
Yene Mulugeta
Verified Expert in Engineering
Data Engineering, DBA, and Developer
Richmond, TX, United States
Toptal member since June 10, 2025
Yene is a data and Power Platform professional with 12+ years of experience in SQL Server, performance tuning, and high availability. She builds scalable solutions using Power Apps, Power Automate, and Power BI to streamline processes and improve reporting. Yene excels at translating business needs into efficient systems, ensuring data integrity, security, and optimized performance across on-prem and cloud environments.
Portfolio
Experience
- SQL - 12 years
- Patches & Updates - 11 years
- Row-level Security (RLS) - 8 years
- Microsoft Power Apps - 6 years
- Microsoft Power BI - 6 years
- Amazon S3 (AWS S3) - 5 years
- Amazon RDS - 5 years
- SQL Server Integration Services (SSIS) - 4 years
Preferred Environment
Amazon RDS, Microsoft Power BI, Microsoft Power Apps, SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), Server Backups, High Availability Disaster Recovery (HADR), SQL, Microsoft Copilot, SharePoint 365
The most amazing...
...project I've led is a near-zero downtime SQL Server migration to Amazon RDS, which boosted performance and resilience for a high-traffic healthcare application.
Work Experience
Senior Power Apps & Power BI Developer
LSG Educational Services LLC
- Developed and enhanced a Microsoft Power Apps scheduling system to manage classes, instructor assignments, and student sessions across multiple locations.
- Optimized application performance by refactoring data models and restructuring back-end tables, reducing lag and improving overall system responsiveness.
- Identified and resolved workflow and status tracking issues, ensuring accurate updates for class scheduling, attendance, and session completion.
- Implemented role-based access control, enabling instructors and staff to securely view and manage only their assigned classes and schedules.
- Designed and built interactive dashboards and reports to track instructor performance, class utilization, and student engagement metrics.
- Led the transition from a manual or legacy scheduling process to a centralized Power Apps solution, improving efficiency, reducing errors, and enhancing user experience.
Business Analyst
The Cigna Group
- Configured and governed Microsoft 365 Copilot access across SharePoint and OneDrive, enabling secure, AI-driven insights by aligning sensitivity labels, metadata structures, and access policies.
- Integrated SQL Server (2014-2022) data into business workflows by designing and maintaining ETL pipelines, optimizing performance, and automating maintenance using PowerShell and dbatools.
- Leveraged Microsoft Graph API and SharePoint REST services to extend Copilot’s functionality, enabling dynamic content retrieval and enhancing user productivity across data sources.
- Built and supported Power Apps and Power Automate flows that connected SQL Server data with Microsoft 365 services, embedding Copilot prompts and actions into business processes.
- Administered high-availability SQL Server environments, implemented disaster recovery strategies, and enforced security via role-based access and Active Directory integration.
- Acted as a technical advisor on Copilot deployments, collaborating with cross-functional teams to ensure proper data governance, tenant configuration, and operational readiness.
- Led near-zero downtime migration of legacy SQL Server databases to AWS RDS, reducing maintenance overhead by 40% and improving query performance across clinical systems.
- Implemented role-based access control and AD group authentication to align with security and audit requirements across SQL Server databases.
Excel Developer
Gregory Edwards, LLC
- Developed an Excel VBA that calculates commission for each sales representative.
- Developed a VBA that calculates the claw-backs for unpaid invoices.
- Created a VBA that gives a list of products that were sold in each month. Alongside it, I was able to create a Pivot table that can be used to filter by season, sales representative, or region.
Database Administrator/Data Analyst
HairClub
- Administered Microsoft SQL and Oracle databases supporting critical business applications, maintaining 99.9% uptime and ensuring uninterrupted service delivery.
- Implemented successful installations, configurations, and version upgrades of SQL Server and Oracle databases, reducing downtime and improving system stability.
- Resolved high-impact production issues and improved performance by 20% through query optimization, index tuning, and fine-tuning server configurations.
- Automated routine database tasks by developing custom PowerShell and PL/SQL scripts, reducing manual effort and increasing operational efficiency.
- Implemented proactive monitoring tools across SQL Server and Oracle environments, enabling early issue detection and reducing incident response time.
- Managed high availability and disaster recovery solutions, including SQL Server Always On Availability Groups and Oracle Data Guard, ensuring business continuity.
- Delivered 24/7 on-call support, rapidly diagnosing and resolving urgent database incidents to maintain SLAs and reduce downtime impact.
