Green’s Dictionary of Slang

deskie n.

also deskateer
[SE desk + sfx -ie/-ateer, the latter hinting at the spurious romance of musketeer]

(US) a desk clerk.

[US]Eble Campus Sl. Mar. 2: deskie or deskateer – a night attendant in a dorm.
Dly Tar Heel (Chapel Hill, NC) 23 Apr. 10/4: You can’t call yourself a true deskie until some dazed person comes up to you and says, ‘Excuse me, could you tell me my phone number?’.