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Gardener Supervisor

National Park Service · Posted 14 days ago

On-site Washington, DC $39.7 – $46.3/hr Apply by Sep 15, 2026 Gardening ISFP
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About the Role

You will serve as a Gardener Supervisor with National Park Service. The purpose of this position is to provide gardening and landscaping supervision, planning, and direction for all the disparate gardens and landscape grounds areas in the 99 separate parcels that make up Rock Creek Park, a heavily visited historic, natural, and recreational park. This includes installation and maintenance of materials to protect and improve the cultural and natural park landscapes.

What You'll Do

  • Some of the major duties you will perform include but are not limited to the following: Exercises full first-line supervisory responsibility over a gardening and landscape maintenance crew engaged in the preservation, maintenance, and improvement of historic and non-historic landscapes, grounds, turf, ornamental plantings, gardens, and related facilities.
  • Responsible for the occupational safety and health of employees assigned.
  • Performs and directs the full range of advanced gardening and horticultural duties involving historic and cultural landscapes, ornamental gardens, turf areas, athletic fields, planting beds, shrubs, trees, and other landscape features.
  • Diagnoses plant health issues and determine corrective actions involving soil amendments, irrigation modifications, integrated pest management, biological controls, and chemical treatments.
  • Performs soil testing, evaluates growing conditions, calculates seed, fertilizer, and irrigation requirements, and determines proper horticultural practices to support plant establishment and long-term sustainability.
  • Oversees administrative aspects of the gardening and landscape maintenance program, including budget planning, operating programs, pest management programs, maintenance management systems and resource allocation.
  • Serves as Contracting Officer's Representative (COR) or technical representative for landscape maintenance and horticultural contracts.
  • Monitors contractor performance, inspects completed work, and ensures compliance with contract specifications.

Requirements

  • 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 https://www.e-verify.gov/.
  • Must possess and maintain a valid driver's license throughout employment.
  • You are required to wear a uniform and comply with 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.
  • A financial disclosure report will be required within 30 days of appointment.
  • As a condition of employment for accepting this position, you may be required to serve a 1-year probationary period to evaluate your fitness and whether your continuation of employment advances the public interest.
  • This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service.

Personality Fit

This role is commonly a great fit for these MBTI types:

Job ID: e880bee1-0ddd-4833-8573-76d5b2fe648f

Posted via USAJobs

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