PORTLAND (AP) – The Navy is expanding its civilian workforce at four military installations in Maine in a move that will result in up to 90 new hires.

Sen. Olympia Snowe, R-Maine, said Tuesday that new positions will open up at the Brunswick Naval Air Station, the Portsmouth Naval Shipyard and other Navy centers in Prospect Harbor and Cutler in eastern Maine. The specific positions at each location will be announced next month.

Snowe said the Maine installations were chosen for the new positions because they had received the Navy’s designation as “most efficient organizations.”