Minimum Qualifications Four years of full-time experience in a trade under a skilled tradesperson which would provide training equivalent to that given in a training, apprenticeship, or equivalent program; or an equivalent combination of experience and training gained by completion of technical courses in skilled trades at a school, institute, or branch of the Armed Services. The incumbent is expected to work with considerable independence in performing, but not limited to, the following duties: Perform a variety of skilled and semiskilled maintenance, repair, installation and construction tasks in the mechanical, building, motor equipment and electronic trades.