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

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  Administer and support Oracle 19c databases in a Data Guard configuration consisting of one primary and two standby databases.
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  Manage and maintain Oracle Data Guard using Data Guard Broker.
  Configure, monitor, and troubleshoot Fast-Start Failover (FSFO), including multiple observers across distributed environments.
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  Perform routine and emergency Oracle patching (RU/CPU), including planning, testing, deployment, and post-patch validation.
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  Monitor database health, performance, and availability using Oracle Enterprise Manager (OEM).
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  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.
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  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.
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  Perform Linux administration and maintain shell scripts supporting database operations.
  Support database security and highly available enterprise database environments.

Requirements

Required Skills & Qualifications

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  10+ years of Oracle Database Administration experience supporting enterprise environments.
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  Strong hands-on experience with Oracle 19c on Linux.
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  Expertise with Oracle Data Guard, Data Guard Broker, and FSFO.
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  Experience with RMAN backup and recovery and Oracle RAC.
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  Experience with Oracle patching and lifecycle management.
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  Working knowledge of Oracle Enterprise Manager (OEM).
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  Experience with database migration, troubleshooting, performance monitoring, and tuning.
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  Proficiency in Linux administration and shell scripting.
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  Current CompTIA Security+ CE certification.
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  Active Top Secret/SCI clearance with Lifestyle Polygraph (LS Poly).
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  Bachelor's degree in Computer Science or a related field, or equivalent professional experience.
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  Strong communication skills and ability to work independently.

Preferred Skills & Qualifications

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  Current or recent SYS3 PRIVAC level.
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  Experience supporting multi-site FSFO observer configurations.
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  Experience with Oracle Database Vault and/or Label Security.
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  Experience with Oracle Enterprise Manager Cloud Control.
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  Experience with database security and data migration.
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  Experience with AWR/ASH performance tuning and analysis.
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  Experience with Oracle Flashback Database and FRA.
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  Experience supporting highly secure or classified environments.