Assists one individual, and in some cases the subordinate staff of that individual, by performing general office work auxiliary to the work of the organization. Is the principal office clerical or administrative support position in the office, operating independently of any other such position in the office. Work requires knowledge of clerical and administrative procedures and requirements, various office skills, and the ability to apply such skills in a way that increases the effectiveness of others. Work does not require a technical or professional knowledge of a specialized subject-matter area.