They direct daily operations, maintenance, or repair of landfill gas projects, including maintenance of daily logs, determination of service priorities, and compliance with reporting requirements.

They manage operations at biomass power generation facilities. They direct work activities at plant, including supervision of operations and maintenance staff.

They manage biofuels production and plant operations. They collect and process information on plant production and performance, diagnose problems, and design corrective procedures.

They manage operations at geothermal power generation facilities. They maintain and monitor geothermal plant equipment for efficient and safe plant operations.

They plan, direct, or coordinate quality assurance programs. They formulate quality control policies and control quality of laboratory and production efforts.

They plan, direct, or coordinate the work activities and resources necessary for manufacturing products in accordance with cost, quality, and quantity specifications.

They plan, direct, or coordinate investment strategy or operations for a large pool of liquid assets supplied by institutional investors or individual investors.

They direct financial activities, such as planning, procurement, and investments for all or part of an organization.

They plan, direct, or coordinate accounting, investing, banking, insurance, securities, and other financial activities.

They plan, direct, or coordinate activities in such fields as electronic data processing, information systems, systems analysis, and computer programming.