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Last updated: October 1, 2015
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Minh N.

Minh N.

Server Admin/Linux/Unix/AWS Ec2/ Nginx /WordPress/Magento/Odoo

Vietnam - Tests: 7 - Portfolio: 18

I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. I am expert with LEMP and LAMP system, very good at speeding up servers and sites. For some personal reasons, I MOVED back to Vietnam. I am also working at Elance and Freelancer. If you need references, please don't hesitate to contact me. Security Portfolio: Hall of Fame: - Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server) - Windows Maintaince / Troubletshooting (Windows Server 2003-2012, Hyper-V, Lync, SharePoint Server 2010-2013) - Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, Vserver) - Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache) - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump) - Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting) - Caching ( apc/xcache/memcached/varnish/nginx) - Load Balancer (Nginx/Haproxy/Hardware LB) - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot) - Bulk marketing (Dkim, spf, high speed/inboxing, interspire) - Automation (puppet, perl/shell/awk scripting) - Monitoring (nagios, zabbix, munin) - Hosting Control Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). - Mobile Application (Android / iOS / Windows Phone)

Groups: Bluehost Developers and Designers

91% Job Success
$33.33 /hr
1,997 hours

Oleg K.

Oleg K.

Senior Dev: Perl/Catalyst/Moose/DBIC/NoSQL+AJAX/jQuery, shell+sysadmin

Ukraine - Tests: 19

Seeking opportunities in Perl oriented (Catalyst DBIC preferred) application development, shell and perl scripting, and BSD/Linux administration projects - to build sites and setup servers for your business or pleasure.In my mind, LAMP more often reads as LASP - Linux, Apache, (any|no)SQL, Perl - of course, with Catalyst, Template Toolkit and DBIx::Class/KiokuDB in pair with some RCS (git is preferred, but subversion, mercurial and others also possible). And of course, all can be integrated with AJAX libraries such as jQuery, Prototype, MooTools and other to create Web2.0 apptications.Great knowledge of regular expressions (regexp). Have real experience with MySql, Postgres, Oracle, CouchDB, LDAP, also worked with CPanel, Plesk and Ensim. And of course, have experience with Apache, SMTP (exim, postfix, sendmail), IMAP/POP (Cyrus, UW, Dovecot), firewalls (bsd/ipfw and linux/iptables), Samba and misc ftp and proxy solutions.I can work well as alone and as a team member.

100% Job Success
$40.00 /hr
9,014 hours

Aaron H.

Aaron H.

Cisco UC Specialist/Expert - 10 Year CCIE

United Kingdom - Tests: 3 - Portfolio: 2

A specialist in the full range of Cisco Unified Communications with full CCIE Voice qualification dating back 10 years, and over 15 years experience in IT primarily as a Cisco Channel Partner lead engineer in the UK. Strong design, deployment, administration, development and troubleshooting skills in: Communications Manager (CUCM/CallManager from version 3.1 to 10.5) Communications Manager Express Voice Gateways (TDM, Analog), CUBE/SIP, H.323 Contact Centre Express (UCCX/IPCC Express) Scripting, Deployment and Custom Reporting with Historical Reporting Client (HRC) and Cisco Unified Intelligence Center (CUIC) Presence/Jabber, Unity (Voicemail, Unified Messaging) Cisco UCS and VMware Unified Attendant Consoles (CUBAC, CUDAC, CUEAC, Attendant Console Advanced/Standard, and ARC Premium) I also have extensive networking experience, as well as significant experience with Microsoft Windows Server/Exchange and associated technologies and products. I have development skills in Java, MS SQL and Informix and various other scripting and programming languages such as PowerShell. I have experience with many Cisco-specific APIs especially with UCCX and CUCM.

