Job Posting: Office Manager/Event Planner (Flexible Hours). The Great Swamp Watershed Association (GSWA), a Morristown-based environmental non-profit, seeks a passionate and organized part-time Office Manager & Event Coordinator. This position offers a flexible 20 hour per week schedule: 4-6 hours per day, 4-5 days per week, for a professional interested in working at a friendly, mission-driven organization. GSWA is dedicated to protecting the wa...