A Desktop Engineer specializes in troubleshooting technical issues
for computer users.

Technical support
(often shortened to tech support)
refers to a range of user-friendly assistance that companies offer to their customers on
technical issues with products like software, mobile devices, or other equipments.

A network engineer is a technology
professional who has the necessary
skills to plan, implement and oversee
the computer networks that support
in-house voice, data, video and
wireless network services.