IT & Networking Administrators

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Mark Julius P.

Mark Julius P.


Philippines - Tests: 5

I have a broad knowledge w/ regards to IT and networking both on hardware and configuration skills. Can also handle network troubleshooting and isolation. Familiar with IP addressing, WAN & LAN. And also an internet savvy personality. I have advance skills in remote IT support, desktop services and tuneups, I can provide remote assistance for Mail exchange servers, Windows servers, SBS in all versions.

$6.67 /hr
8,844 hours

Julian Kadelski

Julian Kadelski

IT Support / Networking Specialist

United States - Tests: 3

Hello, if your computer is slow, non-responsive, or flat out dead... I can help bring new life to your slow machine. Many people go through the hassle of carting their heavy PCs into computer repair shops, or buying new computers when they can get all the help they need online! I specialize in advanced computer diagnostics and repair. I also do online tutoring courses as well. Some services i can provide you with are as follows: - VIRUS REMOVAL - SPYWARE REMOVAL - MALWARE REMOVAL - PC SPEED OPTIMIZATION - PROACTIVE SECURITY MAINTENENCE - INTERNET OUTAGES - SOFTWARE SET-UP AND INTEGRATION - ONLINE TUTORING - PC HARDWARE REPAIR - NETWORK ADMINISRATION - AND THESE ARE JUST A FEW!! I can practically help you with any of your computer needs. And the best part, you do not have to pay BIG name prices. Many big name companies rip their customers off because they know we need computers. All of my provided services come with a 100% satisfaction guarantee if you are not happy with the work that is provided, let me know and i will do my absolute best to correct it, or if requested.....issue a refund. ---- I also have multiple certifications from Cisco including my CCNA. Thank you very much and as always..... TECH ON!!

$25.00 /hr
0 hours

Jagraj Singh

Jagraj Singh Agency Contractor

IT Support and Networking

India - Tests: 1

I am experienced IT Engineer and my skills are: - Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, Configuration, audit, optimization) - Webhosting Administration (cPanel, Plesk, DirectAdmin) - Apache (installation, configuration, optimization) - MySQL (installation, configuration, optimization) - Subversion systems - SVN, Perforce (instalaltion, configuration) - Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) - Network administration - Remote Desktop Support - Patch Upgradations - Microsoft Services (AD, DHCP, ISA etc) My communication skills are excellent and I am available 40 hours per week.

$13.00 /hr
10 hours

Willie Price

Willie Price Agency Contractor

IT Networking/System Admin Professional

United States - Tests: 5

To obtain projects that would allow me to utilize my extensive networking skills and be a very vital asset to a Buyer. Also to develop an ongoing professional relationship to provide the best support needed by the buyer.

$26.11 /hr
1,713 hours

Alexander Breton

Alexander Breton

IT Professional, Networking and Security experience

Dominican Republic - Tests: 1

Hello!, I've over 10 years of experience working with IT, keep myself updated in the area, have accomplish been Tech Support for a company that serve over 2,500 users. Have worked myself, with virtualization projects, manage setup of massive amount of PC's, always seek for the enhancement of the IT Platform. Have a great concern about the Network Security, Internet Security and OS Security, always researching for the best and newest software for the best interested. Great Skill with Customer Service, working under pressure, work with a team and managing the team to accomplish the goals established. Experience Fixing Computers, Computer hardware, Software and Mobile hardware's and extend experience about computers-hardware troubleshooting.

$23.33 /hr
0 hours

M.A Kalam

M.A Kalam

Web Scraper, Web Research, Database Developer, IT & Networking Expert

United States Minor Outlying Islands - Tests: 1

With 5 years of Experience. I am a Software, Web, Database Developer, IT & Networking Expert professional probing for work on online. I theorize on work work and hard-work. I am well-behaved, reliable and veracious freelancer. So I want to explore my merit and vocation experience to the cloud and to provide customers with reliable, trustworthy, cost efficacious accommodations to efficiently operate their business.

$12.00 /hr
1 hours

Bogdan B.

Bogdan B.

