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Last updated: October 1, 2015

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Werner Gillmer

Werner Gillmer

Senior Linux / UNIX system administrator

South Africa - Tests: 2

I have over 12 years Linux and UNIX (BSD, Solaris, HP-UX) experience working for various corporate clients. My core skills are but not limited to : * Setting up and adminstrating HA (high availibility / load balanced)/ Cloud Linux/UNIX envirouments. * Setting up commercial cloud envirouments (Amazon, Heroku, Azure, etc.) * Configuration of Web services (Apache, nginx, lighthttp, tomcat, glassfish, jboss, etc.) * Setting up DHCP, DNS, ftp, ssh, proxy servers etc. * Security (iptables firewall, snort IDS, Nessus and OpenVAS scanners) * Setting up honeypots using honeyd * System auditing (security penetration testing) * System scripting and automation in Bash, Ruby, Perl, Python, Awk, Sed. * System automation with puppet and chef * Monitoring solutions with Zabbix, Nagios * Setting up CMS systems, Drupal, Wordpress, and all the other well known cms's. * MySQL and PostgreSQL * Setup and configure various network topology's and services using Linux/UNIX servers. * Technical support.

$27.78 /hr
7 hours

Sandeil T.

Sandeil T. Agency Contractor

Systems and Network Administrator

Philippines - Tests: 4 - Portfolio: 3

I have had the opportunity to work with companies which help me grow and improve my skills by sending me to trainings, seminars, and exposed me to scenarios which requires critical problem solving skills.A part of the hands-on trainings are Basic systems security, Linux systems administration, Oracle database administration, and Oracle performance tuning.On the job experience that enhances my skills are email system setup and maintenance, Linux system and firewall, DNS, OpenBSD/FreeBSD and packet filter, Windows system, and hardware and software trouble shooting.These skills and knowledge I want to share and further improve by providing competitive service and expertise to employers.

Associated with: Hyperbuddies Expedienet, RYVentures, LLC

100% Job Success
$7.78 /hr
2,792 hours

Chris Rivas

Chris Rivas

Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, MySQL DBA, developer

United States - Tests: 7 - Portfolio: 1

For more than ten years I have worked extensively in the software development and hosting industries. I am an expert Linux and Unix system engineer, and can deploy and configure any software stack that is based on Linux for optimal content delivery. I excel at MySQL database design, optimization, and administration. I am a seasoned software developer and have extensive experience with many languages including Java, Python, PHP and Ruby. I also have significant experience with customizing, deploying, and adminstering open source web applications, application frameworks, and application servers. I have worked locally, overseas, and with colleagues and clients overseas via the internet. If you look at my work history here, you will note that i 'disappeared' in February 2011. Indeed I did disappear, I was in a very bad car accident in Bangkok, Thailand, where I was living at the time, and was nto able to get out of bed or use a phone or computer for roughly a month. I now reside in Austin, TX again full-time I do not disappear typically, my present and previous employers can confirm that if you are hesitant based on feedback from 2011.

$36.67 /hr
22 hours

Ahmad Nadeem

Ahmad Nadeem Agency Contractor

Network Engineer / Administrator / CISCO / JUNIPER / LINUX

Australia - Tests: 1

As a Network Engineer, I love to propose cost effective communication solutions which are not only viable but efficient as well. Not only that, I will make the necessary configurations to get the setup up and running and if need be, troubleshoot and fix the problems. Moreover, I've got good understanding of Linux based (including FreeBSD & Solaris) OS installations and troubleshooting and would like to help in that area as well. Here is a brief summary of my skillset: Windows NT Server & Workstation, Windows 2000 Server, Solaris 9, Red Hat Linux, FreeBSD 4.5, Ubuntu 12.04. Routers & Switches (Cisco, Juniper, Alcatel-Lucent, RedBack, Huawei), Hubs, PBX Switches, Firewalls (Cisco PIX, Lucent Brick, Juniper SRX, Checkpoint, Huawei Eudemon), Bandwidth Manager (Packeteer), Foundary Networks, ATM Switches (Lucent PSAX, Alcatel), DXX Mainstreet, DSLAMs (Lucent, Zhone, Paradyne, Zyxel), DSL Modems, Cisco ISE, Cisco Wireless Controllers, Free Band Radios PtP & PtMP (Infinet, Cablefree, Alcon Technologies) LAN, WAN, TCP/IP, DNS, DHCP, SNMP, SNTP, FTP, VPN, RIP, EIGRP, BGP, OSPF, MPLS, ISIS, L2VPN, L3VPN, VPLS. Contact me to make your worries gone.

