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Prosperity Bank · 3 weeks ago

Sr. Oracle Database Administrator (Full Time) - Hybrid

El Campo, TX, US

Full-time

Hybrid

Senior Level

5+ years exp

Prosperity Bank is seeking a Senior Oracle Database Administrator to architect, secure, manage, and optimize the Oracle Exadata environment. This role involves ensuring the highest levels of availability, performance, and security for mission-critical databases, along with implementing robust security controls and compliance standards across Exadata and OCI deployments.

BankingFinancial Services

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

Qualification

Oracle ExadataOracle Cloud InfrastructureDatabase SecurityOracle RACPerformance TuningLinux/Unix AdministrationITIL FamiliarityCommunication SkillsProblem-Solving SkillsCollaboration Skills

Required

Bachelor's degree in Computer Science, Information Technology, or a related field

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

Must be able to be on a on-call rotation and occasional weekend work for maintenance, upgrades, and incident responses

Hybrid work model-primarily remote with some onsite requirements as needed

Preferred

Oracle Certified Professional (OCP), Oracle Exadata, or Oracle Cloud Infrastructure certifications

Background in Oracle Cloud Infrastructure (OCI) and advanced security practices

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)