As an oil rig mechanic, you work with a gas and oil company perform daily maintenance tasks. Your responsibilities are to repair, install, and maintain well equipment used for drilling. You must also know how to work on the operating pump. Your duties may have you working on hydraulic and pneumatic equipment, maintaining accurate maintenance records, and participating in inventory purchase orders. You work in a team environment, so you may handle various sections or focus on a specific part of the rig. You may also mentor junior mechanics. If this is an off-shore rig, you may spend several weeks at a time away from home.