Mason (Seasonal) - National Park Service

All qualifications must be met by the closing date of this announcement-10/26/2026-unless otherwise stated in this vacancy announcement. Applicants must be physically fit and, as required in the Office of Personnel Management Qualifications Handbook X-118C, must possess the knowledge, skills, and abilities of the job elements listed below to perform the duties of the position at the level for which they are applying. A specific length of time and experience is not required. Qualification requirements emphasis is on the quality of experience, not necessarily the length of time. 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) Technical Practices (theoretical, precise, artistic) Ability To Interpret Instructions, Specifications, etc. (includes blueprint reading) Measurement and Layout Ability To Use and Maintain Tools and Equipment Dexterity and Safety Knowledge of Materials 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. Your resume must support your response to the assessment questionnaire, and if it does not, your application will be marked as not eligible. 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. You must meet at least 2 points on the screen-out element(s) and obtain an average of at least 2 points on all of the job elements to be considered qualified for this position. 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. Mason Standard Duties include but are not limited to: 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. 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 wel