At the Office
Prepositions of Place, Similarity and Function
Use 'in' with countries, cities, towns and regions.
He wants a change of pace after living in Australia.
Nutrition practices in Eugene are admirable.
Use 'at' for place in a city, town or village.
I like to vacation at the beach.
The canning happens at the factory.
Like and As
Use 'like' as a preposition to express that two are objects are similar in some characteristic.
Seasonal work operates like temporary work.
The salespersons looked like zombies.
Use 'as' to express the function that a person takes in an organization.
Tom worked as a clerk doing check-ins.
Tom works as an on-the-job trainer.