Senior Oracle Database Administrator

Technologent; Florida; On-site; USD 110,000 - 150,000; Full time

Job summary

Technologent is seeking a Senior Database Administrator/Database Engineer with hands-on expertise in Oracle, PostgreSQL, Couchbase, and Cassandra to design scalable and secure database solutions for enterprise applications. The role involves architecture, development, administration, and performance optimization across relational and NoSQL databases.

Role emphasizes data modeling, SQL optimization, migration support, and robust backup/recovery in on-prem, cloud, and hybrid environments.

Qualifications

• 7+ years in database design, development, engineering and administration.
• Hands-on with Oracle and PostgreSQL including SQL development and performance tuning.
• Experience with NoSQL databases such as Couchbase and Cassandra.

Responsibilities

• Design, develop, implement, and maintain enterprise database solutions across Oracle, PostgreSQL, Couchbase, and Cassandra.
• Perform data modeling for relational and NoSQL databases.
• Develop and optimize SQL queries, procedures, functions, and triggers.
• Tune performance: indexing, execution plans, and resource usage.
• Implement high availability, replication using GoldenGate, backup and disaster recovery.
• Support large-scale migrations and platform upgrades.
• Enforce database security, access control, encryption, auditing, and compliance.
• Troubleshoot production issues and performance bottlenecks.
• Collaborate with development teams on standards and data access patterns.
• Automate routine DBA tasks and support on-prem, cloud, and hybrid environments.
• Create documentation, architecture diagrams, and operational procedures.

Skills

Database architecture

SQL development

Performance tuning

Troubleshooting

Cross-functional collaboration

Tools

Oracle

PostgreSQL

Couchbase

Cassandra

Job description

The Opportunity: We are seeking a Senior Database Administrator (DBA) / Database Engineer with hands-on experience in database architecture, design, development, administration, and performance optimization across relational and NoSQL database technologies. The ideal candidate will have strong technical expertise in Oracle, PostgreSQL, Couchbase, and Cassandra, with proven experience designing scalable, highly available, secure, and high-performing database solutions for enterprise applications.

• Role: Oracle DBA (PostgreSQL & Couchbase)
• Experience: 7+ Years
• Work Location: Sunrise, FL
• Project Duration: 12+ Months Contract

Key Responsibilities

• Design, develop, implement, and maintain enterprise database solutions using Oracle, PostgreSQL, Couchbase, and Cassandra.
• Perform database architecture and data modeling activities for relational and NoSQL databases.
• Develop and optimize complex SQL queries, stored procedures, functions, triggers, and database objects.
• Monitor and tune database performance, including query optimization, indexing, execution plans, and resource utilization.
• Design and implement high availability, replication using GoldenGate, backup, recovery, and disaster recovery solutions.
• Support large-scale database migrations, platform upgrades, and modernization initiatives.
• Implement database security, access controls, encryption, auditing, and compliance best practices.
• Troubleshoot complex database issues, production incidents, and performance bottlenecks.
• Collaborate with development teams to establish database design standards, coding best practices, and efficient data access patterns.
• Automate routine database administration, monitoring, deployment, and maintenance activities.
• Support database solutions deployed in on-premises, cloud, and hybrid environments.
• Develop technical documentation, architecture diagrams, operational procedures, and database standards.

Required Qualifications

• 7+ years of professional experience in database design, development, engineering, and administration.
• Strong hands-on experience with Oracle and PostgreSQL, including database architecture, SQL development, performance tuning, and administration.
• Practical experience with Couchbase and Cassandra, including NoSQL data modeling, cluster management, replication, and performance optimization.
• Strong understanding of relational and distributed database architecture, indexing strategies, partitioning, and query optimization.
• Experience implementing database high availability, backup/recovery, disaster recovery, and replication strategies using GoldenGate.
• Proficiency in SQL, PL/SQL, PL/pgSQL, and database scripting.
• Experience diagnosing and resolving complex production database issues.
• Strong knowledge of database security, access management, and data protection.
• Experience working in large-scale enterprise environments with mission-critical applications.
• Excellent analytical, troubleshooting, communication, and cross-functional collaboration skills.

Technologent is an Equal Opportunity Employer -- EEO/AA Employer/Vet/Disabled -- for reasonable accommodations, please contact us.

Technologent is a Global Provider of Edge-to-Edge℠ Information Technology Solutions and Services for Fortune 1000 and SMB companies. We offer a unique blend of business practices that are aligned to solve for top CIO concerns. Our core competencies focus on data center infrastructure, business continuity, data protection, service automation and orchestration, continuous intelligence, monitoring, connectivity, collaboration and cybersecurity. These practices are supported by our professional services, digital transformation services and financial services offerings. By providing custom solutions and services designed to fit your business needs, we enable your organization to be more agile, responsive and competitive. Technologent empowers your company to ascend to the next level in IT.

Headquartered in Irvine, CA, Technologent has offices throughout the US and proudly serves clients around the world. When partnering with Technologent, organizations benefit from the highest caliber of professionals, committed to delivering exceptional business outcomes backed by unmatched service and support.