JOB SUMMARY: The typical seasonal entry-on-duty period is April/May through October/November but can be variable during these months due to weather conditions, project needs, or funding. Anticipated Entry on Duty: April - May 2025. MAJOR DUTIES: Duty Locations are: Mount Rainer National Park: Whiskeytown National Recreation Area: Sequoia and Kings Canyon National Park: As a Masonry Worker the duties will include the removal/demolition of existing failing wet/dry walls, excavations, and construction of wet/dry masonry. The position will be required, at times, to work without supervision. As directed by the supervisor, you will assist in 1) removing damaged portions of walls or other similar architectural features in preparation for repair or implementation of new wet/dry walls; 2) implementing prescribed preservation treatments (excavating, resetting, wet/dry laying rock, etc.); and 3) recording the location, time, materials, and labor involved in the treatment process. You will be responsible for selecting the proper tools and materials and maintain responsibility for keeping all tools and equipment utilized in a clean, serviceable, and safe condition. You will also perform rough carpentry and painting work. Work is be conducted in a safe manner for the protection of self and fellow workers, particularly when using mechanical tools and equipment. Assignments involve strenuous exertion including hiking, climbing steep slopes to project work site, bending, lifting heavy objects (rocks of up to 50 pounds), stooping, and kneeling. At Mount Rainier: The primary purpose of the position is to assist in the maintenance, repair and stabilization of historic structures and sites built of stone and mortar in relation to park road assets and backcountry structures. This position may require frequent overnight backcountry stays. Incumbent may be required to live in remote wilderness settings for extended periods of time and at elevations of 10,000 feet. Access to work site may require backcountry travel via maintained trail, or unmaintained snowfield to high camp work sites. At Sequoia and Kings Canyon: The primary purpose of the position is to assist in the maintenance, repair, and stabilization of structures and sites built of stone and mortar in relation to Park trails. This position requires frequent overnight backcountry stays. Incumbent will be required to live in remote Wilderness settings for extended periods of time. Physical Demands: Performs heavy lifting up to 50 pounds unassisted, carrying adobes, stone, mortar, and aggregates, soil, scaffolding, and other small equipment. Normally required to climb ladders or scaffolding to heights of from 5 to 30 feet and bend, stand, and kneel for long periods of time. Sometimes required to hike long distances and climb steep slopes. Working Conditions: Most work is performed outside with exposure to all types of harsh weather conditions. Assignments involve exposure to dust and dirt while mixing mortar, screening soil, backfilling, and driving to and from outlying areas. Incumbent may be subject to cuts, bruises, insect bites, danger of falling when on ladder or scaffolding, and broken bones as a result of accidents while driving or when loading and unloading equipment and materials. Incumbent will be provided and will be expected to wear prescribed personal protective equipment. Some contact is necessary with chemical agents in the nature of cleaning fluids and preservation compounds, some of which are considered hazardous. Work with chemical agents will be conducted within approved manufacturer's specifications and in accordance with the unit's precautions. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.