ABOUT US
Riverkeeper is New York’s premier water quality advocate. Our mission is to protect and restore the Hudson River from source to sea and safeguards drinking water supplies, through advocacy rooted in community partnerships, science, and law. With an annual operating budget of $5 million, Riverkeeper is a mid-sized not-for-profit operating in the Hudson Valley. This is an exciting opportunity to join a dynamic, mission-oriented organization. For more information, visit www.riverkeeper.org.
TITLE: Sweep Assistant
DEPARTMENT: Development
REPORTS TO: Senior Volunteer and Outreach Coordinator
SALARY: $20-$22 per hour
SCHEDULE: Part-time; with flexibility to work occasional evenings and weekends
LOCATION: Ossining, NY | Hybrid - 3 days TOTAL required in the office
TO APPLY: Submit a cover letter and resume by applying directly online using this link: https://riverkeeper.bamboohr.com/careers/41?source=aWQ9MjU%3D
POSITION SUMMARY
Riverkeeper seeks a Sweep Assistant to support the coordination of our annual day of service for the Hudson River and its tributaries, the Riverkeeper Sweep. The 15th annual Riverkeeper Sweep is scheduled for Saturday, May 2, 2026 and will bring thousands of volunteers together along hundreds of miles of shoreline from New York City to the Adirondacks, where volunteers will clean up local parks and shorelines, remove invasive species, and plant native trees and grasses. The Sweep Assistant will report to the Senior Volunteer and Outreach Coordinator.
To learn more about the Riverkeeper Sweep, review our 2025 Sweep results.
ESSENTIAL DUTIES & RESPONSIBILITIES
(This is not an exhaustive list of all job duties, responsibilities, and requirements.)
Timeline of work:
February 9-May 2, 2026
Sweep Day (Saturday, May 2, 2026)
May 2 - June 19, 2026
EXPERIENCE & COMPETENCIES
Research shows that people from under-represented groups often apply to jobs only if they meet 100% of the qualifications. Please know that no one ever meets 100% of the qualifications. If much of this describes you, we encourage you to apply.
PHYSICAL REQUIREMENTS & WORKING CONDITIONS
Riverkeeper is an AA/EEO employer. Riverkeeper is committed to attracting, developing, and retaining exceptional people, and to creating a work environment that is dynamic, rewarding, and enables each of us to realize our potential. Our work environment is safe and open to all employees and partners, respecting the full spectrum of race, color, religious creed, sex, gender identity, sexual orientation, national origin, political affiliation, ancestry, age, disability, genetic information, veteran status, and all other classifications protected by law.
People from diverse backgrounds are encouraged to apply.
Submit a cover letter and resume by applying directly online using this link: https://riverkeeper.bamboohr.com/careers/41?source=aWQ9MjU%3D