Senior Oracle Database Administrator-(USC/GC ONLY)

Cognisol; Louisiana (MO); On-site; USD 104,000 - 120,000; Full time

Job summary

Cognisol is seeking a highly skilled Senior Oracle Database Administrator to join their IT infrastructure team in St. Louis, MO. The ideal candidate will manage mission-critical Oracle database environments, ensuring performance, reliability, and compliance. Responsibilities include database management, performance tuning, and disaster recovery solutions. Candidates should have 8+ years of experience and relevant certifications.

Qualifications

• 8+ years of hands-on experience in Oracle database administration.
• Proven track record of performance tuning and managing high-availability database environments.
• Experience with Exadata systems is required.

Responsibilities

• Oversee the installation, configuration, administration, and maintenance of Oracle databases.
• Manage and support Oracle Exadata systems, ensuring optimal performance.
• Design and implement robust backup and recovery strategies.

Skills

Security & Compliance

Oracle RAC

Performance Tuning

Automation & Scripting

Collaboration & Mentoring

Education

Oracle Certified Professional (OCP) – Oracle Database 19c or later

Oracle Exadata Database Machine Implementation Specialist

ITIL Foundation or equivalent

Tools

Oracle Cloud Infrastructure (OCI)

Shell Scripting

PL/SQL

Linux/Unix Administration

RMAN

Job description

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Job Title :Senior Oracle Database Administrator

client : Compunnel

Location :St. Louis, MO (Onsite)

Rate : $50/ Hr on 1099

Years of Exp- 8+ years

Notice: Immediate to 15 days

Job Description

We are seeking a highly skilled and experienced Senior Oracle Database Administrator (DBA) to join our IT infrastructure team.

The ideal candidate will be responsible for the administration, performance, and reliability of mission-critical Oracle database environments, including Exadata systems.

Key Responsibilities

• Oracle Database Management – Oversee the installation, configuration, administration, and maintenance of Oracle databases across production, test, and development environments.
• Patch Management & Upgrades – Plan and execute Oracle database patching, version upgrades, and migrations while ensuring minimal downtime and adherence to compliance standards.
• Exadata Administration – Manage and support Oracle Exadata systems, including cell servers, storage servers, and Infiniband networks, ensuring optimal performance and availability.
• Performance Tuning – Monitor, diagnose, and resolve performance issues through in-depth analysis, query optimization, and resource management.
• Backup & Recovery – Design, implement, and test robust backup and recovery strategies using RMAN and Data Guard to ensure data integrity and disaster readiness.
• Security & Compliance – Ensure database security, access control, and compliance with organizational policies and industry standards (e.g., SOX, GDPR).
• Automation & Scripting – Develop and maintain scripts for automation of routine tasks, monitoring, and reporting using Shell, PL/SQL, and other tools.
• High Availability & DR – Design and manage high availability (HA) and disaster recovery (DR) solutions, including RAC, Data Guard, and GoldenGate as applicable.
• Monitoring & Alerting – Implement and manage monitoring tools to proactively identify and address database performance and availability issues.
• Collaboration & Mentoring – Work closely with application teams, infrastructure teams, and vendors; provide guidance and mentorship to junior DBAs.
  
  

Experience

• 8+ years of hands-on experience in Oracle database administration, including at least 2 years with Exadata systems.
• Proven track record of performance tuning and managing high-availability database environments.
  
  

Certifications (preferred)

• Oracle Certified Professional (OCP) – Oracle Database 19c or later
• Oracle Exadata Database Machine Implementation Specialist
• Oracle Certified Expert (OCE) – Real Application Clusters and Grid Infrastructure Administration
• ITIL Foundation or equivalent (for understanding of IT service management processes)
  
  

Technical Skills

• Strong expertise in Oracle RAC, ASM, Data Guard, RMAN, OEM Cloud Control.
• Proficient in Shell scripting, PL/SQL, and Linux/Unix administration.
• Familiarity with Oracle Cloud Infrastructure (OCI) or other cloud platforms is a plus.
  
  

Skills: security & compliance,oracle rac,performance tuning,infrastructure,cloud,automation & scripting,asm,linux,data guard,management,collaboration & mentoring,monitoring & alerting,high availability & dr,oracle cloud infrastructure (oci),rac,oracle,rman,exadata administration,oracle database,shell scripting,linux/unix administration,backup & recovery,oem cloud control,oracle database management,pl/sql,database

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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