Greenhouse Manager (Part-time Seasonal)

Position Overview: Green Lake Conference Center (GLCC) is seeking a mission-aligned and experienced Greenhouse and Grounds Manager – Seasonal to oversee summer greenhouse operations and campus landscaping efforts. This leadership role is ideal for someone who enjoys working outdoors, has a strong knowledge of plants and horticulture, and takes pride in cultivating beautiful, welcoming spaces that reflect excellence and stewardship.

The Greenhouse Manager will provide hands-on leadership in the greenhouse and across grounds, guiding seasonal staff and volunteers while ensuring the health, vibrancy, and presentation of all planted areas. This position plays a key role in enhancing the guest experience through thoughtful landscape care and seasonal displays.

Key Responsibilities:

Greenhouse Leadership & Plant Care

• Oversee daily greenhouse operations, including seed and bulb starting, plant propagation, watering schedules, fertilization, and pest management.
• Monitor plant health and proactively address disease, nutrient deficiencies, or environmental concerns.
• Manage greenhouse inventory, organization, and seasonal planting plans in coordination with the Director of Maintenance.
• Provide daily direction and training to seasonal staff and volunteers assigned to greenhouse and grounds areas.
• Ensure tasks are completed efficiently, safely, and to GLCC quality standards.

Grounds Landscape & Oversight

• Lead planting, watering, pruning, and maintenance of flowers, shrubs, trees, and garden beds across campus.
• Design, implement, and maintain seasonal displays that enhance campus beauty and hospitality.
• Ensure high-visibility guest areas remain vibrant, well-kept, and welcoming.
• Coordinate mowing, edging, and maintenance of walking paths and gardening spaces.

• Oversee mulching, fertilizing, weeding, and integrated pest control following best practices.

Equipment & Safety

• Maintain cleanliness and organization of greenhouse and groundskeeping tools and equipment.
• Ensure safe handling of fertilizers, chemicals, and equipment in accordance with safety protocols.
• Report maintenance or repair needs promptly.

Mission & Hospitality Alignment

• Uphold GLCC’s mission of hospitality and stewardship by ensuring outdoor spaces reflect excellence, care, and intentionality.
• Support special events and seasonal campus needs as assigned.

Other Duties

• Perform additional responsibilities as assigned by the Director of Maintenance to support campus readiness and guest experience.

Qualifications & Skills:

• Alignment with GLCC’s mission and values.
• Experience in horticulture, greenhouse management, landscaping, or outdoor maintenance.
• Demonstrated ability to lead or supervise seasonal staff or volunteers is strongly preferred.
• Ability to work independently while effectively guiding a team.
• Ability to work outdoors in varying weather conditions.
• Ability to lift up to 50 lbs and perform physical labor, standing or sitting, for extended periods.
• Strong attention to detail with a proactive and solutions-oriented mindset.

Schedule & Commitment:

• Part-time, seasonal position running from April to October (flexible start and end dates available).
• Typical work hours are flexible between 7:00 AM – 7:00 PM, Sunday–Saturday, schedule to be determined based on availability and organizational need.
• Occasional evening or weekend support may be needed.

Key Working Relationships

• In addition to collaborating with other staff, the Greenhouse Manager will work closely with the Maintenance Department, Grounds Supervisor, and anyone who may need assistance, as well as other department directors, volunteers, guests, and work groups.

Why Join GLCC?

• Gain hands-on experience in greenhouse operations and landscaping.
• Work in a beautiful outdoor environment while contributing to a Christian hospitality mission.
• Be part of a supportive team that values hard work and stewardship of creation.

If you love the outdoors and are looking for a meaningful and rewarding summer job, we’d love to have you join our team!

Physical Requirements: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Intent and function of job description

• This job description is intended to outline the primary responsibilities and expectations of the position. Additional duties may be assigned beyond those listed here to meet operational needs. Green Lake Conference Center (GLCC) reserves the right to modify job responsibilities, requirements, and position status in accordance with applicable laws, compliance regulations, and business needs.
• Job descriptions serve as a tool to ensure a fair and consistent hiring process, allowing for the selection of qualified candidates. They also play a key role in performance management and compensation structures.
• In compliance with the Americans with Disabilities Act (ADA) and applicable Wisconsin employment laws, GLCC will provide reasonable accommodations to qualified individuals with disabilities. However, accommodation that poses a direct threat to health or safety or creates an undue hardship on the organization may not be possible.
• This job description does not constitute an employment contract. GLCC is an at-will employer, meaning that either the employee or GLCC may terminate employment at any time, for any reason, if it does not violate applicable law.