Fertigation Supervisor

4Front Ventures (CSE: FFNT / OTCQX: FFNTF) is a fast-moving national cannabis grower, distributor, and retailer headquartered in Phoenix, Arizona with active operations in Massachusetts, Illinois, and Washington. Focusing on Excellence, People, Integrity, and Courage, 4Front Ventures is building a responsible and people-focused company that consistently produces high-quality products, ensures access to cannabis through top service and affordable brands, and provides value through job creation and community engagement. From plant genetics to the cannabis retail experience under the Mission Dispensary brand, 4Front’s team applies expertise across the entire cannabis value chain. Position Overview The Fertigation Supervisor is responsible for overseeing and executing all irrigation and fertigation activities within the Worcester Cultivation facility, and to support the Cultivation team when necessary. This role ensures cannabis plants receive precise and timely water and nutrient delivery while maintaining equipment functionality and supporting cultivation operations. The Fertigation Supervisor serves as a role model to teammates by demonstrating professionalism, strong work ethic, and collaboration, while stepping into all areas of cultivation as needed.

ESSENTIAL RESPONSIBILITIES

Operate and maintain fertigation systems, including Dosatrons , reservoirs, and drip irrigation lines. Conduct routine system checks, preventative maintenance, and minor repairs on irrigation equipment to ensure consistent performance. Monitor and collect runoff data to validate proper nutrient and water delivery, adjusting schedules as needed. Ensure open sprinkler irrigation schedules are delivering proper irrigation volumes aligned with plant growth stage and environmental demands. Maintain accurate logs of irrigation schedules, nutrient mixes, EC/PPM/pH levels, and corrective actions taken. Cultivation Support Assist with all aspects of cultivation, including vegetative, flowering, and harvest operations . Participate in bucking, trimming, and plant handling whenever fertigation tasks are complete. Collaborate with cultivation leadership to align fertigation strategy with overall crop planning and production goals. Provide guidance and training to cultivation staff on fertigation practices and system operation. Model professional conduct, teamwork, and attention to detail, setting the standard for cultivation teams. Additional Duties Perform overtime work as needed during critical growth cycles, emergencies, or system failures. Support compliance with CCC regulations and company SOPs relating to nutrient storage, environmental discharge, and plant health standards. Maintain a clean, organized, and safe working environment.

QUALIFICATIONS

21+ and currently residing in the USA Horticulture and/or Agricultural Experience, 2+ years (preferred) Supervisor Experience, 1+ years (preferred) Cannabis Industry Experience, 1+ years (preferred) Advanced Communication, Math, Organizational, and Computer Skills Dispensing Organization Agent Identification Card (ability to obtain upon hire) Associate Degree or Industry Training Equivalent

WORKING CONDITIONS

Fast-paced, warehouse-like, and rapid-changing environment Manufacturing facility with industrially lit rooms and heavy machinery that may produce loud sounds Indoor greenhouse environments and grow rooms with elevated temperatures and humidity Plant pollen and extraction fumes may be present on surfaces and in the air Protective suits may be required (provided on site) Kneeling, squatting, lifting, bending, walking, pivoting, and long-term standing (all expected activities) Lifting and/or moving up to 50 pounds repeatedly *NOTE: The facility contains confined spaces that may only be accessible by ascending/descending stairwells while traveling throughout building. Must be able to stand for prolonged periods of time, bend, kneel, squat, and twist. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

WORKING AT 4FRONT

We are building a hard-working, diverse team that is excited to be a part of the evolving cannabis industry. Our team values a friendly, vibrant, and enthusiastic workplace. 4Front Ventures is an Equal Opportunity Employer. Benefits of working with us include: Employee Discounts (one of the highest in the industry) Sick Pay/PTO Accrual Parental/Maternity Leave Employee Assistance Program Holiday Pay (if required to work on select days)

SCHEDULE

The schedule for this position is Tuesday-Saturday 7:00 AM-3:30 PM. Candidates must be able to work weekends. *NOTE: This job description is not intended to be all-inclusive. Employee may perform other related duties as negotiated to meet the ongoing needs of the organization. #J-18808-Ljbffr 4Front Ventures Corp