The justices overrode lower court orders that temporarily froze the cuts, which have been led by the department of Government Efficiency.
The court said in an unsigned order that no specific cuts were in front of the justices, only an executive order issued by Trump and an administration directive for agencies to undertake job reductions.
Justice Ketanji Brown Jackson was the only dissenting vote, accusing her colleagues of a “demonstrated enthusiasm for greenlighting this President’s legally dubious actions in an emergency posture.”
Trump has repeatedly said voters gave him a mandate to remake the federal government, and he tapped billionaire ally Elon Musk to lead the charge through DOGE.
Tens of thousands of federal workers have been fired, have left their jobs via deferred resignation programs or have been placed on leave. There is no official figure for the job cuts, but at least 75,000 federal employees took deferred resignation and thousands of probationary workers have already been let go.
In May, U.S. District Judge Susan Illston, who was appointed by Bill Clinton, declared that Trump’s administration needed congressional approval to make sizable reductions to the federal workforce. By a 2-1 vote, a panel of the U.S. 9th Circuit Court of Appeals refused to block Illston’s order, claiming that the downsizing could have broader effects, including on the nation’s food-safety system and health care for veterans.
Among the agencies affected by the order are the departments of Agriculture, Energy, Labor, the Interior, State, the Treasury and Veterans Affairs. It also applies to the National Science Foundation, Small Business Association, Social Security Administration and Environmental Protection Agency.