NIPSA general secretary Brian Campfield said: "We are faced with the loss of thousands of public sector jobs as a result of the 2015/16 budget.
He added NIPSA will be calling on political parties to refuse to support any new UK Government formation which doesn't commit to ending the cutbacks.
president Carmel Gates said it was disgraceful that ministers and management were doing "little or nothing" to find a resolution to the dispute.
NIPSA president Carmel Gates, who vowed to fight the move all the way, described the department's actions as "disgraceful and vindictive".
The NIPSA president said staff had been told they would be sent for a medical examination to assess their fitness for work but that DSD personnel over-ruled that.
WORKERS union NIPSA is planning a series of "selective strikes" which could cripple front line public services across Ulster.
NIPSA President Carmel Gates said: "All civil servants get an annual increment to do with staffing scales but they also get an annual cost of living rise.
Civil service union NIPSA
later told staff they have certain legal protections when speaking out about the commission.
, the civil service trade union, is supporting the trio and intends to seek guarantees over long-term health concerns.
has confirmed the Department of Finance has already made contact over thousands of civil service jobs due to budget cuts.
Padraig Mulholland, of the province's public sector NIPSA
union, said the cash should have gone on schools and hospitals.
Thousands more are expected to travel west to Enniskillen for another protest organised by Unite, the UK's biggest trade union and NIPSA
which represents thousands of public sector workers in Northern Ireland on Monday night.