• Seasonal Plumber

    National Park Service (Philadelphia, PA)
    Summary This position performs services to all plumbing systems within the park. This includes preventive maintenance to all plumbing and mechanical equipment ... and repairing plumbing and fixtures. Responsibilities Performs preventive maintenance to all plumbing and mechanical equipment and parts. Installs, modifies,… more
    National Park Service (01/06/26)
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  • Seasonal Mason

    National Park Service (Philadelphia, PA)
    Summary This position is to perform a variety of journey-level masonry work needed to maintain, repair, alter, and construct exterior and interior ... boundary fences, chimneys, fireplaces, manholes, and boilers. Must be able to match existing historic surfaces. Have comprehensive knowledge of mixing techniques,… more
    National Park Service (12/31/25)
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  • Seasonal Maintenance Worker

    National Park Service (Elverson, PA)
    …National Historical Park. You will perform carpentry, painting, and custodial duties to support facility upkeep and operations. You will occasionally assist with ... maintenance activities including mowing or operating tractors. You will complete repairs to doors, windows, cabinetry, and both interior and exterior trim, along… more
    National Park Service (12/16/25)
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  • Seasonal Maintenance Worker (MVO)

    National Park Service (King Of Prussia, PA)
    …The park is visited by over 2 million visitors a year who come to learn the area's history, experience various special events and participate in multiple ... entry-on-duty period is Apr-Sept but can be variable during these months due to project needs. Anticipated Entry on Duty: 3/22/2025 Responsibilities This is an open… more
    National Park Service (12/13/25)
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  • Seasonal Maintenance Mechanic

    National Park Service (Gettysburg, PA)
    …National Park Service Unit. The primary purpose of the position is to perform building and/or utility maintenance and operation duties. Incumbent utilizes journeyman ... and interprets blueprints, schematics, work orders, technical manuals, and building codes to plan, layout, and complete assigned work. Performs work in accordance… more
    National Park Service (12/12/25)
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  • Seasonal Laborer

    National Park Service (Philadelphia County, PA)
    Summary The primary purpose of the position is to perform laboring duties that require moderately heavy physical effort requiring the use of common hand tools and ... power equipment. In order to accomplish the laborer duties, the incumbent must on...issue date of the referral certificate. Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire… more
    National Park Service (12/11/25)
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  • Seasonal Carpenter

    National Park Service (Philadelphia County, PA)
    Summary The primary purpose of this position is to perform a variety of journey-level carpentry trade work needed to construct, alter, maintain, and repair ... a hiring official exhausts current certificate and/or additional vacancies need to be filled. Involves the construction, alteration, installation, repair and… more
    National Park Service (12/11/25)
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  • Seasonal Maintenance Worker

    National Park Service (Gettysburg, PA)
    Summary The primary purpose of the position is to perform recurring building and/or utility maintenance and operation duties and to assist journeymen and other ... position may not fully meet the type of work to be performed or there may be work that...issue date of the referral certificate Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire… more
    National Park Service (12/09/25)
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  • Seasonal Maintenance Worker

    National Park Service (Philadelphia County, PA)
    Summary The primary purpose of the position is to perform recurring building and/or utility maintenance and operation duties and to assist journeymen and other ... position may not fully meet the type of work to be performed or there may be work that...issue date of the referral certificate. Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire… more
    National Park Service (12/06/25)
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  • Seasonal Biological Science Technician (Plants)

    National Park Service (Gettysburg, PA)
    …located in a National Park Service organization. The purpose of the position is to perform routine and uncomplicated biological science tasks common to natural ... Requirements Conditions of Employment US Citizenship required. Appointment subject to background investigation and favorable adjudication. Males must meet Selective… more
    National Park Service (12/04/25)
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