I would push him towards cisco networking. If you sign him up here: https://www.cisco.com/c/m/en_sg/partners/cisco-networking-academy/index.html
You can put him on track to becoming a network engineer. It's a great program, and if he wants to make money this is the way to go.
si ya tienes formación en nano te recomiendo que mejor te metas a cursos random para certificación en automatización (desde casas como AMX, Crestron, DMX, etc.. hasta industria Rockwell, Honeywell, Allen Bradley, etc) que la mayoría de estas marcas dan los cursos totalmente gratis, por otro lado aprende redes con certificaciones de proveedores como Juniper
https://learningportal.juniper.net/juniper/user_activity_info.aspx?id=11478
o Cisco
https://www.cisco.com/c/m/en_sg/partners/cisco-networking-academy/index.html
I haven't started it yet but I'm hoping this will help me get the ball rolling.
https://www.netacad.com/virtual/wr/pcap-programming-essentials-python
If anyone can speak on the quality of this training I'd love to hear about.
Semirelated additional free training here, Linux, Cybersecurity in addition to the PCAP:
https://www.cisco.com/c/m/en_sg/partners/cisco-networking-academy/index.html