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Open: November 12, 2026 — Closes: November 25, 2026
Summary
You will serve as a Mason Supervisor with the National Park Service. This position is located in San Juan National Historic Site, in the Maintenance Division. This is a temporary promotion and/or detail not to exceed 1 year and can be extended up to 5 years. As a temporary promotion, this may be made permanent without further competition. Travel, transportation & relocation expenses will not be paid. Relocation expenses will be the employee's responsibility.
Major Duties
This position is in the Maintenance Division at San Juan National Historic Site. The incumbent serves as a Mason Supervisor and is responsible for supervisory control and skilled work in a variety of trades relating to historic preservation and maintenance. MAJOR DUTIES Works under the general supervision of the Facility Manager. The incumbent has wide latitude for independent action and is expected to proceed independently, take the initiative, and assume responsibility. Acting within general instructions, standard procedures, and established policies, the incumbent plans, schedules, and executes approved work programs in his/her units at acceptable standards of safety, quality, and quantity. In the absence of the Facility Manager, the incumbent may be designated as Acting Facility Manager. Responsible for effective and economical use of personnel, equipment, materials, and methods to meet park goals and quality standards. Recommends changes in procedures and/or sequence of work operations to accomplish work of units more effectively or to meet new requirements. Responsible for initiating all procurement documents required for purchasing of equipment and materials for his/her section. Ensures that materials are ordered and delivered to work sites on a timely manner, so as not to delay work performance. Remains current in latest preservation techniques. Is responsible for training and educating employees and public about historic preservation. Plans, organizes, directs, and controls all masonry operations and personnel required for the projects. Maintains masonry and maintenance operations for all forts, historic walls, buildings, roads, trails, grounds, and the lighthouse. Performs other duties assigned. You may be required to work on-call, evenings, weekends, holidays, overtime and shift work. SAN JUAN NATIONAL HISTORIC SITE AREA INFORMATION: San Juan National Historic Site consists of a system of 400+ year Spanish fortifications and bastions that encircle the 500-year-old City of San Juan, Puerto Rico. Puerto Rico is the smallest island of the Greater Antilles chain. The island is 35 miles wide and 100 miles long with the highest elevation at 3000 feet. Average island temperature year-round is 82-87 degrees during the day and 72- 77 degrees at night. The San Juan metropolitan area has all amenities including excellent health services and retail stores. Recreational opportunities can be found island wide. San Juan airport is located 7 miles from the park and is serviced by most major airlines with nonstop flights to major hubs. Flight time to Miami is 2.5 hours and Atlanta is 3.5 hours. Cost of living is considered moderate. Puerto Rico has an 11.5% of sales tax.
