An entry-level offshore oil rig job involves performing basic tasks to support drilling and production operations. Common roles include roustabout, roughneck, and floorhand, which involve cleaning, maintaining equipment, and assisting skilled workers. These positions require physical labor, long shifts, and extended rotations at sea. No prior experience is usually needed, but physical fitness and a willingness to work in tough environments are essential. Many workers use these roles as a stepping stone for higher positions in the oil and gas industry.