BARESI PENKA
Houston
Summary
Results-driven Microsoft SQL Server Database Administrator experienced in administering and optimizing enterprise SQL Server environments for mission-critical applications. Managed SQL Server 2000–2022 environments, implementing High Availability and Disaster Recovery solutions, and enhancing performance through query optimization and automation. Collaborated with cross-functional teams to deliver reliable database solutions, ensuring security and operational continuity.
Overview
1
1
Certification
6
6
years of professional experience
Work History
Microsoft SQL Server Database Administrator
Eagle Analytical Services
Houston
01.2026 - Current
- Administer and maintain SQL Server databases supporting Laboratory Information Management Systems (LIMS) and pharmaceutical applications.
- Install, configure, patch, upgrade, and monitor SQL Server instances across production and non-production environments.
- Perform database backups, restores, integrity checks, and maintenance to ensure high availability and data integrity.
- Monitored database performance using DMVs, Extended Events, and SQL Server tools to identify and resolve performance issues, ensuring system responsiveness.
- Optimized queries, indexes, execution plans, and database configurations to enhance application performance and reduce latency.
- Develop PowerShell and T-SQL scripts to automate routine database administration tasks.
- Implement database security by managing logins, users, roles, permissions, and auditing.
- Collaborated with developers and infrastructure teams to support deployments, troubleshoot issues, and ensure system reliability.
SQL Server Database Administrator
Amazon
Brookshire
08.2021 - 12.2025
- Administered Microsoft SQL Server 2000–2022 database environments supporting enterprise production, development, quality assurance, and disaster recovery systems.
- Installed, configured, patched, upgraded, and maintained SQL Server instances while ensuring maximum availability and minimal downtime during maintenance windows.
- Coordinated High Availability solutions to ensure continuous database operations. and Disaster Recovery (HA/DR) solutions including Always On Availability Groups, Windows Server Failover Clustering (WSFC), Log Shipping, Transactional Replication, and Database Mirroring.
- Performed data backup procedures to secure database information., recovery, disaster recovery testing, and SQL Server migrations to ensure data integrity and system reliability.
- Enhanced database performance through query optimization, index tuning, execution plan adjustments, and resolution of blocking and deadlocks.
- Monitored SQL Server health utilizing SSMS, SQL Profiler, Extended Events, DMVs, Foglight, and SolarWinds DPA to proactively identify and address issues.
- Automated routine administration using PowerShell, T-SQL, SQL Server Agent jobs, and maintenance plans.
- Worked with developers and infrastructure teams to support production deployments and provide 24/7 database support.
SQL Server Database Administrator
PLS Financial Services
Chicago
06.2020 - 07.2021
- Administered Microsoft SQL Server databases for financial applications, ensuring availability, reliability, and performance across multiple environments.
- Migrated on-premises SQL Server databases to Microsoft Azure SQL using Microsoft Data Migration Assistant while validating data integrity and minimizing application downtime.
- Configured and maintained High Availability and Disaster Recovery solutions including Always On Availability Groups, Windows Server Failover Clustering (WSFC), Log Shipping, Replication, and Database Mirroring.
- Optimized database performance through query tuning, index maintenance, and execution plan analysis.
- Performed installations, patching, backups, restores, and routine database maintenance.
- Managed database security, user access, and permissions following organizational standards.
- Assisted infrastructure and application teams during database migrations, production deployments, and server upgrade projects.
- Investigated production issues, conducted root cause analysis, and implemented corrective actions, enhancing database stability and application performance.
- Maintained database documentation, operational procedures, and disaster recovery plans, ensuring compliance with organizational standards and operational continuity.
Education
Bachelor of Science - Computer Science
University of Buea
Buea, CameroonSkills
- Database administration
- SQL performance tuning
- Disaster recovery management
- Database security implementation
- Cloud migration strategies
- High availability solutions
- Cloud database management
- Database management documentation
- Problem solving
- Windows Server Failover Clustering (WSFC)
- Point-in-Time Recovery
- Blocking & Deadlock Troubleshooting
- SQL Server Management Studio (SSMS)
- Azure Virtual Machines
- High Availability & Disaster Recovery (HA/DR)
- Always On Availability Groups
- SQL Server Upgrades & Patching
Certification
- Scrum Fundamentals Certified(SFC)
- Project Management Essentials Certified(PMEC)
- Six Sigma Yellow Belt(SSYBP)
- Microsoft Azure Database Administrator Associate- in Progress
Timeline
Microsoft SQL Server Database Administrator
Eagle Analytical Services
01.2026 - Current
SQL Server Database Administrator
Amazon
08.2021 - 12.2025
SQL Server Database Administrator
PLS Financial Services
06.2020 - 07.2021
Bachelor of Science - Computer Science
University of Buea