Job analysis provides the foundation for most human resources activities. This report describes the benefits of analyzing (or profiling) jobs for activities related to recommendation and validation of assessments of job applicants, presents a rationale for building a job profiling methodology based on the O*NET framework, describes the resulting Educational Testing Service (ETS) development of a survey-based method of profiling jobs to identify their important components, applies the methodology to profile several jobs within ETS, and discusses how the job analysis data can be applied to recommend assessments, transport assessment validities, and group jobs together.