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Supervisory Horticulturist

Smithsonian Institution · Other Agencies and Independent Organizations · Washington, District of Columbia

💵 $169,279–$197,200 per year⏳ Closes Nov 30, 2026
Federal agencyGS-15
At a glance

A full-time, permanent, federal job with Smithsonian Institution in Washington, District of Columbia. It pays $169,279–$197,200 per year at grade GS-15. Applications close on Nov 30, 2026 — 29 days left.

Working pattern
On site
Who can apply
Open to the public
Clearance
Other

Main duties

  • The Supervisory Horticulturist serves as the senior technical authority for Smithsonian Gardens, providing leadership, strategic direction, and professional expertise in horticultural operations, landscape design, plant stewardship, sustainable landscape management, visitor operations, and emergency management.
  • In this position, you will: Promote stewardship of living plant collections and public gardens to include turf and soil management, tree and shrub maintenance, integrated pest management (IPM) and plant disease control for all SG museum sites, the Suitland campus and the greenhouse nursery facility.
  • Serve as reviewing official, interviews candidates for vacant positions and recommends their appointment, promotion or reassignment to those positions and develops performance goals and evaluates work performance of subordinates against them.
  • Coordinate interagency and museum-to-museum communications regarding events, programs, projects, and operational activities impacting Smithsonian Gardens while leading operational adjustments required to support visitor services and the appearance and maintenance of the National Mall.
The original posting

Full details

About the role

The Smithsonian Institution (SI) is the world's largest museum, education, and research complex, with 21 museums and the National Zoo. This position is located in the Smithsonian Gardens (SG), Facilities Management (FM).

Smithsonian Garden is responsible for supporting Smithsonian Gardens, which manages public gardens, living plant collections, greenhouse and nursery operations, and landscape assets.

What you will do

  • The Supervisory Horticulturist serves as the senior technical authority for Smithsonian Gardens, providing leadership, strategic direction, and professional expertise in horticultural operations, landscape design, plant stewardship, sustainable landscape management, visitor operations, and emergency management.
  • In this position, you will: Promote stewardship of living plant collections and public gardens to include turf and soil management, tree and shrub maintenance, integrated pest management (IPM) and plant disease control for all SG museum sites, the Suitland campus and the greenhouse nursery facility.
  • Serve as reviewing official, interviews candidates for vacant positions and recommends their appointment, promotion or reassignment to those positions and develops performance goals and evaluates work performance of subordinates against them.
  • Coordinate interagency and museum-to-museum communications regarding events, programs, projects, and operational activities impacting Smithsonian Gardens while leading operational adjustments required to support visitor services and the appearance and maintenance of the National Mall.
  • Serve as the primary authority for emergency management and continuity of operations, coordinating responses to weather, security, and other incidents to protect staff, visitors, facilities, and living collections.

Requirements

  • Conditions of Employment Qualification requirements must be met by the closing date of the announcement.
  • For information on qualification requirements, see Qualification Standards Handbook for General Schedule Positions on OPM website.

Education

FOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university.

How you will be evaluated

Your resume will be used to evaluate your experience, education, and/or training that address the competencies below: Knowledge of managing living plant collections and public gardens, including integrated pest management (IPM), plant disease control, and the propagation and care of rare and unusual plant species, sufficient to serve as SG's senior horticultural authority.

Knowledge of managing employee performance and conduct management to oversee subordinate supervisors and provide technical and managerial guidance. Knowledge of coordinating complex operations and building stakeholder partnerships to lead interagency and museum collaborations that support visitor services, projects, and organizational goals.

Knowledge of emergency management, continuity of operations, and incident response principles sufficient to serve as the primary authority for coordinating responses to weather, and other incidents that protect staff, visitors, facilities, and living collections.

Applicants who meet or exceed minimum qualifications will be assigned to one of three category groups based on job-related criteria: Best Category - Meets the minimum qualification requirements and excels in most of the job related competencies above. Better Category - Meets the minimum qualification requirements and satisfies most of the job related competencies above.