Associated with: Lycus, Lycus Aus

$15.00 /hr
9 hours

Theodore Cekan

Theodore Cekan


United States - Tests: 2 - Portfolio: 2

I have 18 years experience building web applications and running an ISP. I have experience with PHP, Javascript (including JQuery and AJAX), MySQL, MSSQL, Redis, Riak, and setting up and maintaining linux and Windows web servers, mail servers, DNS servers, routers, firewalls, and just about everything Internet. I enjoy developing using frameworks such as CakePHP, Yii, and Slim. I have experience developing many different types of sites, including social networking, ecommerce, informative, and api services.

$44.44 /hr
4 hours

Oleksandr N.

Oleksandr N.

Senior System Administrator, Migration and Security L3 engineer, SSD

Ukraine - Tests: 20 - Portfolio: 16

YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

100% Job Success
$32.88 /hr
1,535 hours

Mohamed El Sayed

Mohamed El Sayed

Senior Linux Engineer/DevOps Engineer

Egypt - Tests: 3 - Portfolio: 1

I worked as freelance systems administrator through out college years, and worked as an Operation Engineer for right after graduation. I was responsible for managing a Linux based cluster providing email, web and database services on top of a Xen based virtualized servers to's clients, based on various Open Source technologies and in-house developed solutions. I planned and executed a 0-down-time data center migration, managed a multi-server MySQL setups with complex replication and fail-over configuration and fully automated several internal complex operations. I also defined and implemented a new service monitoring and abuse/SPAM managment process for the company. I designed and implemented several scalable web and database infrastructure for Gawab outsourcing clients. My work involved working with several web and database load balancing technologies, monitoring, fail-over, backup and monitoring. And I wrote several automation and management scripts in Bash, python and PHP. I also have some experience with C and C++ and SQL. My technical interests include systems automation and management , cloud and virtualization technologies, scalable web and database architectures. I have years of experience working for Free/Open Source applications like: Apache, MySQL, PHP, Nginx, Nagios, Xen, postfix, qmail, iptables..etc.

100% Job Success
$35.00 /hr
380 hours

Rajat Gupta

Rajat Gupta

Linux Administrator

India - Tests: 1

I'm fully working from the last 3+ years as a Linux Administrator in remote server management and administration. I have knowledge of:Database Administration (MySQL, PostgreSQL);Firewall Configuratio ;Web services configuration (Apache, Nginx and others) configuration;Mail Services management (Exim, Sendmail, Qmail, Postfix);Virtualization (OpenVZ, Virtuozzo, Xen, VMWare Controal Palel : cPanel/Whm , Plesk and other

82% Job Success
$13.00 /hr
186 hours

Guido De Vita

Guido De Vita Agency Contractor

IT Manager Expert on Email Marketing

Argentina - Tests: 11 - Portfolio: 2

My skillset includes management for any IT project. I can handle budgets, hiring developers, managing resources and all the necessary tasks to get the job done. I have vast experience on all Unix systems (Unix Guru), servers (DNS and Mail Guru, LAMP Expert), networking Guru (plus Cisco, Juniper, Huawei advanced level). Expert in ALL Cloud services and panels, Databases (PostgreSQL, MySQL, MSSQL, NoSQL such as MongoDB). I prefer bulk marketing projects working with PowerMTA, Oempro, Interspire, RoboMail, etc on which I have tons of experience mostly building platforms. Experience deploying new technologies (such as IPv6, Web Application Firewalls). ISP, NOC and Hi SLA experience. I work very fast, I am professional, proactive, extremately reliable and responsible (proof of that is my 5/5 all time score). I also understand the business needs and I enjoy working on improving whatever is necessary to help you make money. I have business training and experience (as a sales engineer).

Associated with: Netcrowd Agency

$55.56 /hr
188 hours

Hilal Afridi

Hilal Afridi

Experienced System & Network Administrator (Linux/Unix/Windows)

Pakistan - Tests: 6 - Portfolio: 16

With more than 10 years of System administration, network administration and management experience ranging from infrastructure build out for a few users to systems supporting hundreds of thousands of customers I can be your safe bet while choosing a system administrator. During these 10 years i have gained experience with various Unix and Linux platforms including but not limited to Redhat, Debian, Slackware, Freebsd, OpenBSD, NetBSD, Solaris etc. My experience with ISP and Telecom background also gained me hands on experience on network equipment such as Cisco, Juniper, Brocade, Foundry, A10, etc.

80% Job Success
$44.44 /hr
104 hours