This series is responsible for performing the full range of skilled trade position duties for both licensed and unlicensed trades. Typical duties include repairing, installing and testing various types of systems and equipment. These positions may also frequently include the application of complex materials and compounds consistent with general contracting work. The title above the entry level requires the performance of increasingly more responsible and varied work which requires advanced skill and experience with regard to the various licensed and unlicensed trades. Employees are appointed at the entry level position title and are eligible for reclassification to a higher level position within this series consistent with the specifications for the higher level position title. The position title reverts to the entry level of this series when there is a vacancy.