BOSTON — A top state Department of Conservation and Recreation official has resigned after he inappropriately used the emergency lights and sirens of his state vehicle.

Matthew Sisk, a deputy commissioner at the DCR, resigned effective immediately, officials said Friday. A spokeswoman for Republican Governor Charlie Baker said Saturday that Baker was “disappointed” at Sisk’s “poor judgment.”

Peter Lorenz, a spokesman for Baker’s Energy and Environmental Affairs office, said the administration has launched a review to ensure lights and sirens on state vehicles are being used for emergency purposes only.

Sisk didn’t respond to requests for comment Saturday.

Earlier this year, Sisk and DCR Commissioner Leo Roy had been placed on one week unpaid leave for using taxpayer resources on an Independence Day party at the Boston home of GOP national committeeman Ron Kaufman.