Mahi Gebre
Database Administrator at Centene Corporation
- Role
- Database Administrator at Centene Corporation
- Location
- Silver Spring, MD, US
- LinkedIn followers
- 500 followers
Experience
Database Administrator
Jul 2021 — Present
Installing, configuring, administering, and securing production and non-production servers (clustered and non-clustered).• Performing DB backups, DB refresh, DB restores, clean-up, statistics update• Experience in implementing windows cluster across multiple availability zones and Implemented SQL Server 2016 Always On availability group in AWS.• Experience in setting up database transactional replication for reporting server, Using Backup and restore method.• Expert in Database refresh from prod to lower environment as per the business requirements. Automated quarterly/monthly database refresh.• Managed and involved in SQL performance Tuning, identifying locking, and blocking issues using Native and Third-party tools to enhance and boost performance of SQL Dbs.• Managed and Implemented Ola Challenger’s Industries best SQL server maintenance plan and created schedule for all environments.• Managed SQL server Logins, Database users & roles and involved in Daily User Maintenance.• Created Database Maintenance jobs to perform full & transaction log Backups and scheduled them with the SQL Server agent job scheduler.• Monitor database growth activities & Troubleshoot Transaction Log Issue.• Created and configured mirroring for Disaster Recovery. • Wrote and debugged Stored Procedures and (DDL /DML) Triggers, Functions as per client requirements.• Logical and Physical design of database for projects on basis of user requirements using ERWIN• Extensively worked on trouble shooting and fine-tuning of databases for optimal performance• Worked with Performance Tuning/Query tuning, execution plans, trace flags and SQL Profiler• Installation of Service packs to all environments• Used log shipping for synchronization of databases• Experience in migrating SQL Server 2012 and 2014 to SQL Server 2016 with Always On Availability • Experience in OLTP & OLAP • Used SSIS to create ETL packages to validate, extract, transform and load data to data warehouse databases
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