Sr. Oracle EBS DBA - R12.1.3 to Higher Version Upgrade

Position: Sr. Oracle EBS DBA - R12.1.3 to Higher Version Upgrade

Location:- Remote

Type:- Contract

Job Description

Senior Oracle E-Business Suite (EBS) DBA - Upgrade / Migration

Experience: 8-12+ years (recommended)

Project: Oracle EBS R12.1.3 upgrade to R12.2.x

Role Type: Oracle Applications DBA (Apps DBA)

Job Summary

We are seeking an experienced Oracle EBS DBA to lead and support the technical upgrade of Oracle E-Business Suite R12.1.3 to a higher version, preferably R12.2. The candidate will be responsible for upgrade planning, environment preparation, database upgrades, application-tier upgrades, online patching implementation, cloning, performance tuning, and post-upgrade stabilization.

Key Responsibilities

1. Oracle EBS Upgrade and Migration

• Plan and execute Oracle EBS R12.1.3 to R12.2.x upgrade activities.
• Assess the current EBS environment, customizations, integrations, and technology stack.
• Execute upgrade phases using Oracle-recommended upgrade utilities and procedures.
• Perform database upgrades to a version certified for the target EBS release.
• Upgrade application-tier technology components, including Oracle Fusion Middleware and WebLogic, as applicable.
• Coordinate functional, technical, infrastructure, and business teams throughout the upgrade lifecycle.
• Support technical cutover, go-live, rollback planning, and post-upgrade stabilization.

2. Oracle Applications DBA Administration

• Administer Oracle EBS application and database tiers.
• Manage application services, concurrent managers, workflow mailer, listeners, and database services.
• Perform EBS cloning across development, test, UAT, staging, and production environments.
• Maintain context files, AutoConfig configurations, and application-tier configuration.
• Manage application and database patching using AD utilities and supported patching tools.

3. R12.2 Online Patching

• Implement and support the R12.2 online patching architecture.
• Execute adop phases, including prepare, apply, finalize, cutover, and cleanup.
• Understand the dual file system, run edition, patch edition, and edition-based redefinition concepts.
• Troubleshoot online patching failures and resolve synchronization or filesystem issues.
• Support custom objects and code remediation required for online patching.

4. Database Administration

• Perform Oracle database installation, upgrades, patching, backup, and recovery.
• Manage RMAN backups, recovery procedures, tablespaces, datafiles, and database growth.
• Perform database performance tuning using AWR, ADDM, execution plans, and SQL tuning techniques.
• Monitor database availability, space utilization, and resource consumption.
• Support Data Guard or other high-availability solutions where applicable.

5. Technical Stack and Troubleshooting

• Work with Oracle EBS technology stack components, including Forms, Reports, WebLogic, HTTP Server, and Oracle database connectivity.
• Troubleshoot application startup issues, concurrent processing, invalid objects, and patching errors.
• Analyze EBS logs, database alert logs, and application-tier logs.
• Validate integrations, interfaces, workflows, reports, and custom applications after the upgrade.

6. Documentation and Coordination

• Prepare upgrade runbooks, technical design documents, migration plans, and rollback procedures.
• Conduct upgrade rehearsals and downtime estimates.
• Coordinate with Oracle Support through service requests when required.
• Provide knowledge transfer and technical documentation to the operations team.

Required Technical Skills

Oracle EBS R12.1.3

Strong hands-on experience

Oracle EBS R12.2.x

Upgrade and administration experience

Oracle Database

• Strong DBA skills; target version must be EBS-certified
• ADOP / Online Patching
• Essential for R12.2
• ADADMIN, ADPATCH, AutoConfig

Hands-on experience

• RMAN / Backup & Recovery

Strong experience

• EBS Cloning
• Application and database tiers
• SQL / PL/SQL
• Troubleshooting and technical analysis
• WebLogic / Fusion Middleware
• EBS technology-stack administration
• Performance tuning
• AWR, ADDM, SQL tuning
• Unix/Linux shell scripting
• Administration and automation

Preferred Qualifications

• Experience leading at least one complete Oracle EBS R12.1.3 to R12.2 upgrade.
• Experience with custom objects, interfaces, reports, and third-party integrations.
• Familiarity with Oracle EBS upgrade documentation, certification matrices, and Oracle Support notes.
• Experience with cloud infrastructure or OCI migrations is an advantage.
• Strong communication, documentation, and cutover coordination skills.

Key Deliverables

• Current-state assessment and upgrade strategy.
• Target architecture and technology-stack compatibility assessment.
• Development, test, and UAT upgrade completion.
• Successful production cutover and validation.
• Post-upgrade issue resolution and performance stabilization.
• Upgrade documentation, operational runbooks, and knowledge transfer.

Thanks

Sara

Sr. Talent Specialist