Freelance Oracle Performance Tuning Jobs in Virginia

MBA Consulting Services, Inc. (MBA CSi) is seeking an experienced Senior Oracle Database Administrator (Oracle DBA) to support the United States Postal Service (USPS) Engineering organization in Merrifield, VA. In this role, you will be responsible for designing, securing, optimizing, and maintaining enterprise Oracle database environments that support mission-critical applications and services used across one of the nation's largest organizations.

Working alongside software developers, system administrators, and engineering teams, you'll play a key role in ensuring the reliability, performance, and security of USPS database infrastructure. This position offers the opportunity to work with enterprise-scale Oracle technologies, including Oracle 21c, RAC, Data Guard, RMAN, and advanced performance tuning, while supporting complex federal technology initiatives.

This is an outstanding opportunity for an experienced Oracle DBA seeking to contribute to high-impact federal programs while expanding their expertise in enterprise database architecture, performance optimization, and mission-critical infrastructure. The position is located onsite at the USPS Engineering Headquarters in Merrifield, VA.

Responsibilities

• Design, implement, and maintain secure, scalable Oracle 21c database environments.
• Develop logical and physical database architectures that maximize performance, scalability, and maintainability.
• Create and optimize database schemas, tables, indexes, partitions, and storage strategies.
• Install, configure, patch, upgrade, and administer Oracle Database 21c environments.
• Design, implement, and support Oracle RAC, Data Guard, and RMAN backup and recovery solutions.
• Analyze database performance and implement tuning strategies for high-volume enterprise applications.
• Monitor database health, capacity, and system performance while recommending infrastructure improvements.
• Troubleshoot database, application, and infrastructure issues in collaboration with development and system administration teams.
• Support data migration, ETL/data loading, import/export, and data transformation activities.
• Analyze SQL execution plans and optimize complex queries for maximum performance.
• Serve as the Oracle database subject matter expert throughout the software development lifecycle.
• Document database configurations, standards, and best practices to support operational excellence.

Requirements

Basic Qualifications

•  5+ years of hands-on Oracle Database Administration experience in Oracle 21c.
• Experience administering Oracle 21c Multitenant architecture, including Container Databases (CDB).
• Strong PL/SQL and SQL development, troubleshooting, and performance-tuning experience.
• Hands-on experience with Oracle RAC, Data Guard, RMAN, backup/recovery, and high availability.
• Strong experience with Oracle performance tuning, SQL execution plans, indexing, partitioning, and database optimization.
• Experience administering Oracle databases on Microsoft Windows Server environments.
• Experience with IBM BigFix for endpoint/server patching, software deployment, compliance, and infrastructure management.
• Experience with Oracle Data Pump, ETL/data migration, and database loading.
• Ability to troubleshoot database, application, and Windows infrastructure issues and work effectively with development and systems administration teams.

Preferred Qualifications

• Experience supporting large-scale federal government or enterprise database environments.
• Demonstrated experience supporting mission-critical, high-availability Oracle database infrastructures.
• Proven success designing and implementing enterprise database architecture and performance optimization strategies.
• Experience collaborating with cross-functional software development, infrastructure, and engineering teams.
• Ability to demonstrate recent Oracle database administration projects, technical accomplishments, or enterprise implementations.
• Oracle Database certifications are a plus.

"MBA CSi is an Equal Opportunity, Affirmative Action Employer. Women, Minorities, Veterans, and individuals with disabilities are encouraged to apply."

EOE - Minority/ Female/ Veteran/ Disabled

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (Safe Harbor 401k)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Short Term & Long Term Disability
• Training & Development