Network & System Administrators

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Aleksandr Z.

Aleksandr Z.

Expert UNIX and network administrator

Russia - Tests: 10

My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD, solaris and Windows Server - proficient Cloud services: AWS, Rackspace Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Zabbix, Monit, Munin, Cacti Virtualization: Citrix, OpenVZ Mail servers: Dovecot, postfix, Exim Backups: Bacula, duplicity Other: standard network services (DNS, DHCP, LDAP, Samba, http proxy, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding, bgp, ospf, infiniband).

$20.00 /hr
202 hours

Maksim Kharin

Maksim Kharin

System and Network Administrator

Russia - Tests: 1

Setting up and maintenance network devices: Cisco, Juniper, Mikrotik. (Vlan, Trunk, Port-Channel, EIGRP, IPSEC, Port-Security, STP, VTP). Setting up and maintenance of servers with OS Windows 2003R2/2008R2/2012R2 (AD, TMG, DHCP, FileServer, DFS, DNS, PrintServer, Hyper-V); Linux and FreeBSD (Apache, MySQL, Zabbix, MRTG etc). Writing scripts and programs on PoweShell, Perl, PHP, C # to automate actions;

$5.50 /hr
5 hours

Vladimir Fedak

Vladimir Fedak Agency Contractor

Data analysis and forecasting. Linux System administration

Ukraine - Tests: 6 - Portfolio: 9

Nice to meet you! My name is Vladimir Fedak and my mission is to ensure the stable operation of your IT infrastructure and develop solutions to help growing your business! I started providing my services in 2005 and there are hundreds of successful projects on my list. I offer: 1. Linux System Administration. DevOps Engineering OS: RHEL-like, Debian-like, Gentoo, Windows Virtualization technologies: OpenVZ, Qemu-KVM, ESX(i), OpenStack, Proxmox Cloud technologies: Openstack deployment, support and monitoring OwnCloud: installation, configuration, integration with LDAP, WHMCS and e-mail High-Availability (Failover technology): heartbeat Load balancers: Linux Virtual Servers, HAProxy Server monitoring: Nagios, Zabbix, Icinga2, Graphite, Grafana + own plugins for custom checks Web Server: Apache HTTP, Apache/Tomcat, Nginx, Lighthttpd Network and protocols: OpenVPN, Tunneling, Proxy, VNC, DHCP, DNS, VLAN, policy routing, iptables, OSPF Hosting: WHM, WHMCS WHMCS: script creating, module completing, integration with other systems (LDAP, ownCloud) VoIP: Asterisk, Elastix, PBX Configuration Management: puppet DBMS: MySQL Backup systems: Bacula deployment, scripting,support and monitoring Scripting languages: PHP, Bash, Python 2. Web development. Ecommerce Skills: HTML5, CSS3, XML, XSLT, JSON, JavaScript, jQuery, Angular.js, Bootstrap, Ajax PHP 5, Yii, Laravel MySQL, MongoDB Joomla, Wordpress, Drupal, OpenCart, Magento 3. Big data Data Mining, Artificial Intelligence and Machine Learning Skills: C++, Python, C#, MATLAB, Java, VB, Prolog, Haskell, SQL, Assembler, MQL4, QPile, CLIPS Web scraping software Distributed systems Automated trading systems 4. QA automation Skills: Java (Junit, TestNg), Selenium IDE, Selenium (Webdriver), Eclipse Juno, Maven, JMeter, Jenkins, Thucydides, Inteljia IDEA, Sikuli IDE, Sikuli, Winium, Codeception PhpStorm, Browserstack 5. Android apps development Mobile applications for business Mobile applications for government 6. UI/UX design, Web design 7. StartUp consulting and project management

$27.78 /hr
210 hours

Rolando Jr. P.

Rolando Jr. P.

Freelance IT Support and Help Desk

Philippines - Tests: 1

To obtain a position which will allow me to use my excellent communication skills. I can explain in clear and simple terms, the various details of a product, or troubleshoot at a moment's notice. To utilize my prior experience in working in a call centre. I am aware of the factors that govern the job of a technical customer support and will need less hesitation than most other candidates. I have the patience and the stamina to endure long work hours and thus I can benefit my company as well.

$5.56 /hr
348 hours

Milic Dubak

Milic Dubak

Expert PLSQL developer and Oracle database administrator

Montenegro

I have several years of experience in software development and database administration. Working experience in banking and telecommunication companies. Many projects accomplished like: database migrations and upgrades, Oracle RAC installations, Oracle database replication, Oracle BI and DWH configuration and several application software development projects.

$40.00 /hr
1 hours

Yevhen L.

Yevhen L.

