Database Administrator

Robert Half • Saint Augustine, FL • 13h ago

Description We are looking for an experienced Database Administrator to join our team in St. Augustine, Florida. This long-term contract role focuses on managing and optimizing MySQL databases while ensuring security, scalability, and performance across infrastructure and database layers. The ideal candidate will have a strong understanding of architecture, security engineering, and Linux-based systems, combined with a proactive approach to problem-solving.

Responsibilities:

Monitor system resources, including memory and disk I/O, to identify potential bottlenecks and recommend hardware upgrades or resizing as needed.

Configure and optimize Linux kernel settings and storage parameters to improve MySQL database performance.

Design and implement high availability and disaster recovery solutions, such as Group Replication or InnoDB Cluster, to meet recovery objectives.

Perform database tuning by adjusting variables like buffer pool size, max connections, and thread caches to minimize latency.

Enforce role-based access control and connection security measures to ensure compliance with cybersecurity frameworks.

Configure audit logs to monitor database activity and identify security anomalies.

Develop automated maintenance processes for backups, log rotations, and statistics gathering.

Provide expert guidance on schema design, including normalization and denormalization strategies for optimal data structure efficiency.

Analyze slow query logs to identify indexing opportunities and optimize query performance.

Advise on implementing data integrity measures like foreign keys, triggers, and constraints to ensure consistent data validation. Requirements

Proficiency in MySQL database administration and performance tuning.

Strong knowledge of Linux systems, including kernel configuration and storage optimization.

Experience with designing and implementing high availability and disaster recovery solutions.

Expertise in role-based access control and database security practices.

Ability to analyze query performance and optimize indexing strategies.

Knowledge of schema design principles and data structure optimization.

Understanding of database auditing and monitoring techniques.

Technology Doesn't Change the World, People Do.®

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

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