Oracle EBS DBA (Freelance | Remote | Hourly)
Kosar Infotech
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!
Posted 9 Mar 2026 · Listing from OnJob.io. Create a free profile to apply and see your AI match score.
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