Perform a variety of activities such as coupling railcars and operating railroad track switches in railroad yard to facilitate the movement of rail cars within the yard.

Throws track switches to route cars to different sections of yard. Receives oral or written instructions indicating which cars are to be switched and track assignments. Raises lever to couple and uncouple cars for makeup and breakup of trains. Opens and closes chute gates to load and unload cars. Watches for and relays traffic signals to start and stop cars during shunting, using arm or lantern. Signals engineer to start and stop engine. Rides atop cars that have been shunted and turns handwheel to control speed or stop car at specified position. Attaches cable to cars being hoisted by cable or chain in mines, quarries or industrial plants. Connects airhose to car, using wrench. Opens and closes ventilation doors.

Transportation -- Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits. Mechanical -- Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

Operation and Control -- Controlling operations of equipment or systems.

Control Precision -- The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions. Far Vision -- The ability to see details at a distance. Reaction Time -- The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears. Written Comprehension -- The ability to read and understand information and ideas presented in writing. Oral Comprehension -- The ability to listen to and understand information and ideas presented through spoken words and sentences. Gross Body Equilibrium -- The ability to keep or regain your body balance or stay upright when in an unstable position. Response Orientation -- The ability to choose quickly between two or more movements in response to two or more different signals (lights, sounds, pictures). It includes the speed with which the correct response is started with the hand, foot, or other body part. Information Ordering -- The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations). Static Strength -- The ability to exert maximum muscle force to lift, push, pull, or carry objects. Multilimb Coordination -- The ability to coordinate two or more limbs (for example, two arms, two legs, or one leg and one arm) while sitting, standing, or lying down. It does not involve performing the activities while the whole body is in motion.

Performing General Physical Activities -- Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials. Monitor Processes, Materials, or Surroundings -- Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems. Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Communicating with Supervisors, Peers, or Subordinates -- Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person. Handling and Moving Objects -- Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things. Controlling Machines and Processes -- Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles). Identifying Objects, Actions, and Events -- Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.