Consulting and troubleshooting hosting and hosting related products is my expertise.  I often troubleshooting or supporting the following areas:

-Linux OS (CentOS/Ubuntu/Fedora)
-Windows OS (Windows Server 2008 R2,Windows Server 2012 R2)
-Server Firewall (Cisco)
-Shared Hosting/Virtual Private Hosting/Dedicated Server
-FTP/sFTP/SSH
-Basic Programming Troubleshooting (HTML/PHP/ASP)
-CMS Support (WordPress,Joomla!,Drupal,Magento,Prestashop)
-Database Management (MySQL,MS SQL)
-Server Control Panel Management (WHM & cPanel, Parallels Plesk)
-SSL Support
-Email Management

Tools I use:

-Filezilla (FTP/sFTP/FTPS)
-putty (SSH)
-Remote Desktop Connection
-Notepad++ & Sublime (File Editing)

I have solid experience with each area and tool.  I try to be a jack of all trades.