First, it will help if you know any programmers or freelance game designers as these people might be able to introduce you to the bigger companies that are looking for video game testers.
Most people are not fortunate enough to know a programmer or game development team so you will have to go and actively look on the net for video game development companies and find on their websites if they are currently looking for video game testers and advertising Game tester jobs.
A good way To Get A Game Tester Job is to call the companies up and tell them how many video games you play and how good you are at them. Being proactive will help show them that you are very serious about a career as a game tester.
No qualifications or degrees are needed to get a Game Tester Job but good writing and communication skills will help, but that is developed over time. If you show that you are a good video game tester and write good review on your first job you will more than likely be offered further work.
It is relatively easy to get a game tester job and by actively seeking employment and showing them how good you are you are sure to find employment. You can even ask for a test period to show that you are eager enough you will sooner or later get your video game tester job.
I hope this has helped you learn How To Get A Game Tester Job. You can cut the learning curve drastically by following someone who does it for a living already at Video Game Tester