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 required IAT 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 upgrades ADOP online patching cycles Oracle Database 12c / 19c administration Oracle RAC, RMAN, ASM Linux or Solaris system administration Oracle WebLogic 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 DevSecOps pipelines such as Jenkins, Bitbucket, Ansible Experience with Infrastructure as Code (Terraform) Experience working with distributed or government contractor teams About Us Diné 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, life and disability coverage, retirement savings with company match, and paid time off. Additional benefits include voluntary supplemental benefits, access to an employee assistance program, and educational assistance with tuition reimbursement. Equal Opportunity & Compliance Statement This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a), and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law. We participate in E-Verify. DDC is committed to providing equal employment opportunities to all applicants and employees. If you require a reasonable accommodation to participate in the application or interview process, please contact Recruiting for assistance [email protected]

Senior Oracle E-Business Suite (EBS) Apps DBA.

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