Profile
Senior DBA with 11 years designing, securing, and optimizing enterprise relational and cloud databases across fintech and healthcare environments. Specializes in SQL Server, PostgreSQL, and Azure SQL, with a track record of cutting query latency and eliminating unplanned downtime. Holds an active Microsoft Certified: Azure Database Administrator Associate credential.
Work Experience
Senior Database AdministratorMar 2019 - Present
Vantara Financial Services, Austin, TX
- Redesigned index strategy across 14 production SQL Server 2019 databases, reducing average query execution time by 62% and eliminating two recurring timeout incidents that had cost the team ~40 engineer-hours per month.
- Architected and implemented an Always On Availability Group cluster spanning three data centers, achieving 99.997% uptime over 36 consecutive months and cutting RTO from 4 hours to under 8 minutes.
- Led migration of six on-premises SQL Server instances to Azure SQL Managed Instance, reducing licensing and infrastructure spend by $310,000 annually while improving automated backup coverage to 100% of production databases.
Database AdministratorJun 2015 - Feb 2019
Crestline Health Systems, Dallas, TX
- Administered 28 PostgreSQL 10/11 databases supporting EHR workloads for 1.4 million patient records, maintaining HIPAA-compliant encryption at rest and in transit with zero audit findings over four annual reviews.
- Automated routine maintenance jobs — VACUUM, ANALYZE, and statistics updates — via pgAgent scripts, reclaiming 18 hours of weekly DBA labor and reducing table bloat by 41% across the largest OLTP schemas.
- Optimized a critical nightly ETL pipeline by rewriting correlated subqueries as CTEs and adding partial indexes, cutting batch runtime from 5.5 hours to 47 minutes and enabling same-day reporting for clinical staff.
Junior Database AdministratorAug 2012 - May 2015
Nexbridge Solutions, Houston, TX
- Supported a 12-node MySQL 5.6 replication environment serving 3 million daily active users, responding to and resolving 95% of P1 incidents within a 30-minute SLA window.
- Built a centralized monitoring dashboard in Grafana backed by Prometheus exporters, surfacing slow-query counts and replication lag for six teams and reducing mean time to detect (MTTD) from 22 minutes to under 4 minutes.
- Documented 40+ runbooks for backup verification, failover procedures, and schema change workflows, cutting onboarding time for new DBAs from three weeks to eight days.
Skills
SQL Server 2016/2019 (T-SQL, SSMS, SSRS)PostgreSQL 12–15 (pgAdmin, pgBadger, pgAgent)Azure SQL Managed Instance & Azure Database for PostgreSQLMySQL / MariaDB replication and clusteringPerformance tuning: execution plans, index design, query rewritesHigh availability: Always On AG, log shipping, streaming replicationBackup & recovery: PITR, Ola Hallengren scripts, pg_basebackupMicrosoft Certified: Azure Database Administrator Associate (DP-300)Shell scripting (Bash/PowerShell) for automation and monitoring
