Senior SQL Server DBA - Infrastructure & Upgrades Expert

Marta Mezgebu

Senior Database Administrator

616-***-**** **************@*****.***

PROFESSIONAL SUMMARY

Senior SQL Server DBA and Infrastructure Engineer with 7+ years of hands-on experience onboarding, assessing, upgrading, and modernizing complex SQL Server estates in enterprise and regulated environments. Proven ability to independently discover undocumented SQL instances, engage application and infrastructure stakeholders, assess upgrade readiness, and execute SQL Server upgrades through SQL Server 2022. Trusted advisor with deep expertise in SQL Server 2012–2019, HA/DR architectures, backup and recovery, security hardening, monitoring, and enterprise standards alignment. Known for thriving in ambiguous environments, producing clear, defensible upgrade recommendations, and delivering production-ready documentation.

TECHNICAL SKILLS

Databases: SQL Server 2012–2022, DB2 LUW/DPF, PostgreSQL, MySQL, Oracle, Aurora, Cassandra, MongoDB,

Cloud & HA/DR: Azure SQL, Managed Instance, Always On AG, Failover Clustering, Log Shipping, Q-Replication, CDC

Backup & Recovery: Full/Diff/Log backups, restore validation, backup & DR runbooks, RPO/RTO planning (Veeam, Rubrik, CommVault)

Performance Optimization: Query tuning, indexing, statistics, DMVs, Execution Plans, PerfMon, Query Store, Monitoring.

Scripting & Automation: PowerShell, Bash/KSH, Python, Autosys Security & Compliance: TDE, SSL, native encryption, RCAC, data masking, access control

(HIPAA/SOX)

Tools & Platforms: SSMS, SSIS, Power BI, Redgate, IBM Data Studio, Linux, Windows Server, VMware, AD, PowerShell / Python / ARM / Bicep PROFESSIONAL EXPERIENCE

Senior Database Administrator Mar 2022 – Present

Pro Trans International Indianapolis, IN

Administer SQL Server 2016–2022 across Production, DR, Staging, & Development environments.

Support AWS-hosted SQL Server workloads on EC2 and RDS, including monitoring, patching, and capacity planning.

Perform day-to-day DBA operations, including executing production change tickets and maintenance activities.

Manage backup and recovery strategies, perform restore validation, and conduct DR testing.

Support Always On Availability Groups, clustering, and log shipping to ensure high availability.

Participate in 24x7 on-call rotation, responding to alerts related to availability, disk space, and performance issues.

Troubleshoot blocking, deadlocks, long-running queries, corruption, and storage bottlenecks.

Automate monitoring, maintenance, and alerting using PowerShell, reducing manual effort and operational risk.

Collaborate with Cloud Ops, application support, QA, and infrastructure teams during deployments and incident resolution.

Experienced with Azure SQL or cloud-based databases /AWS

Maintain technical documentation, runbooks, and operational procedures. SQL Server DBA / Multi-Platform DBA

Kaiser Permanente Oakland, CA Feb 2020 – Mar 2022

Supported SQL PostgreSQL across production and DR environments.

Implemented transactional replication and CDC for high-volume OLTP workloads.

Improved RPO/RTO resiliency through upgraded backup/restore workflows and DR scripting.

Performed advanced performance tuning with DMVs, indexing, and statistics optimization.

Troubleshot blocking, deadlocks, long-running queries, storage latency, and application slowness.

Automated repetitive DBA tasks using PowerShell, Bash, and Python.

Ensured database security compliance (HIPAA) via encryption, user governance, and auditing.

Partnered with application teams for release cycles, schema changes, and database improvements.

Provided technical guidance on architecture, replication, and capacity planning. SQL Server DBA

Capital One Bank McLean, VA Jan 2018 – Feb 2020

Installed, configured, and maintained SQL Server clusters, AGs, and standalone servers.

Executed database migrations and upgrades with minimal downtime across platforms and versions.

Automated maintenance, monitoring, patching, and backup processes using PowerShell and Bash.

Supported disaster recovery using AG failover, log shipping, clustering, and replication.

Resolved complex performance issues, blocking, I/O contention, and storage-level bottlenecks.

Worked closely with developers on stored procedures, T-SQL code reviews, and performance improvements.

Coordinated change windows, testing plans, rollback strategies, and stakeholder communications across application, infrastructure, and business teams.

Performed post-upgrade validation, including HA/DR testing, backup verification, monitoring checks, and security confirmation.

EDUCATION & CERTIFICATIONS

Bachelor’s Degree, WES Certified 2024 (Ethiopia, 2016)

AWS Certified Cloud Practitioner (CLF-C02)

SQL DBA Azure AI Career Empowerment Training

KEY HIGHLIGHTS

SQL Server & DB2 Administration (LUW, DPF, HADR, Always On)

Enterprise backup/restore, DR, RPO/RTO planning

Query tuning, WLM policies, index optimization, large data workloads

PowerShell, Python, Shell scripting & automation

Data security: TDE, SSL, RCAC, masking, access control

Multi-platform experience (Linux/Windows, VMware, Active Directory)

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