100% Job Success
$100.00 /hr
257 hours

Sergey Golovchenko

Sergey Golovchenko

DevOps/System/network administrator

Ukraine - Tests: 3

My goal is providing only hight quality service. If you have any IT task - ask me, and I'll provide complex solution. Filed of my expierence covers, but not limited to: OS: varios Linux (Ubuntu/Debian/CentOS and other), FreeBSD SCM: Puppet Web servers: Apache, Nginx Database servers: Mysql and clones, Postgresql Monitoring: Nagios, Zabbix (preffered),Cacti Virtualization: Openvz, XEN and XenServer, KVM Cloud services: AWS, Rackspace Scripting: bash, python. Mail servers: postfix, dovecot, exim, sendmail and many others Networking: standard network services (DNS, DHCP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding, BGP, OSPF), different hardware (Cisco, Extreme networks, mikrotik and many other) PS: This list isn't full, as long lists looks ugly :) Also I'm very interesting in development/DevOps task's, especially python development.

86% Job Success
$35.00 /hr
304 hours

Mihail K.

Mihail K.

UNIX/Linux administrator

Belarus - Tests: 5

I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

94% Job Success
$17.78 /hr
105 hours

Nikola Nikolaev

Nikola Nikolaev

BI Analyst, Linux Expert


I'm a member of a small team. Most of the companies, especially those that do not have IT as a core business, do not utilize the full potential of its IT staff. Our mission is to help business, by preventing it spend too much money on internal IT services. We believe that the expertise and strong motivation are the keys to successful implementation of any technology at any scale. That is why we built a team of self-driven, self motivated experts, with outstanding professional track. Main activities of the team are in the field of GNU/Linux, networking, system integration, software development and implementation in corporate organisations, business intelligence and business process management, financial management and accounting.

89% Job Success
$25.00 /hr
90 hours

Lakshman Singh

Lakshman Singh

Cisco Voice Expert

India - Tests: 3 - Portfolio: 1

*Cisco Voice/UC Consultant (CCIE-VOICE, CCNP-VOICE/CCVP) having more than 6 years of extensive experience in Cisco Installations/deployment, Support, Presales, Postsales, Training, Documentation. *I have deployed a Cisco UC (CUCM, CME, CUC, CUPS, ISRG2 Routers, VCS-C, VCS-E, UCCX, Jabber etc.) cluster of 2000 IP Phones alone. *I have designed and deployed 5 Cisco BE6000 / BE6K and BE7000 / BE7K Solutions *I have worked in Cisco TAC, have vast experience in troubleshoot. *I have worked in Presales, knowledgeble about Licensing, Ordering, RMA etc. CERTIFICATION(S) : CCIE-VOICE (written) | CCNP-VOICE/CCVP | CCNA-VOICE | CCDA | CXFS | CCNA & CCENT SERVICES OFFERED : 1. CUCM (Cisco Unified Communications Manager) 2. CUC (Cisco Unity Connection) 3. CUPS (Cisco Unified Presence Server) 4. UCCX (Unified Contact Center Express) 5. CME (Cisco Unified Communications Manager Express) 6. CUE (Cisco Unity Express) 7. VCS (Video Communications Server) 8. Cisco Telepresence / Tandberg (For Video Conferencing) 9. Cisco Jabber 10. Cisco Voice Gateway / Router (29xx, 39xx etc.) 11. Cisco Switches (PoE and Non PoE) 12. Integration of Cisco Devices 13. Analog Voice Gateways 14. Cisco BE6K / BE6000 15. UCS Servers 16. UC520 / UC500 17. MPLS, Frame Relay, PPP

100% Job Success
$45.00 /hr
4 hours

Paul Irungu

Paul Irungu

Network/Software develper

Kenya - Tests: 2 - Portfolio: 8

I am a .NET developer with 4 years of experience in related fields; I specialize in backend, APIs, web-services and desktop applications. This means that I have familiarity with rest, Entity Framework, XAML, LINQ and a commitment to gaining expertise in Microsoft .NET technologies stack. In addition to my years of experience, I hold Bachelor of Science in Telecommunications Engineering from Makerere University. I'm always looking for opportunity to improve the project I'm working on.I do my best to provide my customers with every bit of knowledge and experience I have. I keep polishing my skills by taking additional courses in my field. I spend as much as 10 hours per week watching training videos and attending online webinars on professional and organizational topics. I am dreaming to take part in some really big data and high-load project

