Senior Oracle DBA — HA/DR, Exadata & GoldenGate Expert

Cognizant; Denver (CO); On-site; USD 99,000 - 116,000; Full time

Job summary

Cognizant is seeking an experienced Oracle DBA for a full-time opportunity in a dynamic enterprise environment. You will administer and optimize Oracle databases across multiple versions, manage GoldenGate replication, Exadata infrastructure, and Data Guard-based high availability.

Strong scripting and collaboration with cloud teams are essential. Ideal candidates have 10+ years of Oracle DB experience, deep knowledge of RMAN backups, OEM, and performance tuning.

Qualifications

• 10+ years of Oracle Database Administration experience.

Responsibilities

• Administer, monitor, and support Oracle Database environments (11g/12c/19c/21c).
• Manage and maintain Oracle GoldenGate replication in uni- and bi-directional environments.
• Administer and support Oracle Exadata infrastructure and databases.
• Configure, maintain, and troubleshoot Oracle RAC, ASM, and Data Guard environments.
• Perform database installation, upgrades, patching, migration, cloning, and refresh activities.
• Monitor database performance and troubleshoot bottlenecks using AWR, ASH, ADDM, and OEM.
• Manage backup and recovery strategies using RMAN and perform disaster recovery testing.
• Implement HA and DR solutions using Data Guard.
• Support production incidents, service requests, problem management, and root cause analysis.
• Work with application, infra, and cloud teams during deployments and migrations.
• Automate routine DBA tasks using Shell Scripting and Oracle utilities.
• Ensure database security, compliance, and operational best practices.

Skills

Oracle DBA 10+ years

Oracle GoldenGate

Oracle Exadata

Oracle RAC

Oracle ASM

Oracle Data Guard / Active Data Guard

RMAN Backups

OEM

AWR/ASH/ADDM/SQL Tuning

Linux/Unix

Shell Scripting

24x7 on-call support

Stakeholder communication

Tools

Oracle Enterprise Manager (OEM)

RMAN

Job description

Cognizant is seeking an experienced Oracle DBA for a full-time opportunity in a dynamic enterprise environment. You will administer and optimize Oracle databases across multiple versions, manage GoldenGate replication, Exadata infrastructure, and Data Guard-based high availability.

Strong scripting and collaboration with cloud teams are essential. Ideal candidates have 10+ years of Oracle DB experience, deep knowledge of RMAN backups, OEM, and performance tuning.