Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Yidnek Mamo

Columbia,Maryland

Summary

Accomplished SQL Server DBA with 10+ years of experience in performance tuning, HADR, and cloud deployments (Azure, AWS, GCP). Skilled in BI/reporting (Power BI, SSIS, ADF), implementing multi-DBMS solutions (PostgreSQL, Oracle, MySQL), and ensuring compliance through automation, security, and regulatory controls.

Overview

11
11
years of professional experience
1
1
Certification

Work History

SQL Database Administrator

Molina Healthcare
06.2022 - Current
  • Supported over 1,000 SQL Server production and non-production instances, managing databases as large as 30 TB, and ensuring optimal performance across 20+ mission-critical applications.
  • Collaborated with cross-functional teams (DevOps, BI, and App Developers) to streamline database operations and improve deployment efficiency by 35%.
  • Engineered cross-database replication across SQL Server, MySQL, Oracle and PostgreSQL, achieving seamless synchronization and system-wide data consistency.
  • Deployed SQL Servers on Azure VMs, SQL managed instances, and Azure SQL Database, boosted operational efficiency by 30% and enhanced scalability by 35%.

SQL Database Administrator

Wells Fargo
09.2018 - 05.2022
  • Automated tasks with T-SQL, PowerShell, and SQL Server Agent, optimizing performance and enabling proactive monitoring, resulting in 95% efficiency.
  • Executed SQL Server 2016, 2017, and 2019 versions upgrade and migration projects to AWS EC2, enhancing system reliability by 25% and reducing operational costs by 15%.
  • Crafted backup and restore strategies with RPO/RTO for SQL databases on AWS S3, Azure Blob storage, and Data Domain, boosting data resilience by 40%.
  • Enhanced data processing efficiency by contributing to the design and deployment of SSIS/ETL, SSRS, and SSAS, achieving a 30% reduction in processing time.

SQL Database Administrator

CVS Health
02.2014 - 09.2018
  • Configured Failover Clustering, Always On AG, Replication, Log Shipping, Mirroring; ensured 99.9% uptime and improved system resilience.
  • Secured data with TDE, Always Encrypted, Dynamic Data Masking, Auditing, patching and Access Control; achieving 100% compliance and reducing data breaches by 35%.
  • Optimized tables, triggers, functions, views, indexes, statistics, and stored procedures; increased system efficiency and database performance by 30%.

Education

Bachelor of Science - Mangement Information Systems

AAU
07-2013

Skills

    Performance Tuning Backup/RecoveryHADR
    Upgrade/Migrations Database Design
    Azure AWS GCP
    PowerShell T-SQL DevOps (CI/CD)
    BI / ETLSSIS, SSRS, SSAS Power BI ADF
    SQL PostgreSQLOracle MySQLAWS RDS
    Auditing TDE GDPR HIPAA SOX

    Troubleshooting Root Cause Analysis

Certification

DP-300: Azure Database Administrator Associate | AWS Cloud Practitioner | GCP: Intro to Generative AI

Timeline

SQL Database Administrator

Molina Healthcare
06.2022 - Current

SQL Database Administrator

Wells Fargo
09.2018 - 05.2022

SQL Database Administrator

CVS Health
02.2014 - 09.2018

Bachelor of Science - Mangement Information Systems

AAU