Mahsa Rakhsha

• Administration, Maintenance, and Troubleshooting of Oracle Databases 11g/12c/18c/19c (24×7 on-call) • Administration, Maintenance, and Troubleshooting of Microsoft SQL Server, PostgreSQL • Implemented SQL Server replication and SQL Server failover cluster • Reports in SQL Server Reporting Services • Install and Configure OBIEE 12c on Linux

• Administration, Maintenance, and Troubleshooting of Oracle Databases 11g/12c/18c/19c (24×7 on-call) • Implementation and Administration of Maria DB, Mongo DB, PostgreSQL on an • on-premise cluster of Kubernetes including backup/restore operations, high availability and disaster recovery operations • Implemented MySQL Master-Slave Replication on Linux • Implemented PostgreSQL Master-Slave Replication on Linux

• Oracle Administration • Performance Tuning • Oracle Data Guard and Streams • Real Application Cluster (RAC) • Backup, Recovery, and Crash Recovery • ASM and ACFS • Advanced Replication • Oracle Data Pump • Oracle High Availability concepts and techniques • Oracle Security Solutions • Dealing with multi-terabyte Databases and huge Tables

• Administration, Maintenance, and Troubleshooting of Oracle Databases 11g/12c (24×7 on-call) • Backup and Recovery using RMAN • Oracle Audit Vault and Database Firewall 12c Installation and Configuration • Enterprise Manager Cloud Control 12c /13c Installation and Configuration • Performance Monitoring and Tuning with EXPLAIN PLAN, TKPROF, SQL TRACE, AWR, ADDM. • Collaboration with Development Team for Database Design

• Work as part of a Team providing 24×7 Support • Partitioning of Big Tables and Indexes in live Databases • Create Indexes to Reduce Response Time of Databases • Enterprise Manager Cloud Control 12c Installation, Configuration • Developing Stored Procedures, Triggers, User-Defined Functions and Packages using PL/SQL • Upgrading of the Oracle Databases from 11g to 12c • Oracle Virtual Machine Installation and Configuration (VMware and Oracle VM VirtualBox)

• Developing applications using C#, ASP.Net, VB.Net • Design and Development WPF GUI • Develop and Customization Warehouse Software using VB.Net and Access • Design Test Cases from Sequence Diagram Based on Test-Driven Development (TDD): Stress and Performance Testing • Developing Windows Installer for Database and Application Services

• Developing Queries and Reports in SQL Server Reporting Services (SSRS), Crystal Reports, and Excel spreadsheet

• Maintaining and Administering Computer Networks and Related Network Devices Including Routers, Switches, Firewalls and Servers