JOB SUMMARY: This position is located in a National Park Service Unit. The primary purpose of the position is to perform building and/or utility maintenance and operation duties. Incumbent utilizes journeyman to master level knowledge and skills in several trades and crafts. There is no public transportation to this park. MAJOR DUTIES: The major duties of the Maintenance Mechanic, WG-4749-10 position include, but are not limited to, the following: Performs all preventative maintenance, operational checks, repair, layout, installation, troubleshooting, tracing, locating defects, modification on and new existing secondary electrical systems from transformers to final connections park wide. Installs, modifies, and repairs new and existing utility, supply, and disposal systems and equipment such as sewage, water, oil, and gas distribution systems and water closets, tubs, fire sprinkler systems, and showers, and lay out of such things as angles, arcs, and circles. Provides support in the areas of operation, maintenance, troubleshooting and repair of the large and complex systems utilized for air conditioning and heating various historic and non-historic buildings within the National Park Service. Constructs, alters, modifies, or repairs a wide range of features in buildings, quarters and other facilities. Performs painting duties with little oversight and/or review of work during progress or upon completion. Must determine roofing work to be completed, locating leaks and determining their cause and extent of damage, selecting the work method to be followed for repair, and determining and using a greater variety of roofing materials and accessories such as shingles, roofing felt, and asphalt. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.