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Last updated: October 1, 2015

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Anton Rubets

Anton Rubets

System/Network administrator

Ukraine - Tests: 4

Operations systems: - *NIX: *BSD, Solaris, Linux (Debian, CentOS, Ubuntu); - Windows (XP, Vista, 7, 8, WS2003, WS2008). Networks: - OSI, TCP/IP models; - Network design; - Local, Wi-Fi and Global networks; - Cisco routers and switches. Software: - Virtualization and cloud system (VMware, XenServer, Proxmox, CloudStack, OpenStack); - Web servers (Apache, nginx, unicorn); - Databases (MySQL, PostgreSQL, Oracle DB); - MTA (Exim, Postfix); - Mail servers (Dovecot, DBmail); - Monitoring systems (Nagios, Cacti, Zabbix); - Proxy server (Squid); - Software versioning and revision control systems (Git, SVN); - File share (NFS, Samba); - FTP, TFTP; - LDAP (OpenLDAP, Active Directory); - Windows Server Services (WDS, WSUS, Group Policy, Hyena, SNMP, DNS, Terminal); - VOIP (Asterisk+FreeBPX); - Backup system (Bacula); - Automation (Ansible); - Amazon (EC2, Route53, S3); - Project management systems (Redmine, Trac). Programming: - Shell, Bash; - Sed & AWK; - C++; - Python. Literature: - UNIX AND LINUX SYSTEM. ADMINISTRATION. HANDBOOK, 4th Edition. [E. Nemeth]; - Computer Networks, 5th Edition [A. S. Tanenbaum, D. J. Wetherall]; - Computer Networks: Principles, Technologies and Protocols [N. Olifer, V. Olifer]; - Cisco CCENT - CCNA ICND1 640-822 Official Cert Guide, 3rd Edition [Odom W.]; - Asterisk: The Definitive Guide, 4th Edition [R. Bryant, L. Madsen, J. V. Meggelen]; - OpenLDAP Software 2.3 Administration Guide; - OpenStack Cloud Computing Cookbook, 2nd Edition [K. Jackson, C. Bunch]; - The Logstash Book [J. TurnBull]; - Flask – web development [M. Grinberg]; - MySQL High Availability, 2nd Edition [ C. Bell, M. Kindahl, L. Thalmann]; - HaProxy. Configuration Manual 1.5 [W. Tarreau].

$11.11 /hr
14 hours

Alexander B

Alexander B

Linux/Asterisk/Vicidial expert/API/CRM Developer

Dominican Republic - Tests: 3

10 years of experience with production unix systems 6 years of experience with VOIP pbx and callcenter solutions. I prefer a custom writting setups but have lot of experience in freepbx based pbx setups like pbx in a flash, elastix, trixbox, asterisknow, vicidial, goautodial). Lot of experience in writting CRM/accounting/billing web applications and voip frontends with PHP and mySQL. As well have done numerous integration project. I am seeking opportunities to build new state of art PBX and CRM systems from the ground up for you or your business.

$50.00 /hr
5 hours

Danail Petrov

Danail Petrov

Sr. Network expert

United Kingdom - Tests: 15

• Highly skilled networking expert with more than 14 years of professional background. • Experience in service providers, enterprise, government and banking sectors. • Experience with low-latency networks, long-term projects and people management. • Vendor independent. Certificates: • CCIE SP #24964 • CCIE Security (Written) • CCIE Data Center (Written) • JNCIS-M • LPIC-101, 201 • ITILv3 Foundation Core competences: • Service Provider • Data Center • Enterprise networks • Managed Services • Banking • Network Security • Consulting • Operation & Troubleshooting • Auditing Experience with following platforms: • Cisco IOS: 2800, 2900, 3800, 3900, 2960, 3560, 3750, 4500, 6500, 7600 • Cisco NX-OS: Nexus 2000/3000/5000/6100/6200/7000; Nexus 1000v, • CSR 1000v • Cisco UCS B & C Series • Cisco IOS-XR: ASR1000, ASR9000, CRS-1 • Cisco ASA 55xx/55xx-X, ACE • Juniper JunOS: NetScreen, SSG, J-Series, M5, M7i, MX960

$111.11 /hr
1 hours

Panayotis Tsiamis

Panayotis Tsiamis

Senior Systems and Software Engineer

Greece - Tests: 7 - Portfolio: 14

Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

$30.00 /hr
525 hours

Alexey K.

Alexey K. Agency Contractor

Experienced php-programer

Ukraine - Tests: 2 - Portfolio: 1

Real experience in: - PHP 5.x; - MySQL 5.x; - JS; - OOP; - Ajax; - Web-site development; - CRM; - Unix-based server's script creation. I have 2 years of programing experience added to 2 years of unix-based systems administration. Although it is not much, I've started with a massive, serious projects and continued to improve my skills. Now I seek for a chance for further improvement and am willing to test my abilities in game and web development.

Associated with: Kovalenko & son

$22.00 /hr
20 hours

Andrew M

Andrew M

Python developer / Unix administrator


I'm Python developer and UNIX administrator (mostly Linux and FreeBSD) with 8 years experience. Developed web-applications (Django based) and backend scripts, also coded PyQt and PyGtk desktop interfaced software. Setup different software stacks (nginx, apache, mysql, postgres, php-fpm, memcached, redis, mongodb, tomcat, postfix and many others)

$10.00 /hr
149 hours

Carlos Alfonso Aguilar Paredes

Carlos Alfonso Aguilar Paredes

Computer Science Engineering / Master Project Managment

Honduras - Tests: 5 - Portfolio: 4

Software Development • .Net (VB, C#, C++, ASP .NET 2). • Delphi. • GUPTA CTD (Centura, SqlWindows). • C/C++. • Power Builder. • Asm. • ML. • PHP. • ADA. • Java, • Java Script. • Jscript • VB Script • JSP. • Fox Pro. • Python. • Perl • SAP SDK • Joomla Data Base • Access. • Dbase. • PostgreSQL. • FireBird. • MS SQLServer. • SyBase. • Oracle. • SqlBase • DB2/AS400 Linux/Unix Experience • RedHat • Debian • Ubuntu • Centos • Suse • FreeBSD Operating System • Windows Server: Active Directory Installation, Group Policy, DHCP, ISA Server, FTP, Exchange, and configuration in Windows Server 2003. • Linux: Provisioning Server, DHCP, FTP, LDAP, MAIL SERVER, SAMBA, etc. • AS400: DB2 Management. Software • Sap Business One • Visual Hur • SIAD • STC • Microsoft Office Suite • Open Office Suite • VM Ware Workstation • Adobe Photo Shop • Virtual Box • SoapUI • Xmind • MindManager Appliance • SAN/NAS Appliances: Openfiler and FreeNAS. • Virtual Machine: VMWare ESX Server and Xen Server. • E-Mail: Zimbra. • Helpdesk: GLPI and OTRS. • File Manager: OpenKM • Business: Openbravo ERP, VTiger CRM, Orange HRM, SpagoBI Business Inteligence, and Time Trex Payroll. • Communication: Elastix. • Web Conference: Open Mettings and Big Blue Button. • Video Camera Security: ZoneMinder. • E-Learning: Moodle, and Atutor. • Survey: LimeSurvey • MiddleWare: Spago. • Process Manager: Intalio. Reporting • Crystal Reports • Fast Reports • Gupta Reports • IReport

$30.00 /hr
2 hours