JOB SUMMARY: This is an open continuous vacancy announcement. Applicants will be referred periodically throughout the announcement period. Final application disposition will be completed once all positions have been filled or the announcement reaches the end of the open period stated in the announcement. The first cut-off date is 11:59 pm (est), Dec. 24, 2025."For more information and cutoff dates, see Next Steps section in this announcement." The typical seasonal entry-on-duty period is April - June. MAJOR DUTIES: The duty stations for the parks are: Yosemite National Park, CA, for salary information, click on this link. Performs custodial/janitorial duties: Cleaning, sanitizing, emptying trash, and restocking public restrooms. Cleaning, vacuuming, dusting, emptying trash and recyclables. Scrubs, strips, waxes and polishes floors using heavy (industrial type) power scrubber and buffer. Washes walls using powered wall washing machines and/or by hand. Vacuums/cleans rugs, carpets, etc. using heavy vacuum cleaner. Adjusts, cleans, and oils these machines and changes brushes, rollers, buffers, and other attachments. Moves heavy furniture, supplies, and equipment. Occasionally works on ladders and scaffolds to change light bulbs, wash walls, etc. Keeps shop areas clean and in order. Sweeps and wet mops floor and removes various liquid and solid wastes, spills, etc. On a regular and recurring basis operates light duty motor vehicles weighing up to 10,000 pounds (such as pick-up trucks, flatbed trucks, 5-yard dump trucks, etc.) to transport personnel, material, or equipment to work site located in the park. Physical Demands: Moderately heavy physical effort is required when: using ladder and scaffolds to clean walls, ceilings, windows, ceilings fixtures; operating powered equipment; removing cans of or other containers of trash; and occasionally lifts objects weighing over 50 pounds. Working Conditions: Usually works indoors in areas, which normally have adequate heat, light, and ventilation. Is exposed to vibration from heavy equipment and to skin irritations from strong cleaning solutions used in stripping floors. Care is required to avoid serious injuries when working on ladders and scaffolds and when using heavy powered equipment. Occasionally works outdoors in possible inclement weather conditions and/or extreme temperatures. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.