A construction worker's job involves physical labor on construction sites, including loading/unloading materials, operating equipment, cleaning the site, and assisting skilled tradespeople. Key responsibilities include following blueprints, erecting structures, laying materials like concrete and asphalt, maintaining tools and equipment, and working as part of a team to meet project deadlines and safety regulations. Physical stamina, the ability to lift heavy objects, and good communication skills are essential for success in this demanding role.