Job Description

Position Overview / Statement of Work

• The Office of Innovation and Technology and Department of Revenue IT unit are seeking an experienced Oracle E-Business Suite (EBS) DBA to lead the planning of an upgrade from Oracle EBS 12.1 to 12.2.
• The ideal candidate will have deep expertise in Oracle Database Administration, EBS architecture, and upgrade methodologies.
• This role involves analyzing the existing environment, the ability to clone the system with standard EBS tools and designing an upgrade strategy that will ensure post-upgrade stability and performance optimization.

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 module's 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

Pre-Upgrade Planning & Assessment

• Conduct a system assessment to analyze the existing EBS 12.1 architecture, including database, application tier, and customizations.
• Evaluate system compatibility with EBS 12.2, including database versions, third-party software (including basis2 water billing system), and hardware.
• Perform a custom code impact analysis of basis2.
• Identify deprecated features, unsupported objects, and necessary modifications.
• Develop an upgrade strategy, including timelines, rollback plans, and resource requirements.

Environment Preparation & Cloning

• Define test environments (development, test, and UAT) required for the upgrade process.
• Create plan for cloning of the production EBS 12.1 environment to create a sandbox for dry runs.
• Create plan for upgrading the database to a certified version (e.g., Oracle Database 19c) as per EBS 12.2 requirements.
• Define required patches to prepare for the upgrade.
• Define a test plan to prepare for the upgrade.

Plan the components of executing the Upgrade Process

• Follow Oracle's 12.2 upgrade roadmap, including:
• Running Rapid Install for 12.2
• Applying Release Update Pack (RUP) patches
• Enabling Online Patching (ADOP framework)
• Execute data migration scripts and update metadata as required.
• Verify integrity of concurrent manager processes, workflow mailers, and business-critical integrations.
• Work with developers to define how to retrofit and remediate customizations impacted by the new architecture.

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

• Conduct thorough functional and performance testing to ensure system stability.
• Optimize database and application performance, including SQL tuning, indexing, and JVM tuning.
• Validate patching functionality using Oracle's AD Online Patching (ADOP) feature.
• Perform cutover planning and execution for the final upgrade to production.
• 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.

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