Sr. Oracle Database Administrator (Full Time) - Hybrid
Company: Prosperity Bank
Location: El Campo
Posted on: April 1, 2026
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Job Description:
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
Keywords: Prosperity Bank, Sugar Land , Sr. Oracle Database Administrator (Full Time) - Hybrid, IT / Software / Systems , El Campo, Texas
