Sql Server Database Administrator

TSEHAY GEBREANANIA

720-***-**** *************@*****.***

www.linkedin.com/in/tsehay-gebreanania-8ab526357 Aurora, Colorado Green Card Holder

PROFESSIONAL SUMMARY

Skilled SQL Server Database Administrator with over seven years of experience supporting on-premise, hybrid, and cloud-based SQL Server environments (AWS and Azure). Strong background in high availability, disaster recovery, performance tuning, system upgrades, and automation. Proficient with SQL Server 2012–2019, Azure SQL, Oracle RAC, PostgreSQL, and Sybase. Known for delivering secure, scalable, and high-performing data solutions through cross-functional collaboration and initiative-driven work. KEY SKILLS

● Database Installation and Configuration

● Performance Tuning and Query Optimization

● High Availability (HA) and Disaster Recovery (DR)

● Cloud Migration (Azure VM, Azure SQL Database, Azure SQL Managed Instance, AWS EC2/RDS)

● Backup and Recovery Strategies

● Replication and Data Synchronization

● Security and Access Control

● Capacity Planning and Monitoring

● Automation with PowerShell and T-SQL

● Database Management and Maintenance Plans

● Application Development Support and Code Review

● Database Design and Modeling

● Performance Tuning and Troubleshooting

● ETL Processes (SSIS) and Reporting (SSRS, SSAS)

● Cross-platform Database Support (SQL Server, Oracle RAC, PostgreSQL, Sybase)

● Excellent problem-solving and communication skills

● Agile Methodology and On-call Support

EDUCATION

Bachelor’s Degree

PROFESSIONAL EXPERIENCE

SQL Server Database Administrator

Children's Hospital Colorado Aurora, Colorado April 2022 – Present

● Configured and migrated SQL Server databases to AWS EC2 and RDS for scalability and performance

● Upgraded legacy systems to SQL Server 2016 and 2019, improving compatibility and reliability

● Designed and implemented HA/DR solutions: AlwaysOn AGs, Distributed AGs, clustering, and replication

● Refactored slow-performing queries, procedures, and jobs, reducing latency significantly

● Administered SQL Server replication for OLTP to reporting syncs, enabling real time analytics

● Managed backups, restores, index maintenance, and security configuration

● Automated routine tasks and backups with PowerShell and SQL Agent jobs

● Automated routine tasks and developed clear SOPs and documentation to streamline database operations

● Supported database design, logical/physical modeling, and integrated with development pipelines

● Conducted performance trend analysis and tuning using indexing and partitioning strategies

● Built SSIS packages for ETL and developed reports using SSRS/SSAS for business intelligence

● Maintained compliance, encryption, and access control across hybrid and cloud platforms

● Ensured disaster recovery readiness with database mirroring, log shipping, and monitoring tools

● Resolved high impact issues across SQL Server and Sybase environments, including replication lags

● Led Agile based initiatives for data driven application rollouts and migrations

● Reduced SQL query execution time by 40 percent through index tuning and refactoring

● Migrated over 50 databases to AWS RDS with zero data loss, improving scalability and reducing costs

SQL Server Database Administrator

T-Mobile Boulder, Colorado May 2018 – March 2022

● Integrated SQL Server with web servers, middleware, and OLAP platforms for streamlined processing

● Upgraded SQL Server 2005/2008R2 to modern versions, enhancing system performance and support

● Designed backup strategies aligning with RTO/RPO goals using native tools

● Automated backup and restore operations for non-prod refreshes, minimizing manual work

● Applied best practices for database security, access management, and compliance readiness

● Installed service packs and maintained patched SQL Server environments

● Implemented continuous monitoring to ensure system availability and integrity

● Improved disaster recovery readiness by redesigning backup strategy to meet 15-minute RTO and 1-hour RPO targets

● Integrated Dynamics CRM with SQL Server to improve data accuracy and reduce reporting discrepancies by 30 percent

● Automated routine tasks and developed clear SOPs and documentation to support operational efficiency

Contact this candidate