I have almost 5 years of experience working and solving problems on Linux based servers - maintaining their processes like apache, PHP, MySQL, FTP, mail, etc. Supporting Windows servers - maintaining AD users, mailboxes, which includes exchange configuration and administration. Routers, firewalls, and wireless technologies experience working for custom client needs, maintaining, installing, configuring, troubleshooting their networks. Server and computer hardware maintenance, assembly, installation, configuration, troubleshooting. Designing and implementation of Security and network solutions. Customer consulting in IT Security specified solutions, different variety of security projects, planning, installation, and configuration of Firewalls, Mail gateways, Web gateways, IPS security, etc.