Good Category - Meets the minimum qualification requirements, but does not satisfy most of the job related competencies above to a substantive degree. This category rating process does not add veterans' preference points or apply the "rule of three", but protects the rights of veterans by placing them ahead of non-preference eligibles within each category.

A selecting official may make selections from the highest quality category (Best Category) provided no preference eligible in that category is passed over to select a non-preference eligible in that category unless the requirements of 5 U.S.C. 3317(b) or 3318(b) are satisfied.

Preference eligibles who meet minimum qualification requirements and who have a compensable service-connected disability of at least 10 percent must be listed in the highest quality category, except when the position being filled is scientific or professional at the GS-9 grade level or higher.

Applicants who have not submitted a resume in the USAjobs system and/or have not answered all of the vacancy questions will not be considered for this position.

Important Note: The review of your resume will determine your final rating and should provide sufficient information regarding how your education and experience relate to this position, including the major duties and qualifications criteria listed. You may preview questions for this vacancy.

Documents you must provide

  • Resume - Your resume can be uploaded and attached to your application or created using the USA Jobs on-line resume builder.
  • Ensure your resume contains the job title (including the occupational series and grade if it is Federal), job-related qualifications, starting and ending dates (month and year), and hours worked per week, for each employment period.
  • It is your responsibility to ensure all information is submitted.
  • Failure to include this information may result in disqualification for the position.
  • For assistance with creating a resume, please click USAJOBS Help Center - How do I write a resume for a federal job?
  • Proof of Veteran's Preference - DD214 (Member 4 Copy), if you are a veteran.
  • Additionally, applicants claiming 10-point preference must complete Standard Form (SF) 15, Application for 10-Point Veteran Preference, as well as additional documentation required by the SF-15, such as a VA letter.
  • Unofficial school transcripts, if the position has an education requirement or if you are using education to qualify.
  • If selected for the position, you must provide an official transcript before appointment.
  • Proof of U.S. accreditation for foreign study, if applicable.

Benefits

The Smithsonian offers a comprehensive benefits package that includes, in part, vacation and sick leave, holidays, health/life insurance, accident insurance, and excellent retirement program options. Please see Benefits at *** for a complete description.

Flexible Spending Accounts - *** Health Insurance - *** Leave - *** Life Insurance - *** Long Term Care Insurance - *** Retirement Program - ***

What to expect next

At the end of the application process, you will be able to create and save a PDF file that contains your responses to the assessment questions. You may save this file as initial receipt of your application. After the job announcement closes, you will receive an email from the Smithsonian with confirmation of receipt.

The Smithsonian receives many applications for each job. Each application is reviewed carefully which may take a few weeks. We will send you an e-mail to update you as we go through phases of the application review process.

You may also check your application status by logging into *** and selecting the tab "My USAJOBS;" e-mailing ***; or by contacting the Office of Human Resources Representative listed. Additional Information: Tips on applying for Smithsonian jobs are available at ***

The Smithsonian does not pay relocation expenses but recruitment incentives may be authorized. The Smithsonian Institution is an equal opportunity employer. Additional information can be found on our website at (***).

Additional information

This position is not included in the bargaining unit. Recruitment Incentive: Recruitment incentive(s) may be authorized for this position. However, approval for incentives are contingent upon various availability.

If authorized, certain incentives will require the incumbent to sign a service agreement to remain in the Federal government for a certain time period. Note: This statement does not imply nor guarantee an incentive will be offered and paid. Selections may be made for vacancies across the Smithsonian Institution (SI).

By applying to this position, you agree to allow your application and other personal information to be shared with one or more SI hiring officials for employment consideration for same/similar positions within the location(s) identified in this announcement.

How to apply

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Details on this page reflect the source posting as of Nov 2, 2026. Closing dates and salary ranges can change without notice — the official listing is always authoritative. How our coverage works.

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