/Exadata projects, upgrades or migrations
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Collaborate with Security and Compliance on audits (PCI, SOX)
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Evaluate new Exadata features Oracle releases and third-party tools
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Develop and maintain capacity-planning models, cost analyses and lifecycle roadmaps for database infrastructure
What You Need to Succeed:
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Minimum 10+ years’ hands-on experience as an Oracle DBA & System Administrator supporting Oracle E-Business Suite R12.
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Proven experience with Oracle Exadata hardware (installation, configuration, tuning, patching and troubleshooting).
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Strong experience with Oracle Enterprise Manager (OEM) for monitoring and administration.
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Solid expertise with RMAN backups, recovery scenarios, disaster recovery concepts; experience with Data Guard is a plus.
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Experience designing and executing cloning procedures for EBS environments (Rapid Clone, AD utilities, RMAN, hot/cold clones).
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Experience configuring and tuning databases and application tiers for parallel concurrent processing and Concurrent Manager optimization.
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Experience implementing and supporting model routing in EBS and configuring additional application servers to support routing and workload distribution.
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Strong knowledge of ASM, Grid Infrastructure, Oracle RAC, Linux for Oracle, and storage/networking concepts as they relate to Exadata.
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Proficiency in SQL, PL/SQL and shell scripting (bash); experience with automation/orchestration tools (Ansible, Puppet, Chef, etc.) and CI/CD is a plus.
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Excellent written and verbal communication skills; experience creating technical documentation and conducting knowledge transfer.
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Oracle certifications (OCA/OCP/OCE) are preferred.
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Must be able to participate in an on-call rotation and travel to data centers or other sites as required.
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Hands-on experience with automation/orchestration tools beyond basic scripting
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Familiarity with cloud or hybrid Exadata-Cloud architectures (OCI, AWS RDS, Azure)
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Proficiency in a general-purpose scripting language (Python, Perl) for complex automation tasks
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Understanding of database security standards and best practices (encryption-at-rest, key management)
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Strong collaboration and stakeholder-management skills
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Oracle Exadata Database Machine Administrator or Oracle Cloud Infrastructure certifications (preferred)
