JOB SUMMARY: The typical seasonal entry-on-duty period is April - May but can be variable during these months due to weather conditions, project needs, or funding. Anticipated Entry on Duty: April 2025 MAJOR DUTIES: Duty Locations are: Seqouia National Park Kings Canyon National Park Olympic National Park Point Reyes National Seashore Yosemite National Park Crater Lake National Park Live and work out of remote wilderness camps for up to 8 days or up to several weeks/months at a time. Load and unload supplies and materials from trucks, trailers, dollies, and pack animals etc. Maintain hiking trails, i.e., cutting back vegetation, cleaning drainage structures, clearing rockfall, and repairing trail and stock fences. Perform, strenuous manual labor such as digging ditches and trenches with pick and shovel where soil is hard and compact and must be graded or sloped, shoveling snow requiring significant endurance for sustained periods of time. Mix and pour concrete, asphalt and hot/cold mix and fills and levels holes in damages roads/trails. Construct and maintain trail structures such as retainer checks, bridges, turnpikes, retaining walls, waterbars, and swales. Moves heavily loaded wheelbarrows and hand trucks. Cuts heavy trees with axe or chainsaw, stacks heavy logs, lumber and sacks of cement or performs other duties. Physical Demands: The work performed requires very heavy physical effort. The incumbent routinely lifts, pushes, pulls, and carries items weighing 50 pounds, and up to 150 pounds (or more) with assistance. Grade 3 laborers exert very heavy physical effort in doing such tasks as frequently lifting and moving objects weighing over 50 pounds. Working Conditions: Almost all of the incumbent's work will be outside in all kinds of weather conditions, and involve the possibility of bruises, muscle strains, cuts and scrapes, and other injuries. Work requires the employee to follow proper safety procedures and use standard safety equipment to avoid serious injuries. At the grade 3 level the tasks involved may result in more serious injuries than at lower grade levels. The incumbent works the majority of time outdoors in temperatures ranging from 0 degrees Fahrenheit in the winter to excess of 100 degrees Fahrenheit in the summer. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.