Supervisor, Horticulture

San Manuel • Highland, CA

2d • Onsite

About The Position

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.

Requirements

• 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.
• 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
• At the discretion of the San Manuel Tribal Gaming Commission, you may be required to obtain and maintain a gaming license.
• A valid driver’s license with an acceptable driving record as determined by the insurance carrier is required.

Nice To Haves

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

Responsibilities

• 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.
• 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.
• 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.
• 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.
• 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.
• Performs other duties as assigned to support the efficient operation of the department.
• 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.

Benefits

• As one of the largest private employers in the Inland Empire, San Manuel deeply cares about the future, growth and well-being of its employees. Join our team today!

What This Job Offers

• Job Type: Full-time
• Career Level: Manager