Drill Rig Operator

About the Position: Acts as principal operator on core drill party on assignments to subsurface investigation projects throughout the United States. Position is being filled at the WG-08 target WG-11 level. Duties described reflect the full performance WG-11 level. Duties will be performed in a developmental capacity under close supervision.

Determines when different formations are encountered from reaction of drilling equipment, such as resistance to penetration, sound of motors, etc. Installs and operates drilling equipment.

Makes field reconnaissance of work site and nearby area. Assists Drill crew leader man in the layout of borings, if required, making note of access routes, sources of drilling water, and other physical features.

In the accomplishment of the above duties the employee exercises supervision over two or more drill rig operators, WG-8, or drill rig operator helpers, WG-5.

Special methods and test procedures are often required to obtain subsurface data.