Under general supervision of Department Director or assigned manager, performs a full range of both clerical and administrative support functions for the Department Director or assigned manager, includes performing responsible, confidential, and complex clerical work, including but not limited to assisting with the departmental budget, processing personnel, payroll and other relevant records, and coordinating the work of other departmental clerical staff as assigned or needed. Work involves a high degree of independent judgment requiring a thorough knowledge of department programs, procedures and policies, applicable legal statutes and the ability to choose among a number of alternatives in determining procedures, interpreting policies, and performing a variety of assignments without instruction.