Senior Oracle DBA – System Administrator

This is a fully remote position, open to applicants in Mexico.

📋 Description

• Manage and provide support for Oracle E-Business Suite R12 databases and associated components on Oracle Exadata hardware.

• Install, configure, patch, and upgrade Oracle databases, Grid Infrastructure, ASM, and related components.

• Implement and sustain Oracle Enterprise Manager monitoring, alerts, metrics, reports, and dashboards.

• Design, document, and execute backup, restore, and disaster-recovery procedures utilizing RMAN and Data Guard where applicable.

• Develop, document, execute, and automate cloning processes for Dev/Test/QA/DR environments.

• Configure and optimize database and application tiers for high-volume parallel concurrent processing.

• Set up and support model routing, additional application servers, and concurrent-processing workload distribution.

• Conduct performance monitoring, capacity planning, SQL tuning, instance-parameter tuning, and resource management.

• Troubleshoot production incidents, conduct root-cause analyses, and implement preventive measures.

• Maintain security for databases and Exadata, including access controls, patching cycles, and compliance.

• Provide technical leadership, develop runbooks and standard operating procedures, and train and mentor DBAs and system administrators.

• Collaborate with applications, network, storage, middleware, security, and compliance teams on deployments, upgrades, DR tests, audits, and major incidents.

• Participate in an after-hours on-call rotation.

• Lead database lifecycle automation, architecture, and design reviews for EBS/Exadata projects, upgrades, and migrations.

• Assess Exadata features, Oracle releases, and third-party tools, offering recommendations to leadership.

• Develop capacity-planning models, cost analyses, lifecycle roadmaps, playbooks, and knowledge-base articles.

• Engage in post-incident reviews and continuous improvement activities.

• Travel to data centers or other company locations as required.

⛳️ Requirements

• At least 10 years of hands-on experience as an Oracle DBA and System Administrator supporting Oracle E-Business Suite R12.

• Demonstrated experience with Oracle Exadata hardware, including installation, configuration, tuning, patching, and troubleshooting.

• Strong proficiency with Oracle Enterprise Manager (OEM).

• Expertise in RMAN backups, recovery scenarios, and disaster-recovery concepts.

• Experience with Data Guard is advantageous.

• Experience in designing and executing EBS cloning procedures using Rapid Clone, AD utilities, RMAN, and hot/cold clones.

• Experience configuring and tuning database and application tiers for parallel concurrent processing and optimizing Concurrent Manager.

• Experience implementing and supporting model routing in EBS and configuring additional application servers.

• Solid understanding of ASM, Grid Infrastructure, Oracle RAC, Linux for Oracle, and storage/networking concepts related to Exadata.

• Proficiency in SQL, PL/SQL, and Bash shell scripting.

• Practical experience with automation/orchestration tools beyond basic scripting.

• Familiarity with Ansible, Puppet, Chef, or similar tools; CI/CD experience is a plus.

• Familiarity with cloud or hybrid Exadata-Cloud architectures, including OCI, AWS RDS, or Azure.

• Proficiency in Python or Perl for complex automation tasks.

• Understanding of database security standards and best practices, including encryption-at-rest and key management.

• Strong troubleshooting, analytical, and problem-solving capabilities.

• Excellent written and verbal communication skills.

• Experience in creating technical documentation and facilitating knowledge transfer.

• Strong collaboration and stakeholder management skills.

• Willingness to participate in an on-call rotation and travel to data centers or other locations as necessary.

• Oracle certifications are preferred.

• A Bachelor’s degree in computer science, Information Systems, or a related field is preferred; equivalent relevant experience will be considered.

• Oracle Exadata Database Machine Administrator or Oracle Cloud Infrastructure certifications are preferred.

• Commitment to continuous learning and staying up-to-date with Oracle technology roadmaps, best practices, and emerging trends.

🏝️ Benefits

• Remote work location in Mexico.

• Compensation for on-call rotation implied by after-hours support requirements.

• Opportunities for professional knowledge transfer, training, and mentoring.

• Travel support for data center or company location deployments, DR testing, or hardware upgrades as necessary.

• An inclusive and diverse workplace.

• Disability accommodations and assistance with applications.