- Administered Oracle schemas, instances, and tablespaces, and executed RMAN backup strategies, ensuring secure, restorable environments across platforms.
Database Administrator
Cedar Gate Technologies
- Optimized Microsoft SQL Server and Oracle database performance, significantly improving application response times through advanced query analysis, index tuning, and server configuration changes.
- Automated backup, restore, and maintenance processes by writing robust PowerShell and PL/SQL scripts, reducing manual errors and improving operational efficiency.
- Executed successful large-scale migrations from legacy systems to modern Microsoft SQL and Oracle platforms, ensuring 100% data integrity and near-zero downtime.
- Designed and implemented high-availability architectures, including replication, clustering, and Oracle Data Guard, enhancing system resilience and failover readiness.
- Performed routine database audits, proactively identifying and resolving performance bottlenecks in Microsoft SQL and Oracle environments to maintain peak efficiency.
- Delivered rapid resolution during 24/7 on-call support rotations, minimizing production downtime and maintaining service continuity across mission-critical systems.
- Managed and maintained Oracle instances, schemas, and tablespaces, and configured RMAN backup and recovery strategies to ensure data protection and disaster readiness.
SQL Server Database Administrator
Keane Frac
- Installed and configured SQL Server 2008 R2 to 2017 environments, implementing performance tuning techniques that improved query response times by up to 35%.
- Enhanced database availability and reduced downtime risks by deploying optimized server configurations and proactive maintenance strategies.
- Strengthened security by managing SQL user logins, roles, and permissions, leading to a 50% reduction in access-related support tickets.
- Resolved complex security and access issues through role-based permission tuning, ensuring audit compliance and improving system stability.
- Designed and executed backup and disaster recovery strategies that achieved near-zero data loss objectives and passed all internal audits.
- Automated backup verification and alerting, reducing manual oversight and ensuring 100% recoverability across critical databases.
- Collaborated with development teams to identify and resolve database bottlenecks, contributing to a smoother application rollout and a 20% increase in end user satisfaction.
SQL Server Database Administrator
InterLinc Mortgage Services
- Headed end-to-end migration from SQL Server 2008 R2 to 2014, completing the upgrade with zero unplanned downtime and improved system compatibility.
- Ensured high availability during migration by implementing robust testing and rollback procedures, resulting in a seamless transition for end users.
- Improved system reliability by 50% through consistent database maintenance, including index tuning, integrity checks, and scheduled backups.
- Boosted database security by managing SQL user logins and roles, reducing unauthorized access attempts and enhancing audit readiness.
- Achieved top SOX audit scores by enforcing strict role-based access controls and documenting all permission changes and account activities.
- Optimized database performance through query tuning and resource monitoring, leading to a 30% reduction in user-reported latency issues.
- Designed and maintained disaster recovery and restore procedures, ensuring full recovery readiness and minimizing business risk.
- Streamlined backup operations by implementing automated job schedules and alerts, increasing backup reliability and reducing manual effort.
- Monitored and analyzed performance trends using native SQL tools, proactively resolving bottlenecks and improving system responsiveness.
Experience
Microsoft Power Apps Solution
To further optimize operations, I integrated Power Automate workflows to handle notifications, status updates, and approvals, reducing manual intervention. I improved application performance by restructuring the data model and optimizing back-end data handling. Additionally, I collaborated with stakeholders to gather requirements and continuously enhance features, delivering a scalable and reliable solution that supported both administrative and operational needs.
Built Multiple Dashboards
SQL Server Modernization in Healthcare
The project delivered a 40% improved database performance, reduced operational overhead, and enhanced overall system resilience and reporting capabilities.
