What are high speed connections to the internet called?

Broadband Connections

This connections include several transmissions like Fiber, DSL, Satellite, cable modem and wireless. These high-speed transmissions you choose will depend  on a number of factors like the location and how broadband internet access will be packaged (voice calls, streaming high quality videos or video conferencing).

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.