Sr. Oracle DBA and System Administrator - (Oracle E Business Suite R12 on Exadata)

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:

• Administer and support Oracle E-Business Suite R12 databases and related components on Oracle Exadata hardware
• Install, configure, patch and upgrade Oracle databases, Grid Infrastructure, ASM and related components necessary for EBS R12
• Implement and maintain end-to-end monitoring using Oracle Enterprise Manager (OEM)
• Design, document and operate robust backup and restore procedures (RMAN, Data Guard where applicable), and validate recovery procedures with regular restore tests
• Create, document and execute cloning procedures for Dev/Test/QA/DR environments (Rapid Clone, AD utilities, RMAN-based clones)
• Concurrent Manager tuning, parallel execution settings, resource allocation and scheduling
• EBS environment
• Perform performance monitoring
• Perform root cause analysis and implement preventative measures
• Create runbooks, standard operating procedures, train and mentor other DBAs and system administrators
• Participate in an on-call rotation for after-hours support as required
• Travel to data centers or other company locations for deployments, DR testing or hardware upgrades as needed
• Lead architecture and design reviews for new EBS/Exadata projects, upgrades or migrations
• Collaborate with Security and Compliance on audits (PCI, SOX)
• Evaluate new Exadata features Oracle releases and third-party tools
• Develop and maintain capacity-planning models, cost analyses and lifecycle roadmaps for database infrastructure

What You Need to Succeed:

• Minimum 10+ years hands-on experience as an Oracle DBA & System Administrator supporting Oracle E-Business Suite R12.
• Proven experience with Oracle Exadata hardware (installation, configuration, tuning, patching and troubleshooting).
• Strong experience with Oracle Enterprise Manager (OEM) for monitoring and administration.
• Solid expertise with RMAN backups, recovery scenarios, disaster recovery concepts; experience with Data Guard is a plus.
• Experience designing and executing cloning procedures for EBS environments (Rapid Clone, AD utilities, RMAN, hot/cold clones).
• Experience configuring and tuning databases and application tiers for parallel concurrent processing and Concurrent Manager optimization.
• Experience implementing and supporting model routing in EBS and configuring additional application servers to support routing and workload distribution.
• Strong knowledge of ASM, Grid Infrastructure, Oracle RAC, Linux for Oracle, and storage/networking concepts as they relate to Exadata.
• Proficiency in SQL, PL/SQL and shell scripting (bash); experience with automation/orchestration tools (Ansible, Puppet, Chef, etc.) and CI/CD is a plus.
• Excellent written and verbal communication skills; experience creating technical documentation and conducting knowledge transfer.
• Oracle certifications (OCA/OCP/OCE) are preferred.
• Must be able to participate in an on-call rotation and travel to data centers or other sites as required.
• Hands-on experience with automation/orchestration tools beyond basic scripting
• Familiarity with cloud or hybrid Exadata-Cloud architectures (OCI, AWS RDS, Azure)
• Proficiency in a general-purpose scripting language (Python, Perl) for complex automation tasks
• Understanding of database security standards and best practices (encryption-at-rest, key management)
• Strong collaboration and stakeholder-management skills
• Oracle Exadata Database Machine Administrator or Oracle Cloud Infrastructure certifications (preferred).

-Requerimientos-

• Educación mínima: Educación superior - Licenciatura
• 10 años de experiencia
• Idiomas: Inglés
• Conocimientos: Microsoft project, Oracle
• Disponibilidad de viajar: Si
• Palabras clave: senior, sr, sistema, administrador, administrator, negocio, business