Sosthen - Architecte réseaux CISCO

Virtualization Architect

• Design and maintenance of the virtual infrastructure for the retail division. Installation of the Storage area Network as well as the ESX servers 2.5 and Virtual Infrastructure 3.0.
• Migration VI3 To VI3.5 and Virtual Center 2 to Virtual Center 2.5
• Implementation of VDI (Vmware Virtual Desktop Infrastructure)
• Implementation of Virtuozzo 3.5.1 and 4.0 (SWSoft Os virtualization) for intensive I/Os servers such as database servers (Oracle servers and SQL servers )
• Implementation of XEN Vs 3.0 & 3.1 for Linux Tests LAB
• Creation of the entire retail environment with VMware virtual servers and Microsoft Windows 2003 server as guest OS and HP MSA1000 as storage. Implementation of P2V with Leostream, Vmware Converter, HP Converter tools, Platespin Power convert 6.6.1 and 6.8.2, Vizioncore vConverter.
• Development and implementation of service level agreements for the virtual infrastructure.
• Virtual to Virtual conversion with the Virtuozzo P2V Utility (conversion Vmware Vms to Virtuozzo VPS).
• Implementation of the Vmware Capacity Planner with third party Company to define the servers’ candidates for Virtualization. This was a requirement for the servers’ consolidation project.
• Servers Consolidation with HP C-class Blades BL 685c and EVA8000.The virtual infrastructure has been designed for both business continuity and Servers consolidation. We consolidated the physical servers at a ratio 10:1 in the production environment. Business continuity is much simpler and quicker due to the site replication we put in place.
• Documentation of the infrastructure setup as well as small workshop to present the VMware product to permanent members of staff.

Senior Systems Engineer / Architect

• Design and Implementation for SLP in the Novell environment (NetWare 5.1 and 6.5)
• Support of the all Network with Cisco routers, NT and NetWare servers, Cisco switches, etc.
• Migration of Netware 5.1 to Netware 6.5, NT4 servers to Windows 2003.
• Implementation of a disaster Recovery Plan and Lotus Notes Support
• Installation of New Windows NT, Windows 2000, Windows 2003 and NetWare Servers with FTP services and Zenworks for Desktop 4, and Compaq remote Insight Board to take the servers remotely.
• Development and implementation of service level agreements with regard to the provision of various IT Services
Development of core processes and procedures for the provision of IT Services within agreed service levels
Implementation of VMWare and ESX GSX Server with Test Citrix Metaframe based on Production build and Standard.
• Implementation of Compaq/HP SAN (Storage Area Network)
• Implementation of VMware ESX Server and Virtual Center for the Business Continuity Site.

Systems Engineer / Network Consultant

• Design and Implementation of a Web Site.
• My particular interest is in linking databases to the Web (for searchable catalogs, product specifications, membership, etc).
• Firewall one installation and implementation for study purpose
• Intrusion Detection System for detection and protection against hackers attacks

Senior Network Consultant

• Recommendations and Documentation on the Company’s Security Issues
• Design and Support of the TCP frame-relay network with Cisco Routers
7500, 3640series, 2500 series and Cisco switches (1900, 2900, 3500, 6500).
• Implementation of Ciscoworks 2000 with HpOpenview 6.01 integration. MRTG usage for network traffic and CPU utilization monitoring.
• Firewall: PIX Firewall (Al440Lx) Version 4.4
• Novell Networks: Recommendations of NDS structure and
• Design, Zenworks 2.0 Solutions with NDPS, Netware Cluster Services on Compaq Proliant 6400R Servers.
• Migration from windows NT4 to Windows 2000.

• Small contracts project With Primus Telecommunications, Itnet and Latham&Watkins that involved
• The Design and implementation of ISDN backup solution-using BRI, PRI.
• Support of the network with Cisco Routers 3640 series and 2500 series, Cisco switches (1900 and 3000).
• NetWare 4.11 support

• Provide consulting, development and implementation services encompassing all areas of data networking;
• Assist with new product development and deployment Tested and evaluated new technologies.
• Managed Windows NT 4.0 servers, NetWare 4.x, 5 servers, DNS (NT/NETWARE 5 implementations), Compaq Cluster, WINS, DHCP, Cisco 700/800/1600/2500/2600/3800 Routers, Cisco Catalyst 5500/2924XLs

• Performed hands-on hardware and software upgrades of NetWare3.12
And Arcserve 5
• Interface with customers to assist in the identification of key data service strategies and goals.
• Documentation and planning for future upgrade of the NetWare network.

Systems / Network Engineer

• Responsible for network management across a heterogeneous production environment consisting of NetWare 4.x, Windows NT 3.51
• Optimization for Windows 95 and Windows NT 4 policies and profiles

Systems / Network Engineer

• Performed network administration, desktop support and configuration of users PCs including software for a NetWare 4.10 network
• Support of an NT 4.0: 1500 users (Windows 3.11, Windows 95 and NT 4.0)
• Performed network administration tasks such as installing file servers, server administration.

Systems / Network Engineer

• Led the buildings upgrade of 300 users from DOS based Windows for Workgroups to Windows 95
• Migrated a NetWare 3.12 server to NetWare 4.10 to provide NDS directory.
• Installation and Support of OS/2 (Warp 3 and 4) Servers and workstations.