source : http://www.jobstreet.co.id/id/job-search/job-vacancy.php?key=network+engineer&location=&specialization=193&area=&salary=10%2C000%2C000&src=12

as we can see, there are many companies need a network engineer. they even offer a minimum salary  Rp 10,000,000. you can imagine how much salary if you become a network engineer at multinational company. it is only from one website and there are many of them. this post has a purpose to show how worth to learn about networking.