JOB SUMMARY: These vacancies are Temporary Seasonal positions Not to Exceed: 1039 Hours in a service year. The typical seasonal entry-on-duty period is APRIL / MAY 2025. MAJOR DUTIES: This Open-Continuous announcement for temporary seasonal positions has been re-opened due to an exemption to the 2025 Civilian Hiring Freeze. If you previously applied to this announcement, you do not need to re-apply. 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; the announcement reaches the closing date stated in the announcement. The first cut-off date is 10-FEBRUARY-2025. MAJOR DUTIES MAY INCLUDE BUT ARE NOT LIMITED TO THE FOLLOWING: Performs all aspects of trail maintenance and construction as assigned by the trails maintenance work leader, or designee. Examples of the work performed include: clears brush and fallen logs from trail corridor; cleans, repairs, and constructs log or rock drains; installs log or rock retainer bars/steps and checks and/or constructs foot and stock bridges from native materials; constructs and maintains trail structures such as turnpikes, causeways, cribbing trail tread, riprap and rock retaining walls; constructs new segments of trail; and performs rehabilitation and meadow restoration on abandoned or heavily impacted sections of trail. Uses shovels, picks, rakes, axes, pulaskis, and various types of saws (e.g., McLeod's crosscut, pole, bow, etc.), boppers, chisels, sledgehammers, single jacks, rock bars, draw knives, measuring tapes, levels, squares, scribes, gasoline-powered jackhammers and rock drills, chainsaws, and other trade tools when performing trail maintenance and construction duties. Maintains the tools and equipment used in safe operating condition. Ensures work is performed safely and within prescribed NPS standards. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.