Power BI Dashboard
Education
Bachelor's Degree in Accounting
University of Houston-Downtown (UHD) - Houston, TX, USA
Skills
Libraries/APIs
QuickBooks API, Power BI REST APIs, PySpark, ODBC, Google My Business API, REST APIs, Yelp API, Fabric
Tools
Microsoft Power BI, Microsoft Power Apps, Redgate, Redgate SQL Compare, GitHub, Microsoft Copilot, Tableau, Microsoft Excel, Microsoft Visual Studio, Oracle Application Express (APEX), Power BI Report Server, Power Query, Logging, AWS Glue, Microsoft Access, Azure Monitor, BigQuery, Jupyter, Looker, Acumatica, Hotjar, Microsoft Team Foundation Server, Power BI Desktop, Google Sheets, Observability Tools, Dynamics 365 Business Central, Azure Kubernetes Service (AKS), Terraform, Amazon Athena, dbt Cloud, Form Assembly, Salesforce Marketing Cloud, Claude
Languages
SQL, Python, Excel VBA, Transact-SQL (T-SQL), Visual Basic, R, Snowflake, Visual Basic for Applications (VBA), VB, Looker Modeling Language (LookML), Visual Basic .NET (VB.NET)
Paradigms
Role-based Access Control (RBAC), Business Intelligence (BI), Database Development, HIPAA Compliance, DevOps, HL7 FHIR Standard, ETL, Automation, Agile Project Management
Platforms
Oracle, SharePoint 365, SharePoint, Microsoft Power Automate, Amazon Web Services (AWS), Microsoft, Databricks, Azure, Microsoft Dynamics 365, Azure Data Lake Storage, Azure Synapse, Microsoft Fabric, Microsoft Power Platform, Google Cloud Platform (GCP), Docker, Kubernetes, AWS Lambda, Salesforce, Citrix
Storage
SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), Microsoft SQL Server, SQL Server Configuration Manager, SQL Server Management Studio (SSMS), Amazon S3 (AWS S3), SQL Server Reporting Services (SSRS), Databases, PostgreSQL, MySQL, ClickHouse, Data Pipelines, Database Modeling, Database Caching, Data Lakes, Database Administration (DBA), Database Backups, Database Architecture, JSON, Google Cloud, Operational Data Store (ODS), Database Replication, Microsoft Entra ID, Data Validation, Azure Active Directory, NoSQL
Industry Expertise
Healthcare, Project Management
Frameworks
Spark
Other
Amazon RDS, Server Backups, Patches & Updates, High Availability Disaster Recovery (HADR), Row-level Security (RLS), Installation, Cohesity, AWS Database Migration Service (DMS), Performance Analysis, Data Visualization, Encryption, Index tunning, Development, Teamwork, Cost Accounting, Tax Accounting, Account Mapping, General Ledgers, Accounts Payable, Accounts Receivable, R Programming, Program Design, Index Tuning, Microsoft 365, SharePoint Online, Data Engineering, Data Analysis, Azure Data Factory (ADF), Database Optimization, Data Analytics, Excel 365, Excel Macros, Data Architecture, Compliance, General Data Protection Regulation (GDPR), Dashboards, MySQL DBA, Data Build Tool (dbt), Data Analysis, Healthcare, Reporting, Business Analysis, Data Modeling, DAX, Key Performance Indicators (KPIs), Data Governance, Interactive Dashboards, Consulting, Business, Trend Analysis, User Experience (UX), Data Processing Automation, Automations, Infrastructure as Code (IaC), Analytics, Data Warehouse Design, Database Schema Design, EMR, Financial Reporting Dashboards, Query Optimization, Workflow Automation, IT Governance, Single Sign-on (SSO), Cloud, Google BigQuery, Looker Studio, Causal Inference, Data Conversion, Data Migration, Data Mapping, ETL Tools, Intuit QuickBooks, Architecture, Wearables, Large Language Models (LLMs), eCommerce, Artificial Intelligence (AI), Backup & Recovery, Business Analysis, Looker, Product Lifecycle Management (PLM), Data Warehousing, Azure Data Lake, Metrics, Reports, Big Data, CI/CD Pipelines, Data Orchestration, Directed Acrylic Graphs (DAG), Monitoring, Software Development Lifecycle (SDLC), Enterprise Resource Planning (ERP), Integration, Analytical Dashboards, Monday.com, Data Marts, PyUnit, Indexing, Locks, Read Replicas, Root-cause Analysis (RCA), Transactions, Dynamics CRM 365, AI Agents, Advisory, Infrastructure, Financials, Financial Math, Amazon Bedrock, Amazon Redshift, Data Labeling, Data Science, ETL Pipelines, AWS Bedrock AgentCore, Star Schema, Audits, Data Cleaning, Data Transformation, Time Series Data, Database Partitioning, Machine Learning, Identity & Access Management (IAM), Active Directory (AD), Education, Airtable, SAP, Cursor AI, Oracle Fusion Applications, Oracle Fusion ERP, CRM, Financial Data, Human Resources (HR), Microsoft Dataverse, form assembly, Medallion Architecture
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