He was caught on camera carrying a large quantity into a room where it should not have been and then took some in a bag to the guardhouse where he was allowed to leave without having his bag searched.
Police found about 21kg of tobacco, worth about $32,000, at his home.
Fairfax reported Terrence Andrew Whitcombe, 32, who worked in tailor-made cigarette production, was caught hollowing out a loaf of bread into a plastic bag before putting packs of cigarettes inside.
When authorities searched his home they found about $975 worth of cigarettes and just under $5000 worth in a steel work cabinet he used to stash stolen smokes.
Sui Mano, 26, who admitted stealing $120,000 worth of tobacco, was filmed with two others taking tobacco into a room amd was then seen carrying sports bags to the guardhouse.
The bags were then passed through a window to the car park.
Mano said he was paid $10,000 for his part in the theft.
An unnamed security guard has also admitted
The men have been remanded on bail, ahead of sentencing next month.