coordinating and supervising construction workers. selecting tools and materials. making safety inspections and ensuring construction and site safety. checking and preparing site reports, designs, and drawings. Site managers organize work on building sites, making sure it’s completed safely, on time, and within budget. As a site manager, no two days will ever be the same. You’ll liaise with architects, surveyors, and builders to ensure a project is on track and there are enough staff, machinery, and materials to get the job done.