Office work for the new maid at the Nag's Head (5)

I believe the answer is:

admin

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'office work' is the definition.
The definition suggests a singular noun which matches the answer.

'new maid at the nag's head' is the wordplay.
'new' is an anagram indicator.
'at' says to put letters next to each other.
'head' says to take the initial letters.
The initial letter of 'nags' is 'n'.
'maid' is an anagram of 'admi'.
'admi'+'n'='ADMIN'

'for the' is the link.

Can you help me to learn more?

(Other definitions for admin that I've seen before include "Management function" , "Back-office work (abbr)" , "Clerical work (abbr.)" , "Paperwork (informal)" , "Organisation (colloq.)" .)

I've seen this clue in the Evening Standard.

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