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La Plata, Argentina
Linux administrator with +8 years experience. Objetive oriented. Proficient. Problem solver.
Over 8 years of experience with Linux and Windows system Administration, currently leading a team of 10 members of Level3 and 4 technicians. Specialization:- - Windows Server Management (Windows 2003/2008/2012) - Linux Server Management through command line (RedHat, CentOS, Debian, Ubuntu, Fedora) - Webhosting (cpanel/plesk/directadmin/website panel, etc) - Virtuzliation (OpenVZ/Xen/KVM) via (command line or Control panels including SolusVN, HyperVM, HyperV [windows], XenServers, VMware ESXi) - Server security and hardening - Server Performance tuning - Backup Management - Varnish Caching - Load Balancing - Server/Data Migration from one to another server - Recovering Hacked Servers - Troubleshoot and solve a wide range of customer support issues from basic to complex - Excellent problem solving skills List of Skills :- - Linux/Unix (RedHat, CentOS, Debian, Ubuntu, Fedora) - Windows Server 2003/2008/2012 - Web hosting Control panels: Cpanel, Plesk, Direct Admin, Kloxo, Webmin, Website panel - Firewalls/IDS: Iptables , Snort , Modsecurity2, Fail2ban, CSF - Web Server: Apache, Nginx , IIS, Tomcat - Network Tools: Nmap, Netcat , WireShark , Tcpdump , Acunetix Scanner. - Hacking & Security: Over 5 years experience in linux,windows hacking and security. - Nginx loadbalancing, Nginx as reverse proxy - Haproxy loadbalancing - Varnish Cache - Mail Server: Qmail, Postfix , Zimbra, MX Exchange - Databases: MySql,SQL server 2000(2005) - VPN : Open VPN , PPTP (Ubuntu,RedHat) - Programming Languages: C/C++/ASP/PHP/Bash shell script/Perl/ASP .NET/JAVA - Virtualization: OpenVZ, XEN, KVM, Vmware , Virtual PC, VirtualBox, ESX, HyperV - Virtualization Control panels: SolusVM, HyperVM, OnAPP - CMS: Wordpress, Joomla, OSCommerce - Forums: VBulletin, MyBB, PhpBB #Script installations and configuration# We are expert in installing and configuring all kind of scripts including whmcs, wordpress, jooomla, ClientExec, Kayako and many more. We have done several such projects which can be seen in our projects history. #Web Development and Designing# - We have a team of Designers and developers who work on php/MySQL, .NET/MSSQL, Wordpress, Joomla. #Integration Service# - We are expert in Integration services. - WHMCS Integration: We have done several hundred integrations for our customers some of them includes http://customer.thai-servers.com/ http://www.cybernetcreations.net/clientcare http://www.webnsofts.com/clients http://www.yourmeanings.ca/order/ http://www.highendgamer.ca/clientcare/ http://www.cybernetcreations.net/clientcare - Wordpress Integration - VB/MyBB integration
I am a self-taught system administrator that had access to computers from an early age(10 years). I began working on rentacoder.com since 2005. Before rentacoder.com was bought by freelancer.com I was on the 360th place in the top of all coders(100000+). My daily jobs include server security and audit tasks, server installations(including network installs), control panels, backups, migrations, RAID array setups, network file systems, custom load balancing solutions, virtualization, networking and routing, mail and anti-spam gateways/servers, disaster recovery solutions and many others. I have extensive experience with various flavors of Linux, BSD, Windows, various software of any kind(web servers, control panels, mail servers, anti-spam and lots of others).
Software: Nagios Core, Nagios XI, Centreon,Cacti, Dovecot,Postfix,Bind9,Roundcube,Horde,Zimbra,Xeams,Squid. OS: Centos,Debian,Ubuntu,Windows7,Windows Vista,Windows XP Hardware: Cisco ME-2400 & ME-3400 switches, Cisco 2900 switch. Huawei S2300 & Huawei S2000 switch. Others: Server Administration, PHP,HTML,Mysql, Typing speed 40wpm.
An experienced Linux System Administrator with skills in CentOS/RHEL/Ubuntu/Fedora Server/VPS Configuration, Administration and Troubleshooting plus L2/L3 support expertise. I am having hands-on expertise to Mail / Web Hosting / Virtualization / Network Monitoring / Media Streaming / OpenGTS / DNS / FTP / Backup / Firewall Servers, Data center Administration and Server Security measures. My exposure to Amazon EC2, Linode, GoDaddy and Hostgator physical/virtual server environment is quite good. I am looking forward to utilize my experience and technical skills to offer quality work with client’s contentment. Possessing 08 years experience in Information Technology including 3.5 years experience in as System Administrator in Data Center (Systems Team) and currently working as Manager (Linux Systems). I have experience in administration of heterogeneous network with a variety of open source tools to provide an excellent IT infrastructure for organizations.
High-quality, cost-effective IT outsourcing services.Expert in Linux,mysql,java,apache,tomcat,ngnix and web server as well as application server
* Systems administation: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment managment (Nortel, HP, Cisco), Deep understanding of network architecture, * High availability: active-passive clusters (RHCS, Linux-HA), load-balancing techniques, clustered file systems (DRBD, GFS/OCFS, GlusterFS) * Security: firewalling (iptables, ipfw, ipf/pf), antivirus techniques, antispam techniques (both before- and after- queue), SELinux (including writing custom policies), PKI * Database administration: MySQL, PostgreSQL, Oracle, SQL * Network services administration: www (apache, nginx), mail (postfix, sendmail, exim, dovecot, cyrus), DNS (bind, dnsmasq), LDAP (openldap) * Virtualization: Xen, KVM, VMWare (ESX/ESXi, VSphere), libvirt API, OVF * Programming: Perl, PHP, sh scripting, C/C++, Applescript, VBScript, Python, Java
Over 7+ years of experience in Linux System Administration and AWS Administration.Major areas of expertise: OS : Centos,Ubuntu,Redhat, Debian,Windows Server. AWS : EC2, VPC, RDS, AD, S3, IAM, EC2 Container Service, CloudTrail, SNS, Auto Scaling, Elastic Load Balancing, OpsWorks, Cloud Front,Route 53. DevOps : Puppet, Ansible, Chef, Cloudformation, Terraform Virtualization : Docker, VMWare,ESXi,Xen,Citrix,KVM,Ovirt. Service : Nagios, Apache, NGINX, PHP, Wordpress Windows : Active Directory, WSUS, Remote Desktop GW, Windows Failover Cluster, Always on SQL. VoIP : Asterisk, Elastix, FreePBX, A2Billing Database : Mysql,MariaDB & Oracle Database • Redhat Certified Architect (RHCA) • Red Hat Certified in Server Hardening, • Red Hat Certified System Administrator in OpenStack Cloud • Red Hat Certified in Clustering • Redhat Certified Engineer(RHCE), • RHCSA • RHCVA • CCNA • OCA
London, United Kingdom
Hi, UK based Network/sys admin just looking for small projects when i have a little downtime!
Expertise: Translation (English, Dutch and German) Intrusion Detection System Amazon EC2 Management Cloud Management High Availability (HA) Clusters PCI DSS Compliance Compromised Server Recovery Malware Removal Security Audit Mail server, SPAM prevention setup Server Optimization For Fast Pagespeed (Wordpress, Joomla, Magento, etc...) OpenVZ, XEN & KVM Virualization Capacity Planning Consultancy Monitoring Much More!