Senior Oracle Database Administrator

EnIn Systems; Dallas (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

ENIN Systems, INC in Dallas, TX is seeking a Senior Oracle Database Administrator with 12–15+ years of experience to manage, secure, and optimize Oracle environments. You will lead installation, configuration, performance tuning, backup and recovery, and high-availability strategies to ensure reliability and security.

The role requires deep expertise with 12c/19c/21c, RAC, Data Guard, RMAN, OEM, and PL/SQL.

Qualifications

• 12–15+ years of Oracle DBA experience in enterprise environments.
• Strong knowledge of Oracle 12c, 19c, and 21c.
• Experience with 24/7 production databases and high availability.

Responsibilities

• Install, configure, upgrade, and maintain Oracle databases.
• Manage RAC and Data Guard environments for continuity.
• Perform monitoring, performance tuning, and troubleshooting.
• Implement backup/recovery strategies using RMAN.
• Develop and optimize SQL/PLSQL scripts and automation.

Skills

Oracle DB administration

SQL & PL/SQL

RAC & Data Guard

RMAN backup & recovery

OEM monitoring

Linux/Unix

Performance tuning

Patching & upgrades

Security & disaster recovery

GoldenGate (preferred)

Education

Bachelor's degree in Computer Science or related

Tools

Oracle Enterprise Manager (OEM)

Oracle GoldenGate

RMAN

Job description

Job Title: Senior Oracle Database Administrator (Senior Oracle DBA)

Experience : 12–15+ years of experience

Only W2

Job Summary:

We are seeking an experienced Senior Oracle Database Administrator (DBA) responsible for managing, maintaining, securing, and optimizing Oracle database environments. The candidate will handle database installation, configuration, performance tuning, backup and recovery, troubleshooting, and high availability to ensure database reliability, scalability, and security.

Key Responsibilities :

• Install, configure, upgrade, and maintain Oracle databases.
• Manage Oracle Database 12c, 19c, and 21c environments.
• Perform database administration, monitoring, and performance tuning.
• Implement database backup and recovery strategies using RMAN.
• Manage Oracle RAC (Real Application Clusters) and Data Guard environments.
• Monitor database health, availability, and performance.
• Troubleshoot database issues, errors, and performance bottlenecks.
• Manage tablespaces, data files, indexes, schemas, and database objects.
• Implement database security, user access, roles, and permissions.
• Perform database patching, upgrades, and migrations.
• Develop and maintain SQL and PL/SQL scripts.
• Support disaster recovery and business continuity planning.
• Monitor database capacity and perform space management.
• Collaborate with application developers, infrastructure teams, and business stakeholders.
• Ensure database compliance with organizational security standards.

Required Technical Skills:

• Strong experience with Oracle Database administration.
• Expertise in Oracle 12c, 19c, and 21c.
• Strong knowledge of SQL and PL/SQL.
• Hands-on experience with Oracle RAC and Data Guard.
• Experience with RMAN backup and recovery.
• Knowledge of Oracle Enterprise Manager (OEM).
• Experience with database performance tuning and optimization.
• Knowledge of Linux/Unix operating systems.
• Experience with database installation, patching, and upgrades.
• Knowledge of database security and disaster recovery.
• Experience with Oracle GoldenGate is preferred.

Required Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 12–15+ years of experience in database administration.
• 5+ years of hands-on Oracle DBA experience in enterprise environments.
• Strong troubleshooting and analytical skills.
• Experience supporting production databases in 24/7 environments.

Preferred Skills:

• AWS or Azure database environments.
• Oracle Exadata.
• Oracle GoldenGate replication.
• Database automation using Shell or Python scripting.