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

NavaTech LLCUnited States🇺🇸United StatesPosted Oct 8, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
United States
Posted
3 days ago
OraclePL/SQLSQLShellHTTP

Job Description

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

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