High job preparation is needed for cost estimators.
Long term work-related skill, knowledge, or experience is needed for these careers. For example, an accountant must complete four years of college and work several years in the field to be qualified for the job.
Employees in these careers need several years of work-related experience and training. Both on-the-job and classroom job training may be needed.
Different careers need different amounts of preparation. Each O*NET career is in one of five Job Zones, which are groups of careers that need the same level of experience, education, and training. Explore more careers in Job Zone Four.