Summary

Mission-critical Database Administrator with 7+ years of experience designing, optimizing, and securing enterprise relational and NoSQL database environments. Specialized in PostgreSQL, MySQL, Microsoft SQL Server, and Oracle across hybrid cloud and on-premises deployments. Proven track record of guaranteeing 99.999% data availability, reducing high-volume query latency by 65%, executing zero-loss disaster recovery operations, and leading seamless migrations of multi-terabyte databases to AWS and Azure cloud platforms.

Work experience

Senior Database Administrator

Sep 2022 - Present

Horizon Financial Tech

• Phoenix, AZ

- Administer and maintain 120+ production PostgreSQL, Microsoft SQL Server, and AWS Aurora database instances supporting $200M+ in daily transactional volume. - Redesigned indexing strategies, partition schemes, and buffer pool parameters, reducing average query execution times by 65% and eliminating peak-hour deadlocks. - Configured and managed high-availability (HA) clusters using PostgreSQL Patroni with etcd, delivering automated failovers in under 15 seconds with 99.999% uptime. - Led the migration of 18TB of on-premises SQL Server workloads to AWS RDS and Aurora with only 12 minutes of scheduled maintenance window downtime. - Automated daily backup verification, index defragmentation, and database maintenance jobs using Python and Ansible, saving 12 manual hours weekly. - Enforced TDE, audit logging, and least-privilege RBAC controls, ensuring 100% compliance during annual SOC 2 Type II and PCI-DSS external audits.

Junior Database Administrator

Jul 2018 - May 2019

Ironclad Enterprise Systems

• Salt Lake City, UT

- Monitored database disk growth, connection pool saturation, and error logs across 40+ internal SQL Server environments. - Created and tested automated backup schedules (full, differential, and transaction log) and handled database refreshes for staging and QA environments. - Documented standard operating procedures (SOPs), user onboarding checklists, and disaster recovery step-by-step documentation.

Projects

Zero-Downtime Multi-Region Database Replication Architecture

Jan 2022 - Dec 2022

Architect

Architected active-passive multi-region PostgreSQL read replicas using logical replication and PgBouncer connection pooling, lowering cross-region reporting latency by 70%.

Automated Database Health & Slow Query Sentinel

Jan 2022 - Dec 2022

Developer

Built a lightweight Python daemon that analyzes slow-query logs every hour, correlates top wait events, and posts actionable tuning recommendations directly to the engineering team's Slack channel.

Skills

PostgreSQLMySQLMicrosoft SQL ServerOracleMongoDBRedisCassandraDynamoDBAWS RDSAWS AuroraAzure SQL Managed InstanceGoogle Cloud SQLPythonBashPowerShellAnsibleTerraform

Certifications

AWS Certified Database – Specialty

Jan, 2023

Amazon Web Services

Microsoft Certified: Azure Database Administrator Associate (DP-300)

Jan, 2023

Microsoft

Oracle Certified Professional (OCP) - Database Administrator

Jan, 2023

Oracle

Education

Bachelor of Science in Information Technology / Database Management

Jan 2014 - Dec 2018

Arizona State University