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Skilled sysadmin, developer in several languages, works as independent security researcher for many fortune 500 companies.
Hi, • I have 9 + years of experience in JAVA and open source Java based web technologies. • My Carrier is start with java web based development to till today. • Throughout my carrier I have involve complete product development cycle. Understand requirement, prepare the document for module or project, developing the project, deployment on clustering environment, testing and maintenance. • Good knowledge of E-Commerce ,ERP , shipping, Media and Entertainment domains,network and security domain. • Strong knowledge of OOPS design principal and pattern. • Also have experience in agile methodology.
New Delhi, India
http://linuxhow-tos.blogspot.com/ I am a experienced professional, working since 6 years on Linux Servers, virtualization (VMware ESX and Citrix Xen), Storage maintenance, Server load Balancing, Apache Web Server (LAMP admin), Maintaining Databases Mysql, Postgresql, MS SQL, Version Management (SVN), Bash Scripting for automating tasks, Chat Server (RED5)... Server Technologies We are maintaining: >> Qmail, Exim, Postfix, Sendmail, Dovecot, PHPMyAdmin, Squirrelmail, BIND, Proftp, Iptables, Ssh, VPN, PHP, MySQL PostrgeSQL, SVN, Bash, Apache, SSL certification, Named (DNS), Webmin Citrix Netscaler 9000 Machine configuration, Apache Web Server (LAMP admin), Maintaining Databases Mysql, Postgresql, MS SQL, Version Management (SVN), Tomcat, Bash Scripting for automating tasks. * Currently managing 500+ Linux Servers with High Availability * Running private cloud using Eucalyptus on Intel Blade Server * Running Virtualization using Citrix Xen * Installation, Configuration and Tuning of Apache Web Server and Tomcat * Setup and Maintenance of Subversion Repository (SVN) * Provide support for Load Balance services. * Configure Citrix Netscaler Machine (Use for Layer 7 protection and Load Balance severs) * Mysql HA implementation using Replication (Asynchronous replication) * Postgresql Clustering and Replication (Synchronous replication) * Installation and Fine Tuning of Mysql and Postgresql Databases * Managing Virtualization (VMware, Citrix Xen Server) Setup and Configuration * High performance computing, benchmarking, and kernel tuning. * Remote Administration of Linux Servers through Secure Tunnel Protocol * Monitoring of Linux Servers, Services using monitoring tool (Zabbix) * Configuration of DNS, Squid, Samba, NFS, FTP * Maintaining Qmail mail server * Takes regular backup of Databases using Shell Scripts * Identify, resolve problems and troubleshoot and escalate * Implement new services quickly * Configures Java Based Applications * Shell Script for Task Automation * PHP Development, Java, Ajax, Java Script, iframe, Curl, XML, Flash Scripting and designing http://linuxhow-tos.blogspot.com/
Coal township, United States
Planning and designing of system layer Data center Virtualization(Solaris Container, Xen, Vmware) Data center management Designing and implementation NMS(Network Monitoring System), Nagios/Centreon/Nagvis,Zabbix,Opennms Implement Information security standards and system audit Implement PCI(Payment card industry) security standards Implement CSI Security standards Sun/Solaris:Sunray(Sun) thin client, Manage hardware T1000, X2100, X2100M2, X4140, X4150,X4200, T2000 and T5120. Ultra Monkey Load Balance. F5 BIGIP, Zimbra(fail over mode), qmail. OTRS Ticketing system. Openfire IM server in Cluster Mode.
I'm a professional freelancer with a lot (more than 9 years) of experience in Windows and Linux server products, Citrix and VMWare virtualization products and many other. I have been working with small, medium and also enterprise wide environments. I'm Microsoft, Citrix, Cisco and ITIL certified - I can provide proof if necessary.
Huge experience (more than 20 years) supports of Unix-systems according to services and safety, configuration and administration of services (DNS, firewall, ssh/smtp/pop3/http/ftp/ssl/proxy/socks/java, DB/MySQL/PostgreSQL, SVN, webmail, web admin panels/interfaces, antispam-filters, antivir-filters, VPN) "from zero" (FreeBSD, NetBSD, OpenBSD, Debian, ASP, Fedora Core, RedHat, CentOS, Caldera, Gentoo, Mandriva, Slackware, SuSE, Ubuntu, SunOS, Solaris, Windows, Windows servers NT/2000/2003, etc), systems of monitoring and the control, programming - as system (c/c ++, perl, awk, shell-scripts) and for sites (d/html, php, ajax, js, asp, coding only manually, without programs-interfaces, flash design and programming), Bitrix, Joomla, Drupal, Smarty, DLE, WordPress, UMI, OsCommerce, VirtueMart and others, SEO, sites "from zero" - from design before support on servers. The full control of integrity of file structure and structure of any data over the servers, full system audit of servers. Assembly of all services mainly only from source codes, then from ports, binaries - the latest. Gravity, decency, accuracy, the responsibility. The core - the remotely administration of servers. I am sorry for my imperfect English, but my skills as system administrator - excellent!!!