Head of a Departmental Element who has responsibility for a specific program or facility(ies). These include the Deputy Administrator for Defense Programs; the Assistant Secretaries for Energy Efficiency and Renewable Energy, Environmental Management, and Fossil Energy; and the Directors of the Offices of Civilian Radioactive Waste Management, Science, and Nuclear Energy; and (2) a Cognizant Secretarial Officer is a DOE official at the Assistant Secretary level who is responsible for the assignment of work, the institutional overview of any type of facility, or both, and the management oversight of a laboratory.