oracle apps DBA

Senior Oracle Applications DBA
Company: Buxton Consulting
Employment Type: Full-time
Requirement: Must be hands-on
Work Schedule: Rotational shifts supporting Pacific Time business hours (PST/PDT)
Role Overview
Buxton Consulting is seeking a hands-on Senior Oracle Applications DBA with strong experience supporting Oracle E-Business Suite (EBS) 11i, R12.1, and R12.2.x and Oracle Database versions up to and including 19c. The role involves administration, troubleshooting, performance tuning, patching, upgrades, and migrations across on-premises and cloud environments.
Strong troubleshooting skills and hands-on Oracle Cloud Infrastructure (OCI) experience are mandatory.
Key Responsibilities
Administer and support Oracle EBS 11i, R12.1, and R12.2.x application and database environments.
Perform EBS installation, configuration, patching, cloning, upgrades, and migrations.
Manage application-tier components, including concurrent managers, workflow services, Oracle Forms and Reports, Oracle HTTP Server, and Oracle WebLogic Server, as applicable to the EBS release.
Perform EBS patching using ADPATCH and R12.2 online patching using ADOP.
Administer Oracle Database versions up to and including 19c, maintaining compatibility with the applicable EBS release.
Troubleshoot complex application, database, and infrastructure issues and perform root cause analysis.
Monitor and optimize application and database performance, including SQL tuning and capacity planning.
Manage backup, recovery, high availability, and disaster recovery using RMAN, Oracle RAC, and Data Guard.
Support Oracle workloads on OCI and other cloud platforms, including AWS or Microsoft Azure.
Maintain security controls, monitoring, operational documentation, and recovery procedures.
Collaborate with application, infrastructure, development, and business teams to resolve production incidents and implement changes.
Mandatory Skills
Oracle Applications DBA
Strong hands-on administration and support experience with Oracle EBS 11i, R12.1, and R12.2.x.
Experience with EBS application and database tiers, including patching, cloning, configuration, upgrades, and migrations.
Hands-on experience with ADOP, ADPATCH, AutoConfig, and Rapid Clone.
Experience supporting concurrent processing, workflow, application services, and application-tier connectivity.
Strong understanding of EBS architecture and application/database dependencies.
Oracle Database Administration
Strong Oracle Core DBA experience with database versions up to and including Oracle Database 19c.
Hands-on expertise in:
Oracle RAC and ASM.
Oracle Data Guard.
Database and SQL performance tuning.
RMAN backup and recovery.
Database patching, upgrades, migrations, and cloning.
Database security, monitoring, and capacity management.
Troubleshooting and Root Cause Analysis
Strong hands-on troubleshooting skills across Oracle EBS application tiers, Oracle databases, and cloud infrastructure.
Ability to diagnose and resolve production incidents, performance degradation, connectivity failures, patching errors, and backup/recovery failures.
Experience analyzing logs, identifying root causes, and implementing corrective and preventive actions.
Ability to independently manage critical incidents and communicate clearly throughout resolution.
Oracle Cloud Infrastructure and Other Cloud Platforms
Mandatory hands-on OCI experience, including:
Compute, storage, networking, and Identity and Access Management (IAM).
Oracle database services and EBS deployments.
Monitoring, backup, and disaster recovery.
Cloud migrations and administration.
Experience supporting Oracle workloads on AWS, Microsoft Azure, or other cloud platforms.
Understanding of hybrid cloud connectivity, security, and operational support.
Operating Systems and Scripting
Strong Linux/Unix administration and troubleshooting skills relevant to Oracle environments.
Hands-on shell scripting experience for routine administration, monitoring, and automation.
Preferred Skills — Nice to Have
Microsoft SQL Server DBA experience, including administration, performance tuning, backup and recovery, and troubleshooting.
AI-driven automation experience, including AI-assisted database monitoring, performance optimization, incident diagnosis, and automation of routine DBA tasks.
Oracle Exadata administration and performance optimization.
Automation using Python, Ansible, or similar tools.
Design and implementation of high-availability and disaster recovery architectures.
Experience with integrations between Oracle EBS and Oracle Fusion Cloud Applications.
Cloud cost optimization and infrastructure automation experience.
Communication and Professional Attributes
Exceptional communication, presentation, and documentation skills.
Ability to explain technical issues clearly to technical and business stakeholders.
A pleasant, proactive, collaborative, and professional attitude.
Strong ownership and the ability to work independently.

Work arrangement
Yes