Mason Supervisor (Seasonal)

US National Park Service; San Juan (PR); On-site; USD 25,000 - 39,000; Part time

Job summary

US National Park Service in San Juan National Historic Site seeks a Mason Supervisor (Seasonal) to lead skilled masonry work and oversee maintenance of historic structures.

The role is seasonal with an entry-on-duty period typically October–November 2026 and may vary due to weather, project needs, or funding; the incumbent will perform supervisory duties and ensure preservation standards are met.

Qualifications

• Ability to perform skilled masonry work without more than normal supervision.
• Experience in historic preservation and maintenance preferred.

Responsibilities

• Supervise masonry tasks at San Juan National Historic Site.
• Perform maintenance and trades related to historic preservation.
• Coordinate with park staff and funding constraints.

Job description

You will serve as a Mason Supervisor (Seasonal). 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.

The typical seasonal entry-on-duty period is October-November 2026, but can be variable during these months due to weather conditions, project needs, or funding.

To qualify for this position, you must have sufficient knowledge and ability in the following job-related factors:

1. Ability to do the work of the position without more than normal supervision (SCREEN OUT)

If your knowledge and ability in the SCREEN OUT factor above is not sufficient, you will receive no further consideration. In preparing your application, describe in detail the experience and training which you have had that specifically prepared you for this job and to perform the duties described for this job. Experience should be clearly described and documented in your resume. The qualifications reviewer will not assume performance of such duties by Job Titles alone. Address your knowledge, skills and/or abilities in the areas shown in the job-related factors.

Volunteer Experience: Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.