The ad on the official palace website says that the applicant should if possible have a "good understanding of kitchen French".
It leaves no doubt too that the cuisine must be haute.
"The post-holder has contact with members of the Royal family, their guests, all levels of household staff and employees at the private residences," the advert warns.
"From state banquets for 200 to lunches for two; and from canape receptions for 800 to staff restaurant meals; our chefs prepare it all to the same exceptional standards."
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Accommodation is provided, the advert says, although it does not specify whether that would be at the palace itself.
Candidates should have "substantial" experience from a five-star culinary establishment, previous experience of fine dining and a "good knowledge of classical French cuisine".
They must also be "proficient in all four sections of the kitchen: larder, veg, sauce and pastry."
The salary is equivalent to USD 35,000, or 27,000 euros.
Darren McGrady, who worked at Buckingham Palace for 15 years, said that in private the queen likes the breakfast cereal Special K, jam sandwiches and chocolate cake, while her favourite lunch was Dover sole.
In the evening the queen is famously partial to a "zaza", a cocktail of one part gin and two parts Dubonnet, well-shaken.