Superior Facilities Management Services (SFMS LLC) in Gaithersburg, MD immediately needs an EXPERIENCED Concrete Finisher. Full-time position with excellent pay, benefits, and. Signing Bonus. Our projects are City, State, and Federal contract. . Requirements. Minimum of three (3) years of experience with Concrete Sidewalks, Curbs, Gutters, and Flatwork. Starting pay from $27 - $29 per hour depending on experience. Valid driver's license with rel...