Lotfi - Administrateur système MS-DOS

Tasks:
• Remote site Administration ******** (hosted in Chicago):
-Manage the domain and sub domains.
-Log management, cron files and server synchronization.
- Detection and elimination of security flaws.
-databases backup management.
-Site Optimization.
- Site staff assistance and training.
- Installing and Configuring ModeSecurity2 (elimination of all attacks using URLs).
-Installing and configuring a professional Zimbra mail server @********.
-Study and proposal of ******** hosting solution at the enterprise
Who is at 80%.
-Nagios monitoring.

• local network Administration:
Astaro firewall and proxy, exchange mail, Active Directory user management, switches, routers, gateway, Fax, Windows 2003 servers and MAC OS, VPN, web filtering .

Develop JEE applications for the management of the weather service of Djezzy operator, which connects to a web service to update data bases.
- Development of the security layer accessing to Djezzy WAP portal (access layer) with use of the Framework iBatis for data persistence (MySql), Framework JSF, JPA ...
-WAP-Portal Administration
- Development of a Java application launched as a Windows service to run continuously to monitor the existence of new URLs included in the SQL Server database (using threads).
-Completion of new services IVR (Interactive Voice Response) with VOS language.
-Administration of Kannel platform (for IVR) and SMSgateway (SMS).
Data Bases: SQL Server, MySql.
Mission: Maintenance of servers containing these platforms in case of failure.

Task: preparation of the Draft Final study with the theme: "Multi-agent Approach for Information Retrieval in Sensor Networks" performed in a simulated environment using Network Simulator NS 2.30 Linux (Mandrake10) with C + + and TCL. The objective was to optimize energy consumption by proposing a multi-agent system that operates within the network layer of Directed Diffusion protocol designed for Sensor Networks.

 Design and Implementation of a client-server application to run a Linux command remotely (Bluetooth and WiFi) using a PDA.
 Parallelization and implementation of an algorithm to calculate the inverse of a matrix using the environment LAM / MPI under Mandrake Linux 10.

 Development of an expression evaluator conducted with Lex and Yacc languages as C + + Builder.
 Creating a library website with Dreamweaver.

 Automate Programming and grammars with C + + Builder.
 Conducting a search procedure of a string with the C language LINUX
 Simulation of a voltage amplifier in Electronic Workbench.
 Creating data bases with Delphi.