Joyceline Mwangi
SQL Database Administrator at Epsilon
- Role
- Sql Database Administrator at Epsilon
- Location
- Atlanta, GA, US
- LinkedIn followers
- 500 followers
About Joyceline Mwangi
Highly motivated and Successful SQL Database Administrator with over 9 years of experience in database development and production environments. Areas of expertise include maintenance and security. Proactive in establishing backup and recovery processes and protocols to protect and retain valuable company data. Average in [T-SQL, MY-SQL] language. Have administered and provisioned SQL servers 2008, 2012, 2014, 2016,2017, and 2019 in Production, Test Development, and Clustered Environments. I am a highly motivated self-starter with strong interpersonal and persuasive communication, outstanding problem solving, and active listening skills. Experience spans: Installation and Configuration of SQL Server, Performance Tuning, High Availability and Disaster Recovery/Disaster prevention, Database Refresh, SQL Server Upgrades and Patches, Replication, and other Windows server features.
Experience
Sql Database Administrator
Jan 2024 — Present
Managed and optimized 50+ SQL Server databases, ensuring 99.99% uptime and performance SLAs.• Implemented database security best practices, reducing security incidents by 30%.• Conducted database schema design and normalization, improving data retrieval efficiency by 25%.• Automated database backup and recovery processes using SQL Server Agent, reducing manual effort by 40%.• Developed T-SQL scripts and stored procedures for data extraction, transformation, and loading (ETL) operations.• Implemented database clustering and AlwaysOn Availability Groups (AG) for high availability and disaster recovery.• Performed database migrations from SQL Server 2012 to SQL Server 2019, ensuring zero data loss and minimal downtime. • Monitored database performance using SQL Profiler and DMVs, identifying and resolving performance bottlenecks.• Collaborated with cross-functional teams to troubleshoot database issues and provide timely resolutions.• Conducted regular database health checks and performance tuning, achieving 20% improvement in query response times.• Managed database capacity planning and forecasting, supporting a 20% increase in data volume over six months.
Education
North Carolina Agricultural and Technical State University
Bachelor's degree, International Relations and Affairs
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