Networking online is an effective and easy way to meet many people in the same field or industry

Yes, I would say that it's correct.

However, this networking should be focused on the relevant places, such as field or industry-related social media, mailing lists and forums. An active participation in field related forums will help networking and making your name more visible. 

He would most likely be employed by a gov. agency or homeowner because he has the required skills that have to be known to apply and get hired into those jobs.