• Gardener ( Seasonal )

    National Park Service (Washington, DC)
    Summary The incumbent of this position serves as a gardener at a National Park Service Unit. The primary purpose of the position is to provide proper care and ... closing day will receive consideration. Responsibilities The major duties of the Gardener , WG-5003-06 position include, but are not limited to, the following:… more
    National Park Service (12/24/25)
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  • Laborer (Motor Vehicle Operating)…

    National Park Service (Washington, DC)
    …winter duties. Lawn and garden tractors will be used heavily during this seasonal load as duties will primarily fall into Spring and beginning summer when grass ... specially designed mowers that operate on slopes; lawn and garden tractors with various specialty attachments; some snow removal...entitlement to a higher rate of pay. The typical seasonal entry-on-duty period is January - July 2026 but… more
    National Park Service (12/17/25)
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  • Supervisory Horticulturist

    Smithsonian Institution (Washington, DC)
    …Smithsonian Gardens is a recognized collections unit which manages collections of garden artifacts, living plants and the Archives of American Gardens. Announcement ... to 10 employees as well as varying numbers of seasonal staff, interns, fellows and volunteers. In this position,...oversight of and performing horticulturist duties in a public garden , commercial landscape or nursery setting. Those duties must… more
    Smithsonian Institution (12/12/25)
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