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Last updated: October 1, 2015

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Robin J.

Robin J.

Server Administrator and Automation Expert Linux / Windows

India - Tests: 2

Approx 4 years of experience in the field of Server Administration of Linux/Unix/Solaris/Windows. Good experience in the following points: Full Server Installation and configuration with the latest patches Hardening server Server security Server optimization Live server migration Server monitoring Expertise areas: 1. Linux Server Distributions (RedHat, CentOS, Fedora, Ubuntu) 2. WebServers (Apache/Litespeed, Nginx, Tomcat, Jboss) 3. Hosting Control Panel (WHM/C-Panel, Direct Admin,ISPConfig, Plesk Panel) 4. Monitoring Tools (Nagios, Cacti, Mrtg, Prtg) 5.Server Security (Iptables, CSF, Rkhunter, Chkrootkits, SSHD, TCP Wrapper) 6. Database (MySql, Oracle) 7. Mail Server (SendMail, Exim Mail, Zimbra, QMail) 8. Virtualiation (Virtuozoo, Hyper-V, OpenVz, Xen) 9. Scripting (Bash Shell) 10. Other: DNS, DHCP NFS, FTP, Smabha, Telnet, Ldap, NIS

81% Job Success
$12.00 /hr
152 hours

Evgeniy P.

Expert Network/Unix Administrator

Russia - Tests: 10 - Portfolio: 2

Over 3 years experience Certified CCNP network specialist with experience of working at ISP in Russia with about 150k+ customers. • Certifications: CCNP R&S, CCNP SP, CCNA. • Skills OSPF,EIGRP,BGP,IS-IS,STP,VTP,HSRP,VRRP,Network Design,DMVPN,LAN,WAN,VPN,QoS,DNS,DHCP,IPv4,IPv6,MPLS,VPLS I am looking for a job to apply my experience and knowledge.

$22.22 /hr
37 hours

Manish S.

Subject Matter Expert in Microsoft Technology (Implementation Expert)

India - Portfolio: 1

Technically sophisticated & result driven professional with ITIL 2011, MCSA, RHCE & CCNA with nearly 6 years of experience in Networking and System Administration/ Support. Along with qualifications in M. Sc in Computer Science Technology & Post Graduate Diploma in Computer Application.  Insightful experience in implementation, operations and support functions of mission- critical business solutions using IT as a tool.  Well developed skills in providing technical solutions based on various Operating Systems, Applications Concepts & Servers, cutting across a broad range of Networking/System Technologies.  Demonstrated strengths in maintaining the entire IT Infrastructure at client site covering all issues related to SW/HW & Networking. Exposure to administration across multiple locations.  Competent in planning, implementation, configuration and maintenance including troubleshooting. Recognized as an important resource in a team.  Acknowledged performer with high analytical, interpersonal skills and problem solving skills. Excellent communication skills, enriched with logical reasoning.  An effective communicator with strong team management, leadership, analytical and coordination abilities Systematic and organized with quick adaptability to changing trends and processes. Proficient in English & Hindi. System/Networking Projects o Leading the team of technical professionals during the development stages. o Managing IP allocation and ensuring minimal downtime of machines. o Installing and configuring the hardware/ software/ mail servers, ensuring optimal performance. Technical Support/ Troubleshooting o Conducting periodic reviews with the customer and analyzing calls and their trends to take proactive measures to reduce knowledge-based calls. o Suggesting improvements in the operations and processes to make the system foolproof. Technical Skill Set Operating Systems: o 06 years Windows Servers (2008, 2003,2000) o 05 years Linux (SuSE, Redhat, Centos, Debian, Ubuntu) o 04 years MacOS X (Desktop) o 02 Years Fortigate Product Support i.e. 60C, 80C, 200D Microsoft Network o Knowledge of Implementation of AD, Domain Controller, MS Exchange Server, MOSS. o Implementation and performance tuning of Windows 2003 Server environment for client’s operations. o ADS like “creating child domain, OU’s, replication, creating and maintaining user accounts”. o Managed systems configuration and maintenance, problem troubleshooting, system and program security. o Managed Applications and program management, planning and directing upgrades, and testing operations to ensure optimum system functionality. System/Networking: o Complete understanding of TCP/IP, UDP, ICMP. o Network troubleshooting, LAN IP Accounting & Various Server configurations o Physical network maintenance and upgrades & Basic switch and router maintenance o FortiGate Firewall working Experience, i.e. 60C, 80C, 200D. o DHCP , SNMP , Load Balancing , MRTG, IPTraf, TCPDUMP etc. Security: o Advanced knowledge of Linux security o Secure internet services, with squid Proxy and Iptables firewall. o Security Policy Designing, Implementation o Firewalls (Iptables, Netgear, IP Filter, Fortinet) o LAN/WAN security, Network/Host Security Auditing, Vulnerability Scanning (Nessus). Software: o Apache HTTP/HTTPS servers (versions 1.3.x/2.0). o DNS (BIND 4/8/9) POP, IMAP, IMAPS. o Mail Services (Postfix, QMail, Zimbra, Postfix, MS Exchange 2007&2010) o Antivirus Packages (Symantec Endpoint Protection, Trend Micro PC-cillin ) o X Window System (configuring servers, desktops, application servers, XDM) o Packages & Tools (SCSM 2012, MIIS, MOSS, Sugar CRM, Vtiger CRM, JIRA, Joomla) Database Administration: o MySQL, MSSql (Installation, Configuration, Backup schedule, ) Programming/Scripting: o Intermediate level, mostly systems automation and maintenance tasks. o Batch & Shell scripting. Hardware: o Met with Vendors to provide new technology (Software, Hardware, Tools, and Device) to enhance the Windows network architecture o All forms of x86 hardware (from laptops to quad Xeon CPU servers) o Cisco routers/switches/terminal servers o Lots of co-location facility experience, large server installations, racking, power management, etc

$8.89 /hr
0 hours

Alexandru V.

