Devise methods to improve oil and gas extraction and production and determine the need for new or modified tool designs. Oversee drilling and offer technical advice.

All engineers not listed separately.

Design, develop, or evaluate energy-related projects or programs to reduce energy costs or improve energy efficiency during the designing, building, or remodeling stages of construction. May specialize in electrical systems; heating, ventilation, and air-conditioning (HVAC) systems; green buildings; lighting; air quality; or energy procurement.

Research, design, develop, or test automation, intelligent systems, smart devices, or industrial systems control.

Research, design, develop, or test microelectromechanical systems (MEMS) devices.

Design technologies specializing in light information or light energy, such as laser or fiber optics technology.

Research, design, develop, or test robotic applications.

Design, develop, or supervise the production of materials, devices, or systems of unique molecular or macromolecular composition, applying principles of nanoscale physics and electrical, chemical, or biological engineering.

Design underground or overhead wind farm collector systems and prepare and develop site specifications.

Perform site-specific engineering analysis or evaluation of energy efficiency and solar projects involving residential, commercial, or industrial customers. Design solar domestic hot water and space heating systems for new and existing structures, applying knowledge of structural energy requirements, local climates, solar technology, and thermodynamics.