Note: The job is a remote job and is open to candidates in USA. Amaze Systems is seeking an experienced Oracle E-Business Suite Database Administrator to support and lead a technical migration from EBS 12.1.3 to 12.2.14 or the latest release. The role focuses on Oracle database administration, upgrade execution, online patching, security, performance, dependent-component configuration, testing, troubleshooting, and post-go-live stabilization while collaborating with functional, development, and infrastructure teams.
Responsibilities
- Lead end-to-end technical execution of the Oracle EBS upgrade from Release 12.1.3 to 12.2.14 (or latest), including pre-upgrade readiness assessments, upgrade execution, and post-upgrade validation
- Implement and configure Online Patching (ADOP) architecture as part of the 12.2 upgrade
- Perform database-level tasks including installation, patching, cloning, backup/recovery, performance tuning, and capacity planning across Production, Test, and Development environments
- Support upgrade and configuration of dependent components — BI Publisher, Oracle APEX, Enterprise Command Center (ECC) foundation
- Coordinate and execute CEMLI (Configuration, Extension, Modification, Localization, Integration) retrofit activities from a technical/database perspective, in partnership with functional and development teams
- Establish and validate performance baselines pre- and post-upgrade using industry-standard performance testing tools
- Implement security hardening measures including data encryption, application of Oracle Critical Patch Updates (CPUs), and database failover configuration (Data Guard/RAC as applicable)
- Support Single Sign-On (SSO) and Identity and Access Management (IAM) integration activities from a database/technical infrastructure standpoint
- Collaborate with functional teams supporting Financials (AP, AR, GL, Cash Management, E-Business Tax) and SCM (Order Management, Procurement, Inventory, and Financials) to understand module dependencies and troubleshoot upgrade-related technical issues
- Participate in functional, regression, integration, and performance test cycles, providing technical support and defect resolution
- Support Hypercare and post-go-live stabilization activities
- Maintain detailed technical documentation, including upgrade runbooks, troubleshooting guides, and knowledge transfer materials
Skills
- 8-10 years of hands-on Oracle Database Administration experience, with at least one full-cycle EBS technical upgrade from R12.1.x to R12.2.x
- Strong working knowledge of Oracle EBS 12.2 architecture, including Online Patching (ADOP), Weblogic Server (WLS), and dual file system concepts
- Proficiency in Oracle Database administration (11g/12c/19c as applicable) — installation, patching, performance tuning, backup/recovery (RMAN), and troubleshooting
- Practical, working-level understanding of Oracle EBS SCM modules (Order Management, Procurement, Inventory & Financials)
- Experience with BI Publisher upgrade/configuration and Oracle APEX installation
- Familiarity with Oracle Application Management Suite/Pack (AMS/AMP) for monitoring and incident management
- Experience applying Oracle Critical Patch Updates (CPUs) and general security hardening practices
- Strong troubleshooting and root-cause analysis skills across database, application, and integration layers
- Prior experience with SSO/IAM integration for Oracle EBS
- Experience supporting global, multi-ledger, multi-site EBS environments
- Familiarity with Oracle Unified Method (OUM) or similar structured upgrade/implementation methodology
- Strong written and verbal communication skills, with the ability to translate technical detail into business-relevant impact for functional and business stakeholders
- Ability to work effectively in a structured, phase-gated delivery environment (Assessment → Build → Test → Cutover → Hypercare)
- Strong collaboration skills across DBA, functional, development, and infrastructure teams
- 12.2.14 or latest strongly preferred
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