Oracle EBS DBA

Interview Process: Video interview then possibly an in person interview

Key Responsibilities:

• Develop a comprehensive upgrade plan for Oracle EBS from 12.1 to the latest subversion of 12.2 including risk assessment and rollback strategies.
• Perform technical analysis impact assessment and design pre-upgrade validation to ensure a smooth transition.
• Determine impact to basis2 customer information/water billing system and factor into upgrade plan.
• Plan installation and configuration of Oracle EBS 12.2 including WebLogic Fusion Middleware and Online Patching (ADOP).
• Define optimization of the Oracle Database (if required) in alignment with EBS 12.2 compatibility.
• In collaboration with the Basis2 custom modules vendor define code customizations and retrofitting as needed to ensure compatibility with 12.2.
• Design cloning backup and recovery processes to safeguard data during the upgrade.
• Create plan for troubleshooting and resolving performance patching and configuration issues post-upgrade.
• Work closely with functional consultants developers and business users to develop a comprehensive plan that ensures minimal disruption to business operations. The plan to include detailed technical choices (source constraints target Database target Operating System) and a feasibility assessment thereof.
• Conduct training and documentation for internal teams on new features and best practices.

Work activities and Essential Functions:

1. Pre-Upgrade Planning & Assessment

a. Conduct a system assessment to analyze the existing EBS 12.1 architecture including database application tier and customizations.

b. Evaluate system compatibility with EBS 12.2 including database versions third-party software (including basis2 water billing system) and hardware.

c. Perform a custom code impact analysis of basis2.

d. Identify deprecated features unsupported objects and necessary modifications.

e. Develop an upgrade strategy including timelines rollback plans and resource requirements.

2. Environment Preparation & Cloning

a. Define test environments (development test and UAT) required for the upgrade process.

b. Create plan for cloning of the production EBS 12.1 environment to create a sandbox for dry runs.

c. Create plan for upgrading the database to a certified version (e.g. Oracle Database 19c) as per EBS 12.2 requirements.

d. Define required patches to prepare for the upgrade.

e. Define a test plan to prepare for the upgrade.

3. Plan the components of executing the Upgrade Process

a. Follow Oracles 12.2 upgrade roadmap including:

b. Running Rapid Install for 12.2

c. Applying Release Update Pack (RUP) patches

d. Enabling Online Patching (ADOP framework)

e. Execute data migration scripts and update metadata as required.

f. Verify integrity of concurrent manager processes workflow mailers and business-critical integrations.

g. Work with developers to define how to retrofit and remediate customizations impacted by the new architecture.

4. Plan Post-Upgrade Validation & Optimization to include but not limited to:

a. Conduct thorough functional and performance testing to ensure system stability.

b. Optimize database and application performance including SQL tuning indexing and JVM tuning.

c. Validate patching functionality using Oracles AD Online Patching (ADOP) feature.

d. Perform cutover planning and execution for the final upgrade to production.

e. Provide end-user support documentation and knowledge transfer to stakeholders.

Skills/experience of the assigned staff:

Required Skills & Experience:

Technical Skills:

7 years of hands-on experience as an Oracle EBS DBA with expertise in versions 12.1 and 12.2 on the WINDOWS Server Operating System

Strong knowledge of Oracle Database (11g 12c 19c) including RMAN Data Guard and performance tuning.

Experience with Oracle EBS 12.2 upgrade processes including ADOP (Online Patching) WebLogic and Fusion Middleware.

Proficiency in cloning backup/recovery patching and migration of EBS environments.

Strong knowledge of Windows environments scripting and automation.

Hands-on experience with Oracle Applications DBA (AD utilities AutoConfig ADOP rapid clone etc.).

Experience in customization impact assessment and code remediation.

Understanding of Oracle Security Concurrent Processing and Application Tier Architecture.

Highly Desired/Preferred

Experience with Oracle performance monitoring tuning and optimization

Ability to provide technical guidance to business and executive audiences in clear concise understandable and actionable terms

Soft Skills & Other Requirements:

Ability to lead and execute complex upgrade projects with minimal supervision.

Strong problem-solving and troubleshooting skills.

Excellent communication skills to collaborate with cross-functional teams.

Ability to work in high-pressure dynamic environments with tight deadlines.

Certification in Oracle DBA or EBS is a plus.