Oracle EBS Database Administrator

Appworkshub-posted 1 day ago

Full-time • Mid Level

Onsite • San Antonio, TX

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We are seeking experienced Oracle E-Business Suite (EBS) Database Administrators (DBAs) to support the administration, performance, security, and availability of Oracle EBS R12 environments across multiple instances (DEV, TEST, UAT, PROD). This role requires deep expertise in Oracle Database administration, EBS application stack management, performance tuning, patching (EBS + DB), cloning, environment refreshes, troubleshooting, and secure operations within regulated or public-sector environments. The EBS DBA will collaborate with technical analysts, developers, infrastructure teams, and security personnel to ensure stable, secure, optimized ERP environments.

Administer, maintain, and optimize Oracle EBS databases (R12.x with Oracle Database 19c or similar).
Perform installation, configuration, upgrades, patching, and CPU/PSU deployments across environments.
Manage EBS application tier components including: Concurrent managers Application listeners Web/Forms components Workflow services
Implement and maintain backup and recovery strategies using RMAN and Data Pump.
Perform environment refreshes/cloning, including cleanup, post-clone steps, configuration synchronization, and validation.
Coordinate with development and testing teams to ensure environment readiness for each project cycle.
Maintain environment inventory, instance mappings, and configuration baselines.
Monitor database health, performance metrics, AWR/ASH reports, and system resource utilization.
Tune SQL queries, optimize indexing, adjust initialization parameters, and resolve bottlenecks.
Identify and resolve issues related to locking, concurrency, long-running jobs, and failed concurrent requests.
Troubleshoot issues involving: EBS application layers Concurrent processing failures Database connectivity ORA errors Patch conflicts Workflow errors
Support production operations, including on-call rotations for critical incidents.
Implement and maintain database security, user roles, privileges, encryption options, and auditing features.
Apply hardening standards aligned with federal or regulated-industry security expectations.
Ensure compliance with organizational controls, data protection policies, and ERP governance frameworks.
Support audit evidence collection for configuration, patching, access control, and data integrity.
Develop and maintain DBA documentation including runbooks, SOPs, backup procedures, environment diagrams, and maintenance schedules.
Maintain detailed logs of configuration changes, releases, patch cycles, and environment refreshes.
Document troubleshooting steps and root-cause analysis for recurring issues.
Work with technical analysts on RICEW performance, data flows, and integration-related tuning.
Support functional teams with performance issues affecting P2P, O2C, financial close, or reporting.
Partner with infrastructure/security teams on OS, storage, network, firewalls, and certificate management impacting EBS.
Provide DBA support for upgrades, enhancements, system migrations, and modernization initiatives.
Participate in architectural discussions, capacity planning, and environment roadmap sessions.
Recommend improvements to system reliability, scalability, monitoring, and automation.

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field.
5+ years of Oracle DBA experience, including 3+ years supporting Oracle EBS R12 environments.
U.S. citizenship and ability to obtain/maintain a government clearance.
CompTIA Security+ certification or ability to obtain before start.
Strong hands-on experience with: Oracle Database 19c (or similar) RMAN backup/recovery Data Pump SQL/PLSQL tuning EBS application tier management
Proven experience with environment cloning, refreshes, patching, and performance troubleshooting.
Proficiency with Linux/UNIX administration and shell scripting.
Experience supporting ERP systems in public-sector or regulated environments.
Excellent problem-solving, documentation, and communication skills.
Ability to work in a remote environment with occasional travel onsite to Lackland Air Force Base in San Antonio, Texas.

Oracle Database 19c OCP (Oracle Certified Professional) or higher.
Oracle EBS R12 Applications DBA certification.
Experience with high-availability technologies: RAC Data Guard Active Data Guard
Experience with monitoring tools (OEM/Cloud Control, AWR/ASH).
Familiarity with OCI, AWS, or Azure hosting for Oracle databases (high-level knowledge only).
Experience with ITIL-based change management and incident/problem management.
Automation skills using Python, Ansible, or similar tools.

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