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Last updated: October 1, 2015

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Diego Blanco

Diego Blanco

Linux Systems Administrator

Spain - Tests: 7 - Portfolio: 3

I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

100% Job Success
$33.33 /hr
719 hours

Stamatis Kekes

Stamatis Kekes

Senior system administrator and PHP - C - Perl developer

Greece - Tests: 11 - Portfolio: 2

Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

98% Job Success
$16.67 /hr
1,824 hours

Saqib Jalil

Saqib Jalil Agency Contractor

Drupal WordPress PHP WebServices MS/OS-Server-Mgmt

Pakistan - Portfolio: 16

Bridgetech is a consulting and software development firm, initiating, implementing, and managing business transformation programs. Drupal: - Drupal 6, 7 and 8 - Responsive Themes - Custom Module Development - Migration API, Facet API, Ubercart, Commerce - GIT, GitHub, SVN, Apache Administration etc. WordPress: - Custom Theme implementation - Plugin development - Woo-Commerce Customization - Widget, Forms, Site Transfer - ThemeForest, Thesis etc. Linux & OS - Red Hat, Fedora, CentOS, Debian, Ubuntu, SuSE, Etc - Load balancing, Backup scripts, Hosting Panels - Mail services, Antispam, Antivirus - DNS, DHCP, VLANS, Intrusion Detection, firewalls - MySQL, PostgreSQL, LDAP, Samba/AD, NFS Windows - Migration - AWS, Azure, Windows Server, Exchange, Lync, SharePoint, Office365, CRM, Dynamics, SQL - Exchange 2013 / 10 / 07, SharePoint 2013 / 10 / 07, SQL 2012 / 2008 / 2005 - Windows Server 2012 / 08 / 03 Hyper V, Active Directory implementation - Vmware

Associated with: Bridgetech

100% Job Success
$16.00 /hr
0 hours

Grigory Kuznetsov

Grigory Kuznetsov

System Engineer

Russia - Tests: 4

Qualified Cisco Academy Instructor (CCNA). 14+ years of work in field of IT. My main skills are: LAN & WAN design and deployment. Network equipment management - CISCO, HP, D-Link; network design, load balancing, backup strategy, monitoring. Data Center equipment management – computing systems, power distribution, cabling, air preparing. Administration of Microsoft Windows NT/2000/2003/2008/2008R2/2012 server OS (AD, DNS, DFS, DHCP, WDS, RDP, TS, clustering and load balancing). Administration of all Microsoft Windows client OS. Administration of Linux Red Hat/Cent OS (iptables, samba, squid, nginx, apache+mysql(optimization, DDoS mitigation)). Administration of VMware vSphere (ESXi + vCenter). Comprehensive monitoring using Zabbix.

$15.00 /hr
9 hours

Kiril M.

Kiril M. Agency Contractor

Linux Admin / Networking / VoIP / Scripting / Web development

Bulgaria - Tests: 8 - Portfolio: 2

Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics

Associated with: Samsourcing

$16.67 /hr
59 hours

Robert K.

Robert K. Agency Contractor

PHP Developer

Poland - Tests: 3 - Portfolio: 5

I`m a programmer with five years of experience in software development. I have created a wide range of websites using PHP, JavaScript and MySQL including one's for start up companies like social portals,content management systems and small businesses especially dealing with INTRANET & EXTRANET. I also have gained considerable experience in the following: PHP, SQL, Ajax, OOP, MemCached, Linux. Most of my projects were created using Agile / Scrum methodology in short iterations (2 weeks). I am always open to furthering my programming skills and learning about new frameworks, API's and other tools In essence, I provide high quality code, perfect feedback and above all value the client's needs and requirements.

Associated with: Polcode

94% Job Success
$36.00 /hr
6,737 hours

Deepa R.

Deepa R.

Certified perl developer, c,c++, python,php,web,system,linux admin

India - Tests: 3 - Portfolio: 11

From the past 9+ years I have been developing Software/Web sites/Utilities/Tools using Perl, Python, Catalyst, Django, Qt, C/C++, Sed/AWK, shell scripting, tcl/tk, mySQL, postgreSQL, RT for MNC's to start ups. I have very decent about 6+ experience in the following areas of Networking: Ldap, Bind DNS, DHCP, Sendmail, Apache, Samba, Server maintenance, mail, EC2, openerp, firewalls, installation & upgrades. I have worked and completed on all types of projects like development, maintenance, automation, testing tools, enhancements, reverse engineering.

96% Job Success
$20.00 /hr
3,121 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

Imran A.

67% Job Success
$18.00 /hr
120 hours