Mason

National Park Service

Full-time other-general
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Location
San Juan, PR, United States
Posted
July 25, 2026

Job Description

Summary These are term positions (more than 1 year) with an initial appointment expecting to last at least 13 months but may be extended up to a total of four years, or more based on any changes to regulations governing the number of years term appointments may last, without further competition at management's discretion. Responsibilities These WG-3603-10 Mason positions are essential for preservation. The main-level guardhouse at Fort San Cristóbal is an important historic structure of the Spanish colonial defense system. The project will preserve about 1,600 square feet of historic masonry, plaster, and roof surfaces, replacing incompatible Portland cement with lime-based mortar and stabilizing deteriorated sandstone and brick. El Morro, the most visited area of San Juan National Historic Site, faces safety risks due to vegetation growing on exterior walls. Removing this vegetation will protect visitors and maintain the appearance of this internationally recognized landmark. Carries...