Senior Oracle E-Business Suite; EBS) Apps DBA

Diné Development Corporation (DDC) – Source is seeking a Senior Oracle E-Business Suite (EBS) Apps DBA to support a mission-critical U.S. Air Force program modernizing enterprise maintenance and logistics systems. This role supports the Maintenance, Repair & Overhaul Initiative (MROi) and focuses on managing large-scale Oracle EBS R12.2 environments across on-premise infrastructure and Oracle Cloud Infrastructure (OCI), Exadata Cloud Services, and Cloud One.

The Senior Apps DBA will work closely with government stakeholders, system integrators, and engineering teams to ensure secure, high-performance Oracle ERP systems supporting Air Force operations worldwide. This position is ideal for cleared professionals who want to work on high-impact national defense systems while leveraging modern Oracle cloud technologies.

Responsibilities :

Install, configure, clone, and maintain Oracle E-Business Suite R12.2 environments

Manage ADOP patching cycles, upgrades, and system maintenance

Perform environment provisioning and cloning across development, test, training, and production

Administer user provisioning, roles, and responsibilities

Support application monitoring, troubleshooting, and system optimization

Manage Oracle Database 12c / 19c environments

Implement backup, recovery, and disaster recovery strategies

Support Oracle RAC, ASM, RMAN, and Data Guard architectures

Monitor database performance and perform tuning as needed

Support Oracle ERP deployments across OCI, Cloud One, Exadata Cloud Services, and DISA environments

Assist with cloud migration, hybrid architecture integration, and infrastructure automation

Ensure systems meet DoD security requirements and STIG compliance

Analyze query execution plans and optimize database performance

Identify application performance bottlenecks

Conduct performance testing and system benchmarking

Support capacity planning and load balancing

Work closely with the MRO Program Office (PMO) and system implementers

Provide technical expertise on architecture and scalability decisions

Interface with Oracle Support and other stakeholders to resolve issues

Mentor junior DBAs and contribute to operational best practices

Procedure and system documentation creation, maintenance, and review

Performs other related duties as assigned

Qualifications

Active Secret Clearance. U.S. Citizenship requiredIAT Level II Certification (Security+ CE, CASP+ CE, CISSP, or equivalent)5–7+ years supporting Oracle E‑Business Suite R12.2

Experience with large enterprise Oracle environments

Oracle EBS installation, cloning, patching, and upgradesADOP online patching cycles

Oracle Database 12c / 19c administration

Oracle RAC, RMAN, ASMLinux or Solaris system administration

Oracle Web Logic Server administration

Monitoring with Oracle Enterprise Manager

Preferred Qualifications Experience supporting Department of War programs

Bachelor’s degree in Information Technology, Computer Science, or related field

Oracle Cloud Infrastructure (OCI) certification

Oracle E‑Business Suite certification

Experience with Oracle Exadata infrastructure

Knowledge of Oracle Fusion Middleware technologies (SOA, IAM, APEX, OEM)

Experience with Dev Sec Ops  pipelines such as Jenkins, Bitbucket, Ansible

Experience with Infrastructure as Code (Terraform)
Experience working with distributed or government contractor teams

About UsDiné Development Corporation (DDC) is a Navajo Nation–owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve.

Benefits Eligible full-time employees receive a comprehensive benefits package, including medical, dental, vision,…