Mid-Level MySQL and PostgreSQL DBA

Mid-Level MySQL and PostgreSQL DBA

100% ONSITE New Jersey Ave Washington DC 20590 (5 days per week)
Start Date- 1/19/2026
Per Federal contract U.S. Citizenship or Greencard Required
Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance
$33.69/hr (or $64K with benefits)

Job Description

Mid-Level MySQL and PostgreSQL DBA is responsible for ensuring the reliability, security, and optimal performance of database systems across open-source environments. The DBA supports application development teams, automates database operations, performs regular maintenance, and troubleshoots complex database issues. This role requires hands‑on experience managing production databases, with a strong understanding of both MySQL and PostgreSQL ecosystems.

Job Description and Duties

• Assist in driving, standardizing, and managing a unified Configuration Management database.


• Install, configure, and manage Oracle, MySQL, and PostgreSQL databases on Linux, Windows, and AWS platforms.


• Set up new databases, servers, and related infrastructure in both cloud and on-premises environments.


• Manage replication, clustering, and high availability configurations to ensure reliability and uptime.


• Perform database performance tuning, identify root causes of critical issues, and recommend optimization strategies.


• Apply Quarterly Patch Set Updates (PSUs) for Oracle and MySQL on AWS EC2 and other supported platforms.


• Plan and perform database upgrades, patches, migrations, and refreshes as needed.


• Support database modernization and AWS DMS initiatives in collaboration with the development team.


• Monitor database metrics and system performance, proactively addressing bottlenecks or failures.


• Configure and verify database backups, ensuring successful completion within defined SLAs.


• Support monthly SAFER baselines and SMS baseline activities, including instance snapshot creation.


• Perform regular maintenance tasks such as index rebuilds, statistics updates, and integrity checks.


• Troubleshoot database performance issues, slow‑running queries, and deadlocks using native tools.


• Manage user accounts, roles, and permissions, maintaining security and access controls across all environments.


• Implement and monitor database security, including vulnerability remediation, encryption, and audit logging.


• Participate in failover, disaster recovery (DR), and backup validation testing.


• Provide on‑call production support outside business hours (primarily for SFI‑related incidents).


• Conduct AWS R&D tasks for new initiatives and automation improvements.


• Maintain comprehensive documentation for database environments, configurations, and maintenance activities.


• Generate performance reports, growth trend analyses, and usage statistics.


• Collaborate closely with application, infrastructure, and security teams to ensure smooth operations and system upgrades.

Required Education and Experience

• Certified in Oracle, MySQL, and PostgreSQL database administration.


• Strong knowledge of AWS database services, including RDS, EC2‑hosted databases, and related cloud concepts.


• Expertise in managing Oracle, MySQL, and PostgreSQL databases on Linux and Windows platforms.


• Proficiency in database installation, configuration, optimization, tuning, and maintenance.


• Experience with database backup, restore, and disaster recovery strategies, including failover testing.


• Ability to troubleshoot database performance issues, analyze execution plans, and optimize queries.


• Knowledge of database security best practices, including encryption and access control.


• Familiarity with monitoring tools and automating database maintenance tasks.


• Experience supporting production databases with on‑call responsibilities.


• Strong collaboration and communication skills to work effectively with application, infrastructure, and operations teams.

Preferred skills and qualifications

• Install, configure, and manage Oracle, MySQL, and PostgreSQL databases on Linux and Windows platforms.


• Deploy and manage databases on AWS (RDS, EC2) and on‑premises environments.


• Facilitate database migrations, upgrades, backups, and restores.


• Administer user access and manage roles/permissions based on project requirements.


• Monitor database health, proactively rebuild indexes, and perform routine maintenance tasks.


• Troubleshoot performance issues, optimize SQL queries, and analyze execution plans for slow queries.


• Configure database security measures, including encryption, user access policies, and compliance standards.


• Participate in failover and disaster recovery testing, providing recommendations and solutions.


• Support on‑call duties to resolve production issues promptly.


• Participate in monthly database maintenance, patching, and updates.


• Collaborate with teams to ensure smooth deployments, system upgrades, and migrations.


• Maintain proper documentation for database operations, maintenance activities, and incident reports.

Note: Candidate must be a U.S. citizen or green card holder who has resided in the U.S. for at least 3 years and the ability to obtain a public trust.

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