Sr. Oracle Database Administrator (Full Time) - Hybrid

PROSPERITY BANK • El Campo, TX

18d • Hybrid

About The Position

The Senior Oracle Database Administrator will architect, secure, manage, and optimize the Oracle Exadata environment—both on-premises and in the cloud. The Senior Oracle Exadata Database Administrator will be responsible for ensuring the highest levels of availability, performance, and security for the mission-critical databases, and for implementing robust security controls and compliance standards across the Exadata and OCI deployments.

Requirements

• 5+ years of experience in Oracle Database Administration with a proven track record of managing and securing Exadata systems.
• 3+ years of hands-on experience with Oracle Exadata, including administration, security, and performance tuning.
• Extensive experience with Oracle RAC, ASM, Data Guard, Grid Infrastructure, and Exadata patching.
• Strong knowledge of Oracle Enterprise Manager (OEM), AWR, ADDM, and security auditing tools.
• Proficiency in Linux/Unix system administration and scripting for automation and security hardening.
• Demonstrated experience in securing database environments, implementing encryption, and managing database compliance and auditing.
• Solid background in deploying and managing Exadata solutions in Oracle Cloud Infrastructure (OCI), including security best practices in cloud environments.
• Excellent problem-solving, communication, and collaboration skills.
• Bachelor’s degree in Computer Science, Information Technology, or a related field.

Nice To Haves

• Experience with Exadata Cloud@Customer and advanced OCI security features (such as Identity and Access Management, network security, and cloud-native monitoring).
• Familiarity with ITIL processes, change management, and security frameworks (e.g., ISO, NIST).
• Oracle Certified Professional (OCP), Oracle Exadata, or Oracle Cloud Infrastructure certifications preferred.
• Background in Oracle Cloud Infrastructure (OCI) and advanced security practices preferred.

Responsibilities

• Administer, secure, and maintain Oracle Exadata systems—covering storage cells, compute nodes, and InfiniBand networks—across on-premises and OCI environments.
• Design and implement advanced security measures for Exadata and Oracle Cloud database environments, including encryption, access controls, auditing, and vulnerability management.
• Perform end-to-end installation, configuration, patching, and upgrades of Exadata software, firmware, and OCI resources while ensuring minimal downtime and maximum security.
• Continuously monitor system performance, proactively identify and resolve issues, and tune databases for optimal operation and security posture.
• Develop, test, and manage comprehensive backup and recovery strategies using RMAN, Oracle Data Guard, and OCI-native tools, ensuring business continuity and disaster recovery readiness.
• Collaborate with application, infrastructure, and security teams to support and secure database-related needs, including role-based access and compliance initiatives.
• Automate routine administration and security tasks using scripting languages (Shell, Python, etc.) to improve operational efficiency and reduce risk.
• Participate in capacity planning and disaster recovery exercises, with a focus on secure architecture and compliance with industry standards.
• Provide 24x7 production support as required, including on-call rotation and incident response for both performance and security events.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees