ELIAS DESALEGN
Database Administrator
Houston, TX 77063 832-***-****
**************@*******.*** linkedin.com/in/elias-desalegn
Experienced Database Administrator III with SQL Server expertise, specializing in HADR solutions, performance tuning, database replication, design, and stored procedures. Possess strong communication skills ensuring top-quality solutions and seamless database performance.
Work Experience
Database Administrator Aug 2021 - Present
US Venture Appleton
●Perform and maintain monthly refresh scheduled jobs from Cloud test to on-prem test.
●Experience working in Azure Cloud, DevOps, Azure Data Factory, Azure Data Lake Storage, and Azure Synapse Analytics.
●Experience in utilizing serverless SQL pools within Azure Synapse to query and analyze data on- demand without needing to provision or manage infrastructure.
●Utilized SolarWinds Monitoring in daily operations for tracking and resolving database issues promptly.
●Work closely with BI engineers, server team, and storage groups to ensure optimal performance and efficiency.
●Familiarity with implementing security best practices, including data encryption, authentication, and authorization within Azure Data Factory.
●Experience moving and transforming data within Azure Synapse, including data movement between data storage services and data transformation using SQL queries and data flows.
●Migration process Oracle database to SQL server database.
●Handled schema conversion and modification on Oracle queries to ensure compatibility with SQL
Server.
●Implemented efficient Recovery Plans to ensure minimal downtime and loss of information during
●unexpected events.
●Successfully tuned and optimized SQL queries, resulting in a 30% improvement in database. response times.
●Implemented indexing strategies that reduced query execution times and enhanced overall
system performance.
●Maintenance and provisioning of all internal environment and integration databases.
●Experience using third-party tools such as SQL Sentry for Performance tuning and optimization.
●Perform daily system health of the SQL server (space, CPU utilization, memory)
●Successfully addressed performance and scalability concerns during Oracle to SQL migration,
●Optimizing database structures and configurations to enhance system efficiency post-migration.
●Manage and optimize system storage with effective Capacity Planning, ensuring optimal performance of databases.
●Performed troubleshooting on SSIS Packages to quickly resolve any issues impacting database performance.
Database Administrator Mar 2018 - Aug 2021
Star Furniture Houston
●Troubleshooting system issues, resolving database-related incidents, attention to detail, and completing maintenance requests.
●Managed the migration process from on-premises into Azure SQL Database.
●Expert using third-party tools such as Lite Speed, Spotlight, and Redgate for tuning and optimization.
●Experienced in setting up and optimizing Access Controls for efficient database management.
●Extensively work with SQL Server Integration Services (SSIS) and SQL Server Reporting Services (SSRS)
●Managed MongoDB database instances, including installation, configuration, and maintenance to ensure high availability.
●Creating necessary T-SQL scripts, stored procedures, tables, views, functions, triggers, and indexes.
●Designed and implemented scalable NoSQL database solutions to support high-transaction applications.
●Migrated SQL servers from on-prem to Azure environments and AWS.
●Responsible for securing SQL Server, user management, and assigning permissions and roles.
●Implemented & managed database failover as well as load balancing technologies per client's request.
●Optimized database performance by revising and improving existing business processes
●Managed and maintained Database Security protocols to ensure safe storage of vital business information.
●Developing strategies in migrating older to newer SQL servers.
●Monitoring SQL Server CPU, memory, IO, disk spaces, and other resources
●Implemented & managed database failover as well as load balancing technologies per client's request.
●Optimized NoSQL databases for performance and scalability, resulting in a 30% increase in query speed.
●Developed data models and schemas for NoSQL databases to ensure data integrity and efficient storage.
●Responsible for troubleshooting all SQL Server database issues on production, UAT, and testing environments.
●Enhanced business operations by efficiently configuring, installing, and maintaining databases,
●As a Database Administrator, used data masking tools to safeguard private customer data and reduce the risk of unauthorized access.
●Utilized team collaboration in troubleshooting and resolving complex database issues.
Database Administrator Nov 2016 - Mar 2018
Wells Fargo Bank Austin
●SQL Server performance tuning and security management.
●Extensively worked on Dynamic Management Views (DMV).
●Performed regular audits, updates and troubleshooting on the Production Database to optimize its function and efficiency.
●Utilized Azure Cosmos DB SDKs and APIs to integrate Cosmos DB with various applications, enhancing data access and manipulation capabilities.
●Worked on Large Databases over 8TB for OLTP and OLAP using partitioning.
●Utilized XML format and a relational database to store and exchange data migration of SQL Server Databases to Microsoft Azure hosted DB's and managed instances.
●Created various SSIS, SSRS, and SSAS packages to serve company needs.
●Database monitoring, server performance tuning queries, and Stored procedures.
●Managing timelines, prioritizing workload, and supporting a team environment.
●Managed and maintained the company's Cloud Infrastructure, ensuring optimal performance of database systems.
●Coordinated with the offshore DBA Support Team on production support issues.
●Managed security by defining roles and rights.
●Performed Database Migration from On-Premises SQL environment to Azure Database in the cloud.
●Involved in the requirements gathering for new applications and projects.
●Tested programs and databases to identify issues and make necessary modifications.
●Offering flexibility for after-hours and weekend support.
Database Administrator Oct 2015 - Nov 2016
University of Washington Seattle
●Installed and configured with backup jobs, database mail, and configuration options.
●Demonstrating excellent customer service, communication, and organizational skills.
●Upgraded SQL Servers with the latest service packs, Ensuring high performance levels, availability, sustainability, and security.
●Applied Computer Science principles to solve complex database issues and enhance system performance.
●Utilized Power BI to automate database reports, significantly improving efficiency and accuracy in data management tasks.
●Managed and maintained the company's ERP systems, ensuring data accuracy and system efficiency.
●Monitored data activities like database status, log utilization, and long - running transactions.
●Implemented SQL standards in writing Stored Procedures, Triggers, Views, and SQL Functions.
●Applied strong networking expertise to maintain high availability of databases across multiple platforms
●Managed the Development and Maintenance of various databases to ensure optimal
●performance and data integrity in a multi-platform environment
●Implement many automated tasks, which have historically been done manually using PowerShell,
●Managed ETL tools to ensure accurate and timely data extraction, transformation, and loading.
●Hands-on Deploying a new code base released to UAT and Production Environments.
●Managed and facilitated data migration projects ensuring minimal downtime and loss.
●Implemented company-wide database policies and procedures, contributing to improved.
●Managed and optimized company's data using API to improve efficiency and performance.
●Enhanced organizational efficiency through the effective application of Data Privacy principles in managing large scale databases.
Database Administrator Oct 2013 - Sep 2015
Potomac Electric Power Company (PEPCO) Rockville
●Environment: MS SQL Server 2008R2/2012/2014, Windows Server 2012/2012 R2
●Worked extensively on monitoring the database and resolving all the production issues in
response to the alerts.
●Analyzed clustered/non-clustered index allocation and included columns, and optimization of
query plans.
●Troubleshoot hardware bottleneck, system issues and proactively monitoring the
performance of SQL Server databases.
●Experienced in creating a database with project specifications and maintaining them.
●Recovered the databases from backup in disasters. Implementing point-in-time recovery
solutions.
●Implemented SQL Logins, Roles, and Authentication mode as a part of security strategies for
several classifications of users.
●Performance tuning of long-running queries and stored procedures, using SQL Profiler,
server-side traces, Database Tuning Advisor, and query execution plans.
●Performed Export & Import data from Flat file, CSV file, Oracle, and Access to/from SQL
Server database using DTS, SSIS, and BCP.
●Managed a SQL Server Migration from 2008 to 2014 with no data loss within a short period of
time.
Core Skills
•Solar Winds, Idera, Cohesity, Avamar, Logic Monitor, • Azure SQL Database, • PowerApps, •, Azure Active Directory, • Azure Synapse Analytics, •Database systems, • Azure Data Lake, • Azure Data Factory, •Agile, DevOps, Jira, and Confluence, •Visual Studio Code, • T-SQL, PowerShell, • MS SQL 2008/ 2012/2014/2016/2019/2022
Education
Addis Ababa University, Ethiopia Jan 2009
Bachelor of Science Computer and Information Sciences
Languages
English (fluent)
Certificates
Microsoft Certified Database Administrator (MCDBA)
[Issuer]
Certified Azure Associate
[Issuer]