Edward Backhouse, 35, pleaded guilty to stealing £8,900 from the PowderMills Hotel, in Powdermill Lane, Battle, whilst working as a bar manager at the venue.
Backhouse, from Towerscroft Avenue, St Leonards-on-Sea, stole the money between June 19 and September 19 last year.
He was sentenced at Hove Crown Court on July 28.
The judge handed Backhouse a nine month prison sentence, suspended for two years.
He was also ordered to carry out 240 hours of unpaid work and must pay £500 court costs.
Backhouse will return to court on September 5 for a proceeds of crime hearing.