Involvement in technical infrastructure projects• Complete Migration Plan with on-site implementation, performance analysis and support of business continuity process during data migration off legacy storage systems USP/USP-V/VM onto new VSP using Tiered Storage combining with True Copy Synchronous • Business backup software solution deployment regarding company policies• Maximizing scalability and improve performance of Billing Applications on Windows Server 2008R2 with VMware vSphere 5 and IBM Blade Centers H • Storage systems expansion in adoption of business growth• Migration off existing Prepaid billing system onto the Convergent billing system. Main role was to maintain process of change legacy equipment and creating a custom deployment plan

Major Responsibilities• Storage System Administration of Hitachi (HDS) Enterprise VSP and Modular AMS 2500, also legacy products such as USP/USP-V/VM and the Lightning Series • Implementing data storage solutions for Billing Department used with HDS/HP disk arrays to maintain wide variety of workloads • Two Data Center (2DC) local and remote replication architecture deployment• Completing a whole problem-solving sequences and tuning solutions to achieve appropriate performance combining Hitachi storage and Oracle Database 11i using customized reports and alerts from HCS 7.2 Tuning Manager software• Implementing of best practices for configuring storage virtualization to reduce data center cost of ownership• Planning and maintaining a large number of system backups with StorageTek Streamline Libraries SL500 • Identifying problems of SAN equipment using recommended troubleshooting practice• Solaris 10 System Administration with VERITAS Storage Foundation 6/5 on SPARC Enterprise E25K/E6900 and T-Series servers• Managing the infrastructure maintenance to include alignment with regulations, support contracts and licensing agreements• Preparing plans, estimates and tender documents for IT projects

Major Responsibilities• Storage Administration of Sun SE9990/SE9970V, formerly Hitachi USP/Lightning Series disk arrays• Solaris 9 OE System Administration with VERITAS Volume manager 4.x on SPARC E25K high-end and E6900/E6800/V890/V490 mid-range servers• Product support and troubleshooting of PUMA custom designed Prepaid Billing system and front-end applications in Tomcat/Resin Java Containers• Providing continuity of BSCS V6 Rating and Billing processes in HP-UX and Oracle 9i Database environments• New services and tariffs deployment, using BSCS V6 Message Processing module and Oracle PL/SQL scriptsInvolvement in projects• Migration of Prepaid Billing system from remote server room into the local Data Center environment

Major Responsibilities• Provisioning interfaces support for different Network Elements and OSS/BSS system• Advanced support of custom designed the Call Data Records (CDR) pre-processing system• Monitoring of BSCS V6 Rating and Billing batch modules workflow• Performance improvements by increasing application efficiency and eliminating resource shortages and bottlenecks in Oracle 9i/8i and HP-UX operating environments• Development of a variety SQL/PLSQL and Posix shell scripts, programming on C/C++ under UNIX Systems

Major Responsibilities• Management of Novell Netware services for corporate network• Deployment of PARUS system for the Department of Finance• Advanced End User Support• Planning, implementing, and maintaining a Network Infrastructure

Responsible for End User Support, x86 microcomputers technical maintenance, System Administration of corporate Novell Netware servers and workstations