Alexandru V.

Senior Linux Administrator

Romania - Tests: 4 - Portfolio: 2

* Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.

100% Job Success
$20.00 /hr
126 hours

Paulo Arruda

Paulo Arruda

Linux System Administrator and Network Specialist

Canada - Tests: 4 - Portfolio: 1

My 9 years of experience in Linux Server Administration and Deployment, and 15 years of experience as Linux User, should be of interest to a rapidly growing company like yours. I've been working for the past 9 years building all kind of servers: from SOHO file servers to large mail deployments in HA/Virtualized/Cloud environments.

Groups: LPIC-2

100% Job Success
$80.00 /hr
486 hours

Andrey Semakov

Andrey Semakov

Zubex ltd

Russia - Tests: 8 - Portfolio: 1

-Windows, Linux server administrator. Wide range of objectives: e-mail server, file-server, ldap-server, web-server(apache2 and nginx), high availability, load balancing, backup and restore services. -Windows, Linux workstation administrator. -Some mysql skills. -Some cisco networking skills.

$16.67 /hr
14 hours

Mohammed Nasimuddin

Mohammed Nasimuddin

Linux Administrator

India - Tests: 5 - Portfolio: 3

I’m an independent consultant focused on: Linux and Open Source. Infrastructure development Worked mainly in the web-hosting area, my key accomplishments are listed below. I have more than 7 years of experience working with Linux and Open Source, providing solutions for small, medium and big companies. I have strong knowledge in Web server (Apache, Lighttpd, Nginx, PHP, Perl, Python..), Mail server (Sendmail, Qmail, Postfix, Zimbra...), DNS (Bind, Power DNS...), Firewall, Network, Database (MySQL, noSQL: couchbase...), load balancing (HaProxy, LVS..),web-hosting panels (CPanel, Plesk,DirectAdmin). However, my knowledge is not limited in these areas. My specialties are: - EC2 / Rackspace Cloud computing setup (incl. EC2/Rackspace API scripting) - Virtualization (KVM, Xen, OpenVZ/Virtuozzo) - Sites/Servers migration (Wordpress, CPanel, Plesk) - Shared file systems (nfs, drbd, ocfs2, gfs) - Server security (VPN, firewall, IDS) - Server performance optimization (Apache, Nginx, MySQL) - Email white-listing, spf, high load delivery, performance - Backup, shell scripts, etc. My core competency lies in complete end-end : + Setup Apache Tomcat ,PHP's Pear Package Manager ,Postgre SQL .... + Install Ruby on Rails on an Debian 7.0 (Wheezy) VPS using RVM + PHPMyAdmin MySQL database manager + Ioncube setup on LAMP ,LEMP , WAMP , MAMP + Setup Ruby 4 on Ubuntu 12.4 LTS + Install Rails, Apache, and MySQL on Ubuntu with Passenger + OpenEmm setup on CentOs 6.0 64bit + Administrate VPS and dedicated Server + Setup Sugar CRM and Zoho CRM workflow and modules. + Good experience with WordPress eCommerce site + Good skills with CMS and Joomla. + Proxmox Cluster setup and HA , VM Creation,update, Migration. + Sheepdog Storage cluster setup. + Media server setup with red5 , oflademo I reply to all emails and requests in a very prompt fashion and don't forget to update my clients about the progress before going off-line.

83% Job Success
$33.33 /hr
9 hours

Andrew Clayton

Andrew Clayton

Linux Systems Administrator

United Kingdom

I am an experienced Linux systems administrator and programmer. For the past years I have worked in the areas of Linux systems administration and also C and PHP programming, These included managing numerous Linux servers and workstations dealing with such services as web servers, mail servers (SMTP, POP3, IMAP), FTP, DHCP, DNS, NFS, NIS, MD RAID, Git, Bugzilla, mediawiki, mailman, iptables, MySQL and also virtualisation (Xen and KVM/QEMU). I also have a decent grasp of various aspects of networking. I have also worked on numerous web based electronic data matching applications in PHP and latterly in C utilising FastCGI. I am passionate about open source and fully in-tune with open source development practices. I have contributed to several open source projects including the Linux kernel and most recently the MongoDB C driver.. I have a GitHub account at

$45.00 /hr
0 hours

Yuriy N.

Yuriy N. Agency Contractor

Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/VoIP Enthusiast

Russia - Tests: 1 - Portfolio: 1

Telecom Software and Network Engineer more than 6th years in companies - communication providers. I have extensive experience with deploying a complete infrastructure of voip provider, using OpenSource telephony technologies such as freeswitch, asterisk, OpenSIPS\Kamailio, kazoo, etc. Mostly I'm dealing with emerging startups or with small but accomplished voip companies which want to improve\reorganize their infrastructure; create something new or fix some issue on their network. So it is main area but sure I can help with other projects that correspond to my list of skills.

Associated with: Nasida

100% Job Success
$40.00 /hr
1,118 hours