Would you work a 78-hour work week for a $128,000 salary and a Maserati?

One London family is willing to fork over $128,000 a year and incredible perks like optional use of Maserati to attract strong candidates for an important job: taking care of their kids.

The family is looking for a full-time nanny who lives with them— but to say that the job is demanding would be an understatement.

The yearly salary was listed as £100,000 on the job posting, which is $128,250— proving one thing: this is by no means your average babysitting position.

Not so fast...

By now, you're probably wondering about the catch.

You need no less than 15 years of nannying under your belt, and must clock in from 7am-8pm six days out of the week. That's a 78-hour workweek.

There's also the part where you can't currently be a parent of any children —but you need a degree in child psychology, you need to sign an NDA, you have to play a role in the kids' education and have to fly globally three times a week to meet them.

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Is this real?

As far as we know, it is: the childcare website reportedly told CNBC in an email, "As far as we can see, that profile does appear to be genuine, although a little different compared with most of our other parent advertisers."

The news outlet also reported that although who the family and the mother are remain "unknown," the mother who wrote the description told "CNBC that it is a real role" in a "private message."

The family recently posted that they'd received more than 300 applications by that time "and only a small handful meet the specific requirements and criteria clearly stipulated in the advert below," then asked those interested not to apply if they don't have everything they want in a candidate.

Let this sink in

For that kind of money and time, the perks are considerable. The family has four (most likely beautiful) homes across the world, in London, Cape Town, Atlanta and Barbados.

They have four homeschooled kids whose every meal is crafted by a Michelin-starred chef. The parents' preference is to have the nanny join them during each meal (although it's not required). It's not clear whether the nanny gets to enjoy the Michelin-star meals if she's not at the table with the kids, but it doesn't look good for her: "We'd prefer our nanny to eat with the children at every meal, which will be cooked for them by a Michelin star chef, however this isn't mandatory. " The emphasis is ours.

Other perks: Access to the family's Maserati, a Porsche and a Range Rover to take the kids to appointments each day and run errands.

The best candidates should be "trained in self-defence," — which is non-negotiable, the family says. If the nanny doesn't come prepared with those skills, the family will pay for training, they said.

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