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 masonry work, primarily masonry tasks include the maintenance, repair, and construction of walls (both single- and multi-tier), bridge abutments, causeways, riprap trail tread and other similar structures, using primarily dry-stone techniques. In accordance with directions, quarries, cuts, shapes and finishes stone for use in walls, walkways, bridge abutments and aesthetically pleasing rock walls. Where wet masonry is determined appropriate, mixes and applies mortar in proper proportions. Obtains and transports materials by human power, equipment (such as Bobcat loader), or rigging equipment such as a high-line setup. These tasks are normally performed under the direction of a higher- graded worker/leader/supervisor. The incumbent must be able to work with a great deal of independence once a maintenance worker leader or supervisor has given direction and technical guidance. Uses a variety of tools associated with the mason trade: single and double jacks. rock bars, line levels, string lines, tape measures, air-driven or pion-jar rock drills and related attachments, chisels, cement mixers, trowels, etc. Performs carpentry work, primarily using heavy log and rough-sawn lumber, on trail structures such as log checks, foot-bridges, multi-use bridges, corrals, hitch rails, and boardwalks. Log work tasks involve the use of a chain saw to fell, buck, notch, and/or shape both native and pressure treated logs in the maintenance and construction of multi-use and foot bridges, water bars and retainer steps, crib walls and steps. Incumbent also extensively uses chain saws in clearing trails of down trees and brush. Builds accessible trails which includes lining trail edges with pressure-treated logs cut and fit together to meet ADA guidelines. Incumbent is knowledgeable in using, maintaining, and repairing chain saws, gas-powered drills, timber tongs, draw knives, wood chisels, scribes, calipers and other tools associated with log work. Carpentry work is mostly involved in the maintenance and construction of boardwalks that are located in riparian areas within the Park. Measures, cuts, and installs dimensional lumber using on-site measurements, verbal and/or written directions, blueprints or from simple plans and specifications. Uses a wide variety of tools associated with the carpentry trade: hand saws, power circular saws, jig saws, power and hand drills, hand planers, power planers, generators, and carpentry hand tools. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.
