Mason Supervisor (Seasonal)

Department of the Interior

National Park Service

San Juan National Historic Site

Summary

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.

This job is open to

The public

U.S. Citizens, Nationals or those who owe allegiance to the U.S.

Career transition (CTAP, ICTAP, RPL)

Federal employees whose job, agency or department was eliminated and are eligible for priority over other applicants.

Clarification from the agency

This position is being filled under the Field Unit Local Hiring Authority and is open to U.S. Citizens and Nationals who meet all eligibility requirements, including permanent and exclusive residency within the defined vicinity of the field unit as described in this announcement. Under this authority, veterans' preference and traditional rating and ranking procedures do not apply.

Duties

Some of the major duties you will perform include but are not limited to the following:

Supervises and directs employees by assigning work, establishing priorities, providing instructions and guidance, monitoring performance, and ensuring work is completed efficiently, safely, and in accordance with established requirements.
Plans, coordinates, and oversees technical and operational work by interpreting instructions, specifications, drawings, procedures, and standards; determining appropriate work methods; and coordinating resources, materials, tools, equipment, and personnel to accomplish assigned.
Ensures quality, safety, and technical compliance by inspecting work, monitoring employee practices, identifying deficiencies or hazards, directing corrective action, and ensuring established technical, safety, and quality standards are consistently followed.
Manages employee development and performance by providing training, coaching, mentoring, feedback, and performance evaluations; identifying skill or training needs; recognizing effective performance; and addressing deficiencies in accordance with applicable policies and procedures.
Resolves operational and technical problems and maintains accountability for the work unit by evaluating issues, making sound supervisory decisions, communicating with management and employees, monitoring productivity and resource use, and ensuring work is completed accurately.

Requirements

Conditions of employment

Must be a U.S. Citizen or National.
Appointment subject to background investigation and favorable adjudication.
Males born after 12-31-59 must be registered for Selective Service.
Direct Deposit participation required.
Successfully pass the E-Verify employment verification check. To learn more, visit www.dhs.gov/EVerify/.
Must have and maintain a valid driver's license throughout employment.
You are required to wear a uniform and comply with the uniform standards. A uniform allowance will be provided.
You are required to complete training, obtain and maintain a government credit card with travel and purchase authority.
You must be at least (1)18 years old or (2) at least 16 years old and: (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or (b) Have completed a formal vocational training program; or (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program.
You must be at least 18 years of age or older to operate government vehicles.

Qualifications

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

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.

Education

There is no substitution of education for experience for Federal Wage System (FWS) positions.

Additional information

This position will be filled under the Field Unit Local Hiring Authority. Eligibility is limited to applicants who reside within the defined local commuting area at the time of application. For this announcement, the local commuting area is the area from which individuals can reasonably commute to the duty station under normal conditions. The defined vicinity for this position is: A radius of 75 miles from the official duty station at 501 Norzagaray Street, San Juan, Puerto Rico. You must provide proof of residency within the defined vicinity (e.g. mortgage or property deed, lease/rental agreement, utility bill, insurance policy, etc.). See the Required Documents section for information on how to verify current residence.

This announcement may be used to fill additional positions if identical vacancies.

Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire eligibility if they work no more than a combined total of Temporary NTE less than 1040 hours within their established service year. Accordingly, non-competitive rehire eligibility allows for re-appointment to the same position or another position appropriate for temporary appointment with the same qualification requirements (5 CFR 316.402[b][7]), based on series and grade, anywhere in the major subdivision.

If you have held a temporary seasonal appointment in the past 12 months and have already worked the maximum temporary appointment less than 1040 hours during that period, you are still welcome to apply. However, please be aware that exceeding the limit of 1040 hours in your established service year will result in the loss of your non-competitive rehire eligibility.

The limit can be exceeded by working multiple temporary seasonal positions that result in a combined total greater than 1040 hours. The limit also can be exceeded by working a single temporary seasonal appointment that exceeds 1040 hours, unless granted an exception by OPM.

Employment may be terminated at any time due to fluctuations in funding levels, project needs, employee performance, or other considerations.

Working Conditions: Most of the work is performed in an office setting, however, frequent field trips are required for field inspections. Additionally, the incumbent performs periodic training in a classroom or training area. Outside work involves working in a hot humid condition and walking up steep slippery slopes and scaffolding using fall protection equipment.

All Department of Interior (DOI) employees, their spouses, and minor children may not acquire or retain any claim, permit, lease, small tract entry, or other rights granted by the Department in Federal lands, with limited exceptions. Additional ethics prohibitions can be found here, https://www.doi.gov/ethics/ethics-prohibitions.

Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.

A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.

Review our benefits

Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.

How you will be evaluated

You will be evaluated for this job based on how well you meet the qualifications above.

This position is being filled under the Field Unit Local Hiring Authority. Under this authority, competitive rating, ranking, and veterans' preference procedures do not apply. The Servicing Human Resources Office will determine whether applicants meet the qualification and eligibility requirements described in this announcement. Applicants who meet these requirements may be referred to the selecting official on a certificate of eligibles for consideration. You must certify that you will maintain a permanent and exclusive residence within the defined vicinity of the field unit(s) listed in this announcement.

Upon receipt of a completed application package, the Servicing Human Resources Office will review your resume and supporting documentation to determine whether you meet the minimum qualification requirements described in this announcement.

Resumes must not exceed two single-sided pages. Resumes longer than two pages will not be reviewed. Applicants may submit only one resume. Only the document submitted as the "Resume" under the Documents section will be used to determine qualifications and eligibility. If more than one resume is submitted, only the most recent submission will be reviewed.

If your resume is incomplete or does not demonstrate that you meet the qualification requirements or specialized experience described in this announcement, you may be determined ineligible or not qualified for further consideration.

Providing false or misleading information on your resume or supporting documentation may result in removal from consideration or other action consistent with applicable federal hiring regulations. Applicants who include vulgar, offensive, or inappropriate language or information in their application package will be ineligible for further consideration for this position.

Required Documents

The following documents are required and must be submitted by 11:59 PM (ET) on 10/13/2026 unless otherwise stated in this vacancy announcement:

Two Page Resume which includes a list of all significant jobs held and duties performed. Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted. The minimum font size is 10-point for all body text. Headers may be slightly larger but must remain legible. All resumes must maintain a minimum 0.5-inch margins on all sides to ensure readability and prevent excessive content compression. Including supplemental pages or attachments disguised as resume extensions are prohibited and will not be reviewed to determine your eligibility/qualifications.
Proof of residence (e.g. mortgage or property deed, lease/rental agreement, utility bill, insurance policy). SF-50 cannot be accepted as proof of residence.
Veteran Documentation, if applicable, such as: DD-214, SF15, letter from Veteran Affairs, etc.
Copy of Driver's Licence

Do not submit photographs with your application package. Documents with photographs may not be seen by hiring officials - you must remove your image from all documents.

Do not upload Adobe portfolio documents. Adobe portfolio documents are not viewable by our agency's staffing offices.

How to Apply

To apply for this position, you must submit the documentation specified in the Required Documents section. To receive consideration, your complete application package must be submitted by 11:59 PM (ET) on 10/13/2026 -unless otherwise stated in this vacancy announcement to receive consideration.

You must provide documentation to support your eligibility and qualification claims. Please review the required documentation listed in the eligibility sections to ensure you submit the appropriate information. You will only be considered for eligibilities for which you have provided the required supporting documentation.

Applications may be submitted through USAJOBS or through other authorized methods identified by the agency (e.g., third-party platforms or local outreach efforts) to support targeted recruitment under this authority.

Applicants submitting materials outside of USAJOBS must:

Submit a complete application package by the closing date of this announcement, and

Ensure all materials are formatted and consistent with the application instructions outlined in this announcement, including resume requirements and supporting documentation.

All applications, regardless of submission method, will be evaluated using the same criteria and requirements to ensure a fair and equitable hiring process.

Applications received after the closing date, or that do not meet the requirements outlined in this announcement, will not be considered.

USAJOBS Application Instructions

Select Apply. If you are not logged in, you will be prompted to login or create an account.
Prompted to Start the Application Process by selecting "Start Application."
- Click here for USAJobs Help with "How to create an application"
- To PREVIEW the application questionnaire, select the following link: https://apply.usastaffing.gov/ViewQuestionnaire/13061102
Select or add the resume you want to use for this application. Click here on how to build a resume in USAJOBS.
Select documents you want included in this application.
Review package to acknowledge your documents were reviewed.
Select if you want to include your demographic information.
After reading and certifying the application is true and submitted in good faith, select "Continue to Agency Site."
Follow onscreen prompts and instructions to complete your application.
Add the supporting documents by indexing your documents with the dropdown.
- Upload any missing required documents or optional documents.
Review and Submit Application.
While logged in, you can check the status of your application by selecting "+" next to the job title for this position.
You can review or revise your application at any point during the open period of the announcement.
- To update an application, you should log into your USAJOBS account and select "+" next to the job title for this position. Select "Update Application" for this job.
- Note: When you click Update Application, you will be prompted to re-select your documents from USAJOBS. Documents submitted with the first application will no longer be associated with the applicant record. So it is important that you select all documents you want to use in the re-application.

Agency contact information

DOI Seasonal Temp Team

Email: seasonaltempteam@ios.doi.gov

Address: Seasonal Staffing Office-San Juan National Historic Site
501 Calle Norzagaray
San Juan, PR 00901
US

Next steps

Please refer to your USAJOBS account for application status; the Human Resources Office cannot respond to individual status inquiries.

Once your Occupational Questionnaire has been received, you will receive an acknowledgment confirming your submission was successful.

Applicants who meet the eligibility and qualification requirements will be referred to the selecting official for consideration. Under this authority, all applicants determined to be qualified may be referred. If your name is referred, you may be contacted directly by the hiring official for a possible interview.

You will be notified of the status of your application at key stages in the process, including when candidates are referred for consideration and when the selection process has been completed.

You can find your path with the Department of Interior at https://careers.doi.gov/

Any exaggeration of your experience, false statements, or attempt to conceal information may disqualify you for employment consideration. We may verify all information you provide in your resume and questionnaire responses, through reference and/or background checks, and/or verification of your education. If you are selected, you will be contacted personally by the Human Resources Office posting this announcement.

Mason Supervisor (Seasonal) Job in San Juan, PR