Senior Lead DBA – Oracle/SQL & Enterprise Platforms

American IT Systems; Dallas (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

American IT Systems in Dallas, TX seeks a Lead DBA with 15+ years of experience to design, implement, and optimize enterprise databases across Oracle, SQL Server, PostgreSQL, MySQL and cloud environments. You will drive performance improvements and ensure data security for critical systems.

The role requires hands-on expertise with multiple databases, strong leadership, and collaboration with development, operations, and security teams to deliver scalable data services and reliable architectures.

Qualifications

• 15+ years of experience managing enterprise database platforms.
• Deep knowledge of Oracle, SQL Server, PostgreSQL, MySQL and cloud databases.
• Strong in performance tuning and security practices.
• Experience with data modeling and database design.

Responsibilities

• Assess database performance
• Implement security measures for computer or information systems
• Develop computer or information security policies or procedures
• Update computer database information
• Create databases to store electronic data
• Set database parameters or specifications
• Write computer programming code
• Develop guidelines for system implementation
• Develop performance metrics or standards related to information technology
• Coordinate project activities with other personnel or departments
• Read documents to gather technical information
• Estimate time or monetary resources needed to complete projects
• Train others in computer interface or software use
• Coordinate software or hardware installation
• Develop detailed project plans
• Analyze data to identify trends or relationships among variables
• Analyze market or customer related data
• Develop models of information or communications systems

Skills

Database management

Performance assessment

Security practices

Project coordination

Data analysis

Tools

Oracle

SQL Server

PostgreSQL

MySQL

Cloud databases

MongoDB

Job description

American IT Systems in Dallas, TX seeks a Lead DBA with 15+ years of experience to design, implement, and optimize enterprise databases across Oracle, SQL Server, PostgreSQL, MySQL and cloud environments. You will drive performance improvements and ensure data security for critical systems.

The role requires hands-on expertise with multiple databases, strong leadership, and collaboration with development, operations, and security teams to deliver scalable data services and reliable architectures.