A professional who plans, directs, and coordinates research activities of geophysical laboratory to develop new or improved instruments and methods for measuring physical characteristics of earth's crust which provide data for petroleum or mineral exploration. Responsibilities include:

• Consults with management and field and laboratory technical personnel to determine specific phases of geophysical prospecting in which improved processes might be evolved by study and experimentation.
• Plans research programs and initiates and directs experiments to improve prospecting procedures, explore possibilities of new theories, and develop improved or new instruments.
• Directs and coordinates activities concerned with designing, building, and field testing experimental instruments and maintenance and repair of laboratory and prospecting instruments.