Sr. Oracle Database Administrator
Summary
A Senior Oracle Database Administrator supports a secure, mission-critical enterprise Oracle 19c environment for government customers, managing Data Guard, RMAN backups, Linux operations, and ensuring high availability and performance.
CDIT is a technology solutions company supporting government and national security customers with secure, mission-focused IT solutions. We partner with highly skilled technical professionals to support complex environments where reliability, security, and operational excellence are critical. Our team values technical expertise, collaboration, and a commitment to supporting the missions of our customers.
CDIT is seeking an experienced Senior Oracle Database Administrator (DBA) to support a highly secure, mission-critical environment. This role will be responsible for the administration, availability, performance, and resiliency of enterprise Oracle database environments. The ideal candidate will bring extensive hands-on experience with Oracle 19c, Data Guard, Data Guard Broker, FSFO, RMAN, and Linux, with the ability to independently troubleshoot and support complex database environments.
Responsibilities
- Administer and support Oracle 19c databases in a Data Guard configuration consisting of one primary and two standby databases.
- Manage and maintain Oracle Data Guard using Data Guard Broker.Configure, monitor, and troubleshoot Fast-Start Failover (FSFO), including multiple observers across distributed environments.
- Perform routine and emergency Oracle patching (RU/CPU), including planning, testing, deployment, and post-patch validation.
- Monitor database health, performance, and availability using Oracle Enterprise Manager (OEM).
- Execute and validate switchover and failover operations, including primary database reinstatement.Troubleshoot Data Guard issues, including transport/apply lag, archive gaps, and broker-related errors.
- Maintain backup and recovery processes using RMAN, including FRA and Flashback Database.Support database migrations, performance analysis, and tuning using tools such as AWR and ASH.
- Perform Linux administration and maintain shell scripts supporting database operations.Support database security and highly available enterprise database environments.
Requirements
Required Skills & Qualifications
- 10+ years of Oracle Database Administration experience supporting enterprise environments.
- Strong hands-on experience with Oracle 19c on Linux.
- Expertise with Oracle Data Guard, Data Guard Broker, and FSFO.
- Experience with RMAN backup and recovery and Oracle RAC.
- Experience with Oracle patching and lifecycle management.
- Working knowledge of Oracle Enterprise Manager (OEM).
- Experience with database migration, troubleshooting, performance monitoring, and tuning.
- Proficiency in Linux administration and shell scripting.
- Current CompTIA Security+ CE certification.
- Active Top Secret/SCI clearance with Lifestyle Polygraph (LS Poly).
- Bachelor's degree in Computer Science or a related field, or equivalent professional experience.
- Strong communication skills and ability to work independently.
Preferred Skills & Qualifications
- Current or recent SYS3 PRIVAC level.
- Experience supporting multi-site FSFO observer configurations.
- Experience with Oracle Database Vault and/or Label Security.
- Experience with Oracle Enterprise Manager Cloud Control.
- Experience with database security and data migration.
- Experience with AWR/ASH performance tuning and analysis.
- Experience with Oracle Flashback Database and FRA.
- Experience supporting highly secure or classified environments.
Duty Hours: TBD based on mission and operational needs.