Apply theory and principles of mechanical engineering to modify, develop, and test machinery and equipment under direction of engineering staff or physical scientists.

Education: Most occupations in this zone require training in vocational schools, related on-the-job experience, or a diploma.

Expereince: Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

Training: Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.

• Engineering Technician, Mechanical Designer, Research and Development Technician, Engineering Lab Technician, Equipment Engineer, Process Technician, Design Engineer, Designer, Engineering Technical Analyst, Lab Technician