$15.00 /hr
0 hours

Matt Campbell

Matt Campbell

Expert Systems Engineer, Drupal, Database, VBA & PHP Developer

United States - Portfolio: 9

I specialize in Database Development, VBA, SQL, PHP and Microsoft Access. This includes a broad scope of Web Development with Drupal and Wordpress. I am also a MCSE and MCITP. I work as a Windows System Administrator for a large retail POS company. I am network administrator, Linux server technician, web developer, Access programmer, Excel developer, reporting guru, statistician and an expert systems engineer all around. I graduated with an interest in finance, mathematics and statistics. My initial background is in finance. Creating very robust financial modelling databases, and making countless custom queries and reports. This evolved into front end database application development, multi user network based structures, and dense error handling routines. From there I went into data analysis for a large mailing company. Skyrocketing my knowledge of database structures due to the immense size of the datasets. Overall my knowledge base is very broad, and I enjoy learning!

96% Job Success
$35.00 /hr
8 hours

Oleg Burca

Oleg Burca

System, Network and Hosting administrator. Wordpress Specialist.

Moldova - Tests: 6 - Portfolio: 2

Hi, I am Linux and Windows administrator, with more than 8 years experience. Currently I'm working as DevOps specialist and SysAdmin for a development company. We create websites, online shops, APIs, applications and much more. I manage more than 50 virtual and dedicated servers hosted on AWS, in our DataCenter and all around the world, runing on Windows Server 2008/2012 and Linux Ubuntu/Debian/CentOS. Most of them are Web Servers, but there are also DataBase servers, Mail, FTP and Application servers. Previously worked as engineer in a hosting company and was responsable for installing new services, configuring hosting servers, backup configuration, monitoring and clients support. Managed about 70 servers. I have good network administration skills and a lot of experience with WordPress. Worked a lot with different panels for hosting, billing, datacenter administration, virtualization, VoIP and other. Latest year, most of projects managed by me were hosted on AWS (Amazon Web Services). I am familiar with technologies, the abbreviations of names of those could scare many people: RDS, EC2, Reserved Instances, ELB, SES, SNS, AMI, IAM, S3, VPC, Elasticache, Route53, CloudWatch and others. I can help you plan, configure, scale, monitor, reduce costs of your AWS services. So, what can I do for you?! * First of all I can setup for you a Web Server. IIS on Windows, or Apache/Nginx on Linux. It can be also a mixed configuration with Nginx as frontend and apache for backend. It can be proxy, caching or load balancing configuration. Configure SSL certificates. * I can setup a mail server based on Postfix/Dovecot with antispam and antivirus functionality, with SSL/STARTTLS security. You will be able to use a webmail or dedicated client. * I can setup a File/FTP/WebDav server. * I can setup a MySQL server with PHPMyAdmin. * I can setup a backup solution for your server(s). * I can setup a DNS Server and solve all messing with domains and records for different purposes. * I can setup a virtualization server. * I can setup VoIP server (based on Asterisk/FreePBX). Configure trunks, extensions, conferencies and caller groups. * I can setup a Firewall or/and Gateway server, routers and switches. * I can setup or improve security for your server(s). * I can help you design scalable and reduntant cluster for web, database or application. * I can configure hosting services on AWS, estimate and optimize costs. Most experienced with EC2, RDS, ELB, Route53, SES, SNS, AutoScalling. * I can setup a Git Server (based on GitLab). * I can setup Jira or Confluence on your server. * I can setup Windows Exchange server. * I can setup Windows SharePoint server. * I can configure any business services offered by Google, Microsoft, Yandex or other. * I can migrate your site(s) to another hosting account or server. * I can improve your WordPress website performance and secure it. * I can assist or train you on all stuff about.

$16.67 /hr
0 hours