Brown & Root Industrial Services - - Responsibilities: Operate jackhammers and drills to break up concrete or pavement; Position, join, align and seal structural components, such as concrete wall sections and pipes; Smooth and finish freshly poured concrete, using floats, trowels, screeds, or powered cement finishing tools; Tend to machines that pump concrete, grout, and sand; Clean and prepare construction sites to eliminate possible hazards, while following all waste handling guidelines