The six-time former WWE Champion will host the upcoming reality series as well as decide which competitors are eliminated each week.
"My job is to sort through these contestants, weed out the weak and find the strong, and look for the person who is strong enough and tough enough and smart enough to be a WWE superstar," Austin told IGN.
He added: "You know, there's a lot of people that can get in this ring at a local or independent level, but it takes a real special person to compete at the level of the WWE superstars and divas. So, it's my job to weed through that."
Austin further explained that he doesn't want the reality show's aspiring grapplers to feel that they have an easy path to success in the WWE.
"I paid a lot of dues when I broke into this business," the Expendables star stated. "I want them to learn to respect what goes on inside this 20x20 ring, and just pay some dues, as much as they can, while they're here, and to learn this business from the bottom up.
"I just want them to have a sense of really what are the responsibilities of a WWE superstar, and... I want them to appreciate the rise or fall, but I want them to have a good time while they're here."
Previous Tough Enough competitors include current WWE superstars The Miz and John Morrison as well as mixed martial artist Daniel Puder.
WWE Tough Enough premieres on April 4 following Monday Night Raw on the USA Network.
> Johnson to appear on 'WWE Tough Enough'
Watch a video preview of WWE Tough Enough below: