Mason

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.

Duties

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 out skilled masonry work on a wide range of structures such as walls, foundations, floors, parapets, walkways, chimneys, vaults, manholes, and fireplaces using brick, block, stone, concrete, plaster, and related materials. Assesses and repairs historic masonry features, performing tasks such as repointing, tuckpointing, stone repair, mortar matching, and reconstruction of deteriorated or damaged components on historic buildings, features, and landscapes. Interprets drawings, sketches, scope documents, or work orders; determines required materials; selects appropriate tools; and sequences work to ensure structural integrity and compliance with preservation standards. Uses hand and power tools to cut, shape, fit, and set brick, block, and stone; mixes and applies mortar, grout, concrete, and other bonding materials; and ensures proper alignment, finish, and appearance of masonry features. Conducts periodic operational and visual inspections of buildings and structures to identify masonry deterioration, structural issues, moisture problems, and required maintenance or repair tasks. Term positions do not convey permanent status in the Federal service. The agency retains sole discretion and without further competition, the right to extend the duration of this appointment after selection and/or appointment, based on changes to the term appointment regulation(s). No extension to a term appointment shall be granted to a selectee/employee to an amount of time that exceeds the maximum number of years authorized under any present or current regulation, unless such regulation expressly allows such action. Salary Range Information: First time hires to the federal government typically start at the beginning salary in the range for their respective grade level. WG-10: $24.89 (step 1) to $29.04 (step 5) per hour - Puerto Rico (RUS) Wage Area

Requirements

Must provide proof of U.S. citizenship. 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/. You may be required to work on-call, evenings, weekends, holidays, overtime, and shift work. You may be required to travel overnight occasionally. Must have and maintain a valid driver's license throughout employment. Respirator fit test 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. Additional Requirements located under Qualifications

Qualifications and evaluation

A review of your resume and supporting documentation will be made and compared against your responses to the Assessment Questionnaire to determine if you are qualified for this job. If your resume is incomplete or does not support the responses provided in the Assessment Questionnaire, or if you fail to submit all required documentation, you will be rated 'ineligible', 'not qualified', or your score will be adjusted accordingly. If a determination is made that you have inflated your qualifications or experience, you can lose consideration for this position. Your resume must not exceed 2 pages. Only the document submitted as the "Resume" under the Documents section will be used to determine your qualifications/eligibility and for rating purposes. In the event you submit more than one resume, only the latest submission will be reviewed. Candidates will be rated and ranked using Category Rating procedures. These procedures place candidates with veteran's preference above non-preference eligibles within each category. Veterans with a service-connected disability of at least 10 percent are listed in the highest quality category. Under Category Rating, candidates will be rated and ranked into the following categories: Best Qualified - applicants possessing experience that substantially exceeds the minimum qualifications of the position including all selective factors and are highly proficient in all requirements of the job and can perform effectively in the position Well Qualified - applicants possessing experience that exceeds the minimum qualifications of the position including all selective factors and are proficient in most of the requirements of the job Qualified - applicants possessing experience that meets the minimum qualifications of the position including all selective factors and are proficient in some, but not all of the requirements of the job. You will be evaluated on the following competencies and/or job elements: Ability To Do The Work Of The Position Without More Than Normal Supervision (SCREEN OUT) Ability To Interpret Instructions, Specification, etc. (includes blueprints reading) Ability To Use and Maintain Tools and Equipment Dexterity and Safety Knowledge of Metals Measurement and Layout Technical Practices (theoretical precise, artistic) If fewer than three eligible and available candidates per vacancy result, the agency will expand the group of candidates in accordance with the pre-announced supplement strategy and 5 CFR 332.402(f). Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from 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.

Education

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

How to apply

Please read the entire announcement and all the instructions before you begin an application. To apply for and be considered for this position, you must complete all required questionnaires, assessments and submit all required documentation as specified in the How to Apply and Required Documents section. The complete application package must be submitted by 11:59 PM (ET) on the 08/06/2026 to receive consideration. The application process is as follows: Click the Apply Online button. Answer the questions presented in the application and attach all necessary supporting documentation. To PREVIEW the application questionnaire, select the following link:https://apply.usastaffing.gov/ViewQuestionnaire/13015238 Click the Submit Application button prior to 11:59 PM (ET) on the announcement closing date. To update your application, including supporting documentation: During the announcement open period, return to your USAJOBS account, find your application record, and click Edit my application. This option will no longer be available once the announcement has closed. To view the announcement status or your application status, visit: https://help.usajobs.gov/how-to/application/status. Applicants who apply under this job opportunity announcement agree to have their application, associated documents and applicable personal information shared with other Bureaus/Offices within the Department of the Interior (DOI) who have vacancies within the same occupational series, grade, full performance level and in the same geographic location(s), including within the same metro/commuting area. Applying to this announcement does not replace the need to apply to other job opportunity announcements for which you wish to receive consideration.

Required documents

The following documents are required and must be submitted by 11:59 PM (EST) on 08/06/2026: Resume which includes a list of all significant jobs held and duties performed. If military or civilian, please include your rank and/or grade. 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. 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. Your 2-page resume must contain information sufficient to make a valid determination that you fully meet the qualification requirements. More information on how to write a Federal Resume: https://help.usajobs.gov/faq/application/documents/resume/what-to-include Complete Required Assessment. Veterans Preference Documentation, if applicable. Veterans must submit a copy of your latest Certificate of Release or Discharge from Active Duty, DD-214 (member 4 copy) or other Documentation of Service and Separation under Honorable Conditions, as listed on the SF15. If you are a Disabled Veteran, Purple Heart Recipient, or Parent or Spouse of a Disabled or Deceased Veteran, you must submit all additional proof required by the SF15, and if applicable, a completed SF15. You may request a copy of your Department of Veterans Affairs letter from www.va.gov/records/ or call 1-800-827-1000. If you are a veteran within 120 days of discharge, you must submit signed documentation from the Armed Forces certifying: 1) your expected release/retirement from active duty, 2) under honorable conditions, 3) your pay grade/rank/rate at time of discharge, 4) dates of active-duty service, 5) any campaign or expeditionary medals received, & 6) dated within 120 days of your separation. Interagency/Career Transition Assistance Plan (I/CTAP): If you are applying under I/CTAP, you MUST submit proof of eligibility including 1) copy of the agency notice, e.g., RIF Separation Notice, Notice of Proposed Removal, etc.; 2) SF-50s (Notifications of Personnel Action) showing career/conditional tenure competitive status, promotion potential and duty location; and 3) your most recent performance appraisal. To exercise selection priority, displaced or surplus Federal employees must be well qualified. For more information visit: USAJOBS Help Center - Career Transition Programs (CTAP, ICTAP, RPL). Failure to submit any of the above-mentioned required documents will result in loss of consideration due to an incomplete application package. It is your responsibility to ensure all required documents have been submitted. 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.

Additional information

Additional vacancies may be filled using this job announcement. Physical Demands: This position is required to perform masonry work from ladders, scaffolds, platforms, and other cramped and hard-to-reach places. Duties require the incumbent to sit, stand, stoop, bend, kneel, climb, crawl, and work in uncomfortable positions. If the incumbent is assigned to perform masonry work in remote locations, the incumbent may be required to walk, hike, climb, or drive over rough and uneven terrain. The incumbent is expected to lift and/or carry items up to 50 pounds unassisted, and occasionally up to 100 pounds in weight with assistance. Working Conditions: Most work is performed outside with exposure to all types of harsh weather conditions. Work outside may be subject to extreme weather conditions, with wind, rain, snow, and ice, in temperatures ranging from below zero to over 100F degrees. Depending on the geography of the park unit assigned, work may take place at elevations ranging from sea level up to 10,000 feet or in or near bodies of water. The incumbent may be regularly exposed to dust, dirt, fogs, mists, gases, smokes, sprays, and vapors, as well as noise, vibration, cuts, bruises, and abrasions from the use of masonry tools, vehicles, hoists, conveyer belts, cranes, and other equipment. The incumbent may occasionally be exposed to hazardous materials that can cause skin, eye, and respiratory irritation and burns, as well as microbiological organisms and potentially hazardous wildlife. The incumbent is subject to the danger of falling when on ladder or scaffolding, and broken bones as a result of accidents while driving or when loading and unloading equipment and materials. Some contact may be necessary with chemical agents in the nature of cleaning fluids and preservation compounds, some of which are considered hazardous. Work with chemical agents will be conducted within approved manufacturer's specifications and in accordance with all applicable masonry requirements and standards. The incumbent is expected to comply with all safety and occupational health requirements and wear protective clothing, gloves, face shields, and in some cases a respirator that may be uncomfortable. 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. Current surplus and current or former displaced Federal individuals who have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP) must be well qualified for the position to receive consideration for special priority selection. Well qualified means that the applicant meets the following: OPM qualification standards for the position; all selective placement factors, where applicable; special qualifying conditions that OPM has approved for the position, where applicable; is physically qualified with reasonable accommodation, where appropriate to satisfactorily perform the duties of the position upon entry; and is rated by the organization at least at the well qualified level.