Sr Linux System Admin (Nginx, Magento, Percona, Mongo, HHVM, MySQL)

United States - Tests: 2 - Portfolio: 5

- Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento Speedup, System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)

$45.00 /hr
515 hours

Andrey Gubanov

Andrey Gubanov

Senior JavaScript developer

Ukraine - Tests: 8 - Portfolio: 8

**Looking for long term contract** My main skill is creating single page web applications (JavaScript, HTML, CSS) which are: - Fast and responsive - no UI lags for users - Modular - another programmer can easily extend any app made by me - Stable - tools used by me are verified by my experience (6+ years) - Functioning - I test every part of an app very carefully What do I use: - Module loaders: SystemJS, RequireJS - Building tools: Grunt, Gulp, NPM - Programming language: ECMAScript 6/7 compiled to cross-browser JavaScript via Babel (I love it!) - CSS preprocessor: SASS (SCSS), PostCSS - Unit testing: Jasmine, Karma runner - JavaScript Frameworks: MatreshkaJS, React - DOM library: jQuery, Balalaika, VanillaJS - Server programming: NodeJS, Express - Server databases: MongoDB, MySQL - CSS framework: Bootstrap, MaterializeCSS, Onsen UI - Data visualization: Highcharts, d3, VanillaJS - Desktop apps: nw.js, Electron - Mobile apps: Phonegap, ... And other cool and modern tools Besides, I can: - Work with any API (Parse, Firebase, Google...) - Make offline web application via HTML5 cache - Make an app which doesn't require server programming at all (if it's posible) - Learn any new technology if it's needed I love open source and I have few projects made by me. You can find them on my Github pages. There is my personal profile: There is my organization profile:

$47.00 /hr
3,603 hours

Chalitha Wickramathilaka

Chalitha Wickramathilaka

Senior Backend Programmer / Tech Lead

Sri Lanka - Tests: 2 - Portfolio: 16

From almost 12 years I have been working with php based web applications. MVC, and Zend Framework 1/2 development environments. I have the same experience with java scripts /jQuery/extjs frameworks. I have more than 7 yrs experience on load balancing . Clustering , and replication over debian, centos and redhat systems. I use Oracle and mysql databases on most of my projects. As a code collaboration tool I am using Gforge with svn/git for my projects. also I have strong experience with iptv application such as tvguides, epg, music applications etc etc. I have been working on high loaded websites, application databases for my work. I have strong knowledge of optimizing web applications smooth run on a very high load. Also I have experience with hardware Visualization on VMware boxes. I have additional experience in ETL Jobs / Mysql clustering / Piranha / php heavy load balancing / caching nodes. Android / FB apps/ REDIS/VMware ESX configuration

$33.33 /hr
5,298 hours

Andrew C.

Andrew C.

Linux/Unix System Engineer, Junior Python/Ruby Developer, Cloud Soluti

Moldova - Tests: 4

Management Systems, provide Infrastructure solutions, always focused to deliver high available solutions, for my clients. OSs: Debian, Ubuntu, Centos WEB deployment: (installation / optimization / deployment /) using: - Apache, Nginx, PHP, MySQL, Varnish, Memcached, Java Applications based on Tomcat - Development Processes automation based on Jenkins, Puppet. - Deployment (configuration and administration) of web applications built on: - Drupal CMS, Magento, Zend, Symfony Framework Databases (installation, configuration, administration): Mongodb, MySQL Cloud Systems: AWS(auto scaling, Loadbalancer, EC2, S3, Route53, Automations scripts (API)), DigitalOcean PaaS: Openshift Monitoring Tools: - Capturing, analyzing and storing statistics with Logstash, Graylog2, AMPQ, Elasticsearch - Drawing maps with statistics Collectd, Graphite - Alerts, notifications and syslog with Dude, Nagios - Advanced knowledge of Nagios Hight secured VPN system: OpenVPN based Virtualization: ESXi, KVM, OpenVZ Networking: Advanced level of administration Cisco devices: CCNA Certified, Basic level Mikrotik routers Backup Bacula based Storage systems, NFS, Glusterfs. Subversion administration. Chat, Openfire based Basic level: Bash scripting, SQL, Ruby, Capistrano, MongoDB, Vagrant, F5 BIG-IP load balancer, Haproxy

$27.78 /hr
1,835 hours