Web Expert: Magento, SEO, Scraping, Laravel [10+ years experience]

Germany - Tests: 2 - Portfolio: 4

A expert with 10+ years of experience in web. ✓ Available on Skype and German Mobile ✓ Available to permanent position ✓ Free SEO & IT Consultation Skills: ◉ PHP (Magento, Wordpress, Laravel, Symfony, Custom Code) ◉ FRONT END (HTML5, CSS3/LESS/Boostrap, JavaScript/jQuery) ◉ Server Side (FreeBSD, Linux, Ubuntu, Nginx, Varnish) ◉ SEO (research keywords, SEO analyse, founder https://iocheck.com) ◉ MySQL, database design ◉ NoSQL (Redis, Memcache, etc) ◉ Search Systems (ElasticSearch, SphinxSearch) ◉ Photoshop, Illustrator Latest projects: ◉ http://alamio.de ◉ https://iocheck.com ◉ https://www.sugartrends.com/ ◉ http://www.pharmamarket.be/ ◉ https://firebearstudio.com/ Linkedin Profile: https://de.linkedin.com/in/yevhenlisovenko

$55.00 /hr
28 hours

Mel-Leo Rosal

Mel-Leo Rosal

Software and Web Solutions

Philippines - Tests: 16 - Portfolio: 21

I am good at Software Programming, Web Programming, Data Analysis, Database Design and Systems Administration. tl;dr I'm always available just email me here for requests. Over the last 7 years, I have developed many custom applications for private individuals and small businesses. I also have the passion in web hosting, web programming, network security and optimization of systems. I consider myself as a creative solutions maker and I am here to learn more and to offer quality solutions to your IT related problems. • Main Skills (VB, .NET, C#, SQL, ASP, PHP, JavaScript, CSS, MSAccess, ...) • Other PL/ML/SL (C/C++, Java, Shell Scripting, AutoHotkey, AutoIt, LUA, ATCommands, ... ) • Business Systems (Inventory and Billing System, Stock Management System, Hospital System, Point of Sales System, Restaurant System, Payroll System, ...) • Hardware Integrations (GSM Modems, Barcode Readers, ...) • Software Integrations • Database Systems (MySQL/MariaDB, MSSQL, ...) • APIs (Win32 API, ...) • Others (OpenVPN, WinAutomation, Batch, GIT, SVN, ...) • Tools (Basic4Android(B4A), Visual Studio 6/2008/2010/2012/2013, Crystal Reports, Inno Setup, Bootstrap, jQuery, WordPress, ...)

$22.22 /hr
31 hours

Haider Ali

Haider Ali

Virtual Assistant | .net Developer | Real Estate Process Optimizer

Pakistan - Tests: 3

Filled with lots of positive energy and always excited towards completing my Goals which drives my passion trying to achieve the maximum. I'm creative yet have critical thinking, managing each task I have in an organized way so that it will produce more work in less repetitive actions. My best thing is to observe and learn each logical aspect of facts to get the problem SOLVED. I love to program & find answers to problems using Divide & Conquer strategy. More than 5 years of experience working with off/on shore projects including following tools/skills: 1. Excellent Customer Support 2. US Real Estate Virtual Assistance (REO / FSBO / Cold Calling / Appraisals / MLS Listings) 3. Zoho / GAD (Vtiger) CRMs 4. VB Net / imacros 5. VOIP using Asterisk 6. Google voice 7. Bootstrap Landing Pages / Squeezed Pages / HTML 5 / Java Script 8. C# desktop Apps with Microsoft Sql Server / Sql Compact 9. Lead Generation 10. Email Campaigns 11. Google Analytics 12. Admin Support 13. Logo / Broucher Design (Adobe Indesign / Photoshop)

$4.00 /hr
21 hours

Md.Ainul Moin Noor

Md.Ainul Moin Noor

Full Stack Web Developer

Bangladesh - Tests: 8 - Portfolio: 10

During the last 6 years, I have been able to develop my strength and skills to enable me to develop many innovative websites and solve difficult problems to a high standard. During my career as a web developer, I learned to design the code to modularize and make it scalable, make the code cohesive, yet loosely coupled to attain maximum flexibility and performance. I prefer working with technical clients, who know exactly what they want - I am essentially a developer, I design and deploy the software to exactly the spec provided. My web experience includes Server side: PHP5 MVC Frameworks and CMS: Laravel 5, Magento, Wordpress, Client side: Javascript, jQuery, AngularJS, AJAX Databases: MySQL, Oracle, MongoDB, MSSQL, SQLite Software Content Management: Git, Github, Bitbucket Miscellaneous APIs: PayPal, Dudamobile, Facebook, Twitter, Instagram, Google Map, Google Custom Search, Youtube, Linkedin, Yelp, Fedex, UPS, USPS, DHL, oAuth. Others: HTML5, CSS3, JSON, XML, cURL, Javascript, jQuery

$11.00 /hr
260 hours