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Sr. Oracle Database Administrator (Full Time) - Hybrid
full-timeEl Campo

Summary

Location

El Campo

Type

full-time

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About this role

External Applicants: Please apply through Prosperity Bank's Career Center at https://www.prosperitybankusa.com/Careers. Applying through any other source may prevent Prosperity from receiving your application. Internal Applicants: If you are a current associate of Prosperity Bank, please apply through the internal Talent - Career Center in ADP. Prosperity Bank is an Equal Opportunity Employer.

POSITION PURPOSE

The Senior Oracle Exadata 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.

 

ESSENTIAL FUNCTIONS AND BASIC DUTIES

  • 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.

 

The above statements describe the general nature and level of work only.   They are not an exhaustive list of all required responsibilities, duties, and skills.  Other duties may be added, or this job description amended at any time.

SUPERVISORY RESPONSIBILITIES:

This role has no supervisory duties.

 

QUALIFICATIONS

Education/Certification: Bachelor’s degree in Computer Science, Information Technology, or a related field. Oracle Certified Professional (OCP), Exadata, or Cloud Infrastructure certifications preferred.  

Required Knowledge: Background in Oracle Cloud Infrastructure (OCI) and advanced security practices preferred.  

Experience Required:       

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.

Skills/Abilities: 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). 

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

 

PHYSICAL ACTIVITIES AND REQUIREMENTS OF THIS POSITION

Talking: Especially where one must frequently convey detailed or important instructions or ideas accurately, loudly, or quickly.

Average Hearing: Able to hear average or normal conversations and receive ordinary information.

Repetitive Motion: Movements frequently and regularly required using the wrists, hands, and/or fingers.

Average Visual Abilities: Average, ordinary, visual acuity necessary to prepare or inspect documents or products, or operate machinery.

Physical Strength: Sedentary work; sitting most of the time.  Exerts up to 10 lbs. of force occasionally. (Almost all office jobs.)

WORKING CONDITIONS

None: No hazardous or significantly unpleasant conditions (such as in a typical office).

 MENTAL ACTIVITIES AND REQUIREMENTS OF THIS POSITION

Reasoning Ability: Ability to deal with a variety of variables under only limited standardization.

Able to interpret various instructions.

Mathematics Ability: Able to perform very simple algebra.

Language Ability: Ability to read and comprehend instruction manuals. Ability to prepare memos, reports, using proper punctuation, spelling, and  grammar. 

Ability to communicate distinctly with appropriate pauses and emphasis, correct pronunciation (or sign equivalent), and variation in word order

Other facts

Tech stack
Oracle Database Administration,Exadata,Security,Performance Tuning,Oracle RAC,ASM,Data Guard,Grid Infrastructure,Exadata Patching,Oracle Enterprise Manager,Scripting,Linux/Unix Administration,Backup and Recovery,Cloud Infrastructure,Problem-Solving,Communication,Collaboration

About PROSPERITY BANK

At Prosperity Bank, we believe in a community banking philosophy where personal relationships and great experiences go hand-in-hand. We provide convenient technology options that our customers expect – all backed by the highest level of security. At every touch point, you’ll find knowledgeable associates ready to serve our customers with accuracy and a smile time and time again. Prosperity provides personal banking services and investments to consumers and small to medium sized businesses throughout Texas and Oklahoma. Founded in 1983, Prosperity ranks among the top 100 U.S. banks in assets. Member FDIC. Equal Housing Lender.

Team size: 1,001-5,000 employees
LinkedIn: Visit
Industry: Banking
Founding Year: 1983

What you'll do

  • The Senior Oracle Exadata Database Administrator will manage and optimize the Oracle Exadata environment, ensuring high availability, performance, and security. Responsibilities include administering systems, implementing security measures, and providing 24x7 production support.

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Frequently Asked Questions

What does a Sr. Oracle Database Administrator (Full Time) - Hybrid do at PROSPERITY BANK?

As a Sr. Oracle Database Administrator (Full Time) - Hybrid at PROSPERITY BANK, you will: the Senior Oracle Exadata Database Administrator will manage and optimize the Oracle Exadata environment, ensuring high availability, performance, and security. Responsibilities include administering systems, implementing security measures, and providing 24x7 production support..

Why join PROSPERITY BANK as a Sr. Oracle Database Administrator (Full Time) - Hybrid?

PROSPERITY BANK is a leading Banking company.

Is the Sr. Oracle Database Administrator (Full Time) - Hybrid position at PROSPERITY BANK remote?

The Sr. Oracle Database Administrator (Full Time) - Hybrid position at PROSPERITY BANK is based in El Campo, Texas, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Sr. Oracle Database Administrator (Full Time) - Hybrid position at PROSPERITY BANK?

You can apply for the Sr. Oracle Database Administrator (Full Time) - Hybrid position at PROSPERITY BANK directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about PROSPERITY BANK on their website.