Database Engineer; Mid

Location:

Washington, DC Public Trust Clearance Job Description

This role (Mid-Level MySQL and Postgre

SQL 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 Postgre

SQL ecosystems.

• Assist in driving, standardizing, and managing a unified Configuration Management database.
• Install, configure, and manage Oracle, MySQL, and Postgre
  
  SQL 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.

• Certified in Oracle, MySQL, and Postgre
  
  SQL database administration.
• Strong knowledge of AWS database services, including RDS, EC2‑hosted databases, and related cloud concepts.
• Expertise in managing Oracle, MySQL, and Postgre
  
  SQL 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.

• Install, configure, and manage Oracle, MySQL, and Postgre
  
  SQL 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,…