Supervisor, Horticulture

sanmanuel; Highland (CA); On-site; USD 70,000 - 100,000; Full time

Job summary

San Manuel is seeking a Supervisor, Horticulture to lead Groundskeeping, Landscape, and Exterior Maintenance teams under the Manager, Horticulture. You will assign work, oversee irrigation checks, ensure safety, and drive quality and efficiency of exterior grounds.

The role requires a Bachelor's degree and at least one year in horticulture or related fields, with previous supervisory experience. You'll coordinate with vendors, manage equipment, and coach staff to meet standards.

Qualifications

• Bachelor's degree in a related field.
• Minimum 1 year of progress experience in horticulture, exterior maintenance, groundskeeping, floral or casino experience.
• Minimum 1 year of experience leading or managing teams.

Responsibilities

• Supervises and evaluates horticulture team members across Groundskeeping, Landscape, and Exterior Maintenance.
• Conducts daily/weekly inspections and ensures timely completion of tasks.
• Provides training in horticultural techniques and safety protocols.
• Oversees equipment, inventory, and vendor coordination.
• Coordinates with vendors and supports department communication.

Skills

Staff leadership

Training staff

Safety standards

Time management

Cross-functional collaboration

Education

Bachelor's degree

Job description

Under the direction of the Manager, Horticulture, the Supervisor, Horticulture provides daily leadership across horticulture team members and exterior horticultural teams, including Groundskeeping, Landscape, and Exterior Maintenance. This role ensures the resort's exterior environment remains clean, safe, visually exceptional, and aligned with departmental standards and expectations. Assigns work, manages routes, coordinates with vendors, oversees irrigation checks, ensures equipment readiness, maintains safe work practices, and leads team coaching, development, and corrective action efforts. This position is accountable for the consistent delivery of high-quality grounds and landscape operations while driving daily workflow efficiency, quality, and communication.

ESSENTIAL DUTIES AND RESPONSIBILITIES

1. Supervises, directs, and evaluates the work of horticulture team members across Groundskeeping, Landscape, and Exterior Maintenance. Ensures adherence to proper horticultural practices, safety standards, equipment use, work quality, and service expectations.
2. Conducts daily and weekly inspections of landscaped areas, hardscape, grounds routes, and exterior zones. Ensures timely completion of cleaning, landscaping, irrigation checks, and maintenance tasks. Identifies deficiencies and assigns corrective actions immediately.
3. Provides structured training in horticultural techniques, safety protocols, and landscape standards. Leads coaching, counseling, documentation of performance issues, and corrective action processes in accordance with enterprise policies. Supports the development of team skills and behaviors.
4. Ensures the proper use, maintenance, and inspection of horticulture equipment, tools, vehicles, and materials. Equipment Oversight, Inventory Management, and Area-of-Responsibility Assignments. Oversees equipment readiness, inventory accuracy, and assigned Area-of-Responsibility programs.
5. Coordinates with vendors supporting horticulture operations, including landscaping services, irrigation specialists, pest control partners, equipment vendors, and seasonal décor contractors. Ensure clear communication, timely follow-up, verification of work quality, and adherence to established standards. Vendor Coordination and Operational Communication.
6. Performs other duties as assigned to support the efficient operation of the department.

SUPERVISORY RESPONSIBILITIES

Carries out supervisory responsibilities in accordance with the organization's policies and applicable laws. Responsibilities include interviewing, hiring and training employees; planning, assigning reviewing and directing work; evaluating and appraising performance; rewarding and disciplining employees; addressing complaints and resolving problems. Makes hiring decisions and designs individual development plans with succession planning in mind for all key roles.

EDUCATION , EXPERIENCE AND QUALIFICATIONS

Bachelor's degree required.

Minimum of one (1) year of progress experience in horticulture, exterior maintenance, seasonal decor, groundskeeping, floral or previous casino experience required.

Minimum of one (1) year experience leading, supervising, or managing teams preferred.

Related, relevant, and/or direct experience may be considered in lieu of minimum educational requirements indicated above.

KNOWLEDGE, SKILLS AND ABILITIES (KSA)

• Demonstrated ability to direct, train, and develop staff, coordinate complex grounds and horticultural operations, and uphold quality and safety standards.
• Grounds maintenance practices, including plant care, irrigation, hardscape upkeep and waste management
• Horticultural principles relating to plant care, florals and event décor
• Safety and regulatory standards related to grounds operations
• Scheduling methods, modern office and communication equipment and tool usage
• Lead, motivate and develop diverse teams across multiple work groups and shifts
• Exercise sound judgement and decision making in operational situations
• Manage time and prioritize multiple responsibilities under shifting demands
• Collaborate cross departmentally and work independently with minimal supervision
• Leadership, accountability and integrity in team and project management
• Strategic leadership, problem solving, and results management

LICENSES, CERTIFICATIONS AND REGISTRATIONS

At the discretion of the San Manuel Tribal Gaming Commission, you may be required to obtain and maintain a gaming license.

Certified Arborist, Pesticide Applicator License, or Landscape Technician Certificate. Project Management credential (CAPM, Lean Six Sigma Yellow Belt, or equivalent) preferred

Authorized Driver: Role requires operation or driving of Tribe-owned vehicles or driving patron vehicles. A valid driver's license with an acceptable driving record as determined by the insurance carrier is required.

PHYSICAL REQUIREMENTS/ WORKING CONDITIONS - ENVIRONMENT

The physical demands and working environment described here are representative