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Smithsonian Institution

Supervisory Horticulturist

Washington, District of Columbia

Washington, District of Columbia, District of Columbia, United States · full time

USD 169279-197200 per year

Posted Nov 2, 2026Source checked Nov 11, 2026
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About this 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. More than one selection may be made from this announcement.

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. 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.

Qualifications Basic Qualification Requirements: Basic Education Requirements for Horticulture Series 0437: 1. Degree: horticulture; or a related discipline of basic plant science that included at least 30 semester hours in the basic plant sciences, of which at least 16 semester hours were in horticultural subjects such as those dealing with the breeding, care, management, production, and post harvest handling of horticultural crops. OR 2. Combination of education and experience: courses equivalent to a major in horticulture or a related discipline of basic plant science that included course work as shown in A above, plus appropriate experience or additional education. Evaluation of Education: Courses in botany, plant physiology, plant taxonomy, plant pathology, genetics, agronomy, horticulture, and similar courses may be used to meet the 30-semester-hour requirement in basic plant sciences. To qualify based on education, you must submit a legible copy of transcripts from an accredited institution with your name, school name, credit hours, course level, major(s), and grade-point average or class ranking. Transcripts do not need to be official, however if you are selected for this position and you used your education to qualify you must provide an official transcript before you begin work. In addition to meeting the basic requirement above, to qualify for this position you must also meet the specialized experience and/or education requirements listed below: GS-15 Experience: You qualify for this position if you have one year of specialized experience equivalent to at least the GS-14 level in the Federal Service. For this position, specialized experience is defined as leading and exercising full authority over a horticulture or landscape organization through subordinate supervisors, including technical direction, budget formulation and execution, and persuading executives and outside agencies to support program goals, even when facing resistance. Your resume must be no more than two (2) pages and should clearly demonstrate how your experience aligns with the responsibilities and specialized experience required for this position. Do not copy language directly from the vacancy announcement, as you will be deemed ineligible for consideration. Instead, provide detailed, descriptive information about your actual 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. Part-time and/or unpaid experience related to this position will be considered to determine the total number of years and months of experience. Be sure to note the number of paid or unpaid hours worked each week. Or a Combination: Education and experience may be combined to meet the basic qualifications. For a full explanation of this option please see the Qualification Standards. Special Instructions for Foreign Education: If you are qualifying by education and/or you have education completed in a foreign college/university described above, it is your responsibility to provide transcripts and proof of U.S. accreditation for foreign study. For instructions on where to fax these documents, see the "Required Documents" section of this announcement.

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.

Requirements Conditions of Employment Qualification requirements, including one year time-in-grade at the next lower grade level for promotion candidates, must be met within 30 days of the job announcement closing date. See the 'Required Documents' section for additional information. For information on qualification requirements, see Qualification Standards Handbook for General Schedule Positions viewable on OPM Website.

Required documents Your application package should include the following documents: 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? Current and former employees MUST submit a copy of their Standard Form (SF)-50, “Notice of Personnel Action,” that indicates proof of status and time-in-grade eligibility. SI Trust employees are ineligible for Merit Promotion consideration unless you submit a Standard Form (SF) - 50, "Notice of Personnel Action", that indicates proof you previously held a 'status' position and proof of time-in-grade. The SF-50 must include your position title, series, grade, step, salary, type of service (competitive or excepted in block 34), and tenure (1 or 2 in block 24). Please provide a SF-50 that shows the length of time you have been in your current/highest grade level. Examples of appropriate SF50s include: Appointments, Reassignments, Within-grade/range increases or Promotion actions. NOTE: Pay adjustments and award SF-50s do not include the length of time in your current position, therefore, they are NOT acceptable SF-50's on their own. You may need to provide more than one SF-50. Failure to provide the appropriate SF-50(s) may prevent you from receiving consideration for this position. 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. Proof of Veteran's Preference - DD214 (Member 4 Copy) if you are requesting a special appointment authority, such as VRA or VEOA Proof of severe disability if you are requesting special placement consideration. Proof of eligibility for a military spouse appointment, such as a permanent change station military order. Proof of eligibility for any other special appointing authority not specifically mentioned here.

How to apply Click on the "Apply Online" button on the upper right side of the page. Please Note: You must apply for this position online through the 'Apply Online' button and submit required supplemental documents (if they are relevant to you). Your resume must be no more than two (2) pages. You may submit required documents by uploading them online during the application process. The complete application package, including any required documents, is due in the Smithsonian Office of Human Resources on the closing date of the announcement by 11:59 PM Eastern Time. If you are unable to apply online, paper applications may be accepted with prior approval of the Contact Person listed below.

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. Noncompetitive Appointment Authorities: The following links contain information on the eligibility requirements to be considered under a noncompetitive appointing authority: Primary Appointing Authorities for Career and Career-Conditional Appointments Hiring Authorities for Veterans People with Disabilities

Source: USAJOBS. View the original listing