Political advisors to Coalition government MPs and Senators say they are prepared to politically embarrass their bosses by rejecting a new deal on their pay and conditions.

Fairfax revealed last week that some Liberal and National politicians faced a revolt by their own staffers who were not prepared to accept what they say is a substandard new deal on wages and workplace conditions.

Employment Minister Michaelia Cash and her colleagues face defiance within their own offices over workplace policy. Credit:Alex Ellinghausen

The strife in Coalition ranks deepened on Monday as public servants at the Administrative Appeals Tribunal, National Museum and Department of Agriculture voted to reject proposed enterprise agreements, for an unprecedented fourth time of asking in Agriculture's.

A group of Coalition staffers stepped up its campaign as voting by about 1600 political workers began on Monday, with the rebels telling their colleagues that the deal on offer "fails the Coalition ethos" of reward for hard work.