Oracle EBS DBA (Freelance | Remote | Hourly)

Job Title: Oracle EBS DBA (Freelance | Remote | Hourly) Location: Remote / Work From Home Work Mode: Flexible hours – Part-time or Full-time (based on availability) Engagement Type: Freelance / Hourly-Based Contract Experience Required: 10+ Years Role Overview: We are seeking a highly experienced and self-driven Oracle EBS DBA to support mission-critical Oracle E-Business Suite environments. This freelance opportunity is perfect for professionals who prefer flexible, remote work while delivering expert-level Oracle DBA and EBS administration support, with a strong focus on robust disaster recovery strategies to ensure business continuity. Key Responsibilities: • Install, configure, upgrade, and maintain Oracle E-Business Suite (R12/R12.2.x). • Manage Oracle databases (11g, 12c, 19c) including RAC, ASM, Data Guard, and RMAN. • Perform EBS cloning, patching (AD/TXK, CPU, PSU), and concurrent manager tuning. • Lead and strengthen disaster recovery (DR) setup and operations: Design, implement, and maintain comprehensive DR architectures using Oracle Data Guard (physical standby databases) for synchronous/asynchronous replication, near-zero data loss (RPO), and fast failover (low RTO); configure and test switchover/failover processes; integrate with RMAN backups for full restore capabilities; ensure multi-region or multi-site DR readiness (including OCI Full Stack DR where applicable); perform regular DR drills, snapshot standby conversions, and application tier synchronization for seamless recovery in outages or disasters. • Support performance tuning and troubleshooting of application and database layers. • Monitor system health, plan capacity, and ensure high availability. • Work closely with application teams for issue resolution and optimization. • Maintain security, compliance, and backup strategies. • Document activities and provide proactive suggestions for system improvements, particularly around DR enhancements and risk mitigation. Must-Have Skills: • 10+ years of Oracle DBA experience with 5+ years on Oracle E-Business Suite (R12.x). • Strong expertise in: • Oracle RAC, ASM, RMAN • Data Guard (including Active Data Guard) for disaster recovery — setup, configuration, monitoring, switchover/failover, and integration with EBS environments • Database cloning and EBS patching/troubleshooting • Proficient in Shell scripting and Unix/Linux administration. • Hands-on experience with concurrent processing and WebLogic within EBS. • In-depth knowledge of backup/restore, disaster recovery planning, and high-availability strategies for mission-critical Oracle EBS systems. • Strong communication skills and the ability to work independently. Nice-to-Have Skills: • Oracle Cloud (OCI) exposure, including Full Stack Disaster Recovery (FSDR) automation for EBS • Oracle Apps DBA Certification or OCP • Automation tools (e.g., Ansible, Jenkins, Git) • SSL/TLS, Load Balancing, OEM 13c • EBS Customizations & Integration knowledge Why Join Us? • Flexible working hours and location • Freedom to choose your workload (project-based or hourly) • Long-term engagement opportunity based on performance • Chance to work on a diverse and challenging set of projects, including critical DR implementations for enterprise-scale EBS environments If you're a seasoned Oracle EBS DBA with proven expertise in building and maintaining strong disaster recovery setups — looking to work remotely with flexibility and independence — we'd love to hear from you!