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Operations & Finance Coordinator (part-time or full-time)
ACCEPTING APPLICATIONS
We are seeking applicants for the role of Operations & Finance Coordinator to provide essential administrative, financial, and human resources support to ensure the smooth day-to-day functioning of the organization. This position is available as either part-time or full-time and based in our office in Mount Vernon.
Operations & Finance Coordinator
Postion Summary
The Operations & Finance Coordinator is a key member of the team, providing essential administrative, financial, and human resources support to ensure the smooth day-to-day functioning of the organization. This position is available as either part-time or full-time, depending on the candidate’s preference and qualifications. The role is ideal for a detail-oriented professional who thrives in a small-team environment and is comfortable taking on a wide range of responsibilities. This individual works closely with the Executive Director, Community Engagement and Development Coordinator, and Treasurer.
About the 30 Mile River Watershed Association
The 30 Mile River Watershed Association is a nonprofit organization based in Mt. Vernon, Maine with the mission to work as a community for clean and healthy lakes, ponds, and streams in our watershed. This includes 25+ lakes and ponds, and many streams in 89 square miles across Franklin, Kennebec, and Androscoggin counties.
Key Responsibilities
Bookkeeping & Finance
- Maintain accurate financial records using Quickbooks online
- Process accounts payable and receivable; prepare deposits; reconcile bank statements
- Prepare financial reports for the Treasurer, Executive Director, and Board of Directors
- Assist with annual budget preparation
- Serve as primary contact for the external accountant, preparing and providing financial records and documentation needed to complete the annual IRS 990 and annual review.
Payroll & Human Resources
- Submit biweekly payroll accurately and on time to payroll company
- Maintain confidential personnel files in compliance with applicable laws
- Serve as primary liaison for administering employee benefits programs (health insurance, retirement, PTO tracking)
- Manage onboarding paperwork for new hires
- Maintain and update the employee handbook, ensuring policies remain current, accurate, and compliant with applicable laws and regulations
General Administration
- Provide administrative support to the Executive Director
- Manage office operations including supplies, vendor relationships, and equipment
- Maintain organizational files and records management systems
- Support board meeting preparation (scheduling, materials)
- Assist with grant reporting data collection and compliance documentation as needed
Qualifications
- 2–4 years of experience in bookkeeping, office administration, or a related role (nonprofit experience a plus)
- Associate’s or Bachelor’s degree in Accounting, Business, or related field preferred — or equivalent experience
- Proficiency with QuickBooks, Microsoft Office, and Google Workspace
- Strong attention to detail, discretion with confidential information, and organizational skills
- Ability to manage multiple and diverse priorities
- Comfortable working independently as well as with a team
- Appreciation for 30 Mile’s mission
Work Environment and Compensation
The Operations & Finance Coordinator reports to the Executive Director and is based in 30 Mile’s newly renovated building in picturesque Mount Vernon Village, overlooking Minnehonk Lake. This position is available as either part-time or full-time, depending on the candidate’s preference and qualifications. Some remote work is optional. The hourly wage ranges from $22.00-27.00/hour, depending on experience. Benefits include health insurance (full-time only), matching Simple IRA retirement, employee assistance program, mileage reimbursement, and generous paid time off.
Application Process
Interested candidates should submit a resume and cover letter, as one PDF, to lidie@30mileriver.org and be prepared to provide three references upon request. Applications will be reviewed on a rolling basis until the position is filled.
The 30 Mile River Watershed Association is a non-profit organization with the mission to work as a community for clean and healthy lakes, ponds and streams in the watershed. The “30 Mile River” is a connected chain of ponds, lakes and streams, with a watershed covering 90 square miles and including the towns of Chesterville, Fayette, Leeds, Mt. Vernon, Readfield, Vienna and Wayne. To learn more, visit 30mileriver.org.
Courtesy Boat Inspector
The 30 Mile River Watershed Association (30 Mile) is seeking Courtesy Boat Inspectors (CBIs) for the 2026 summer season. CBIs are the “first line of defense” against harmful aquatic invasive plants and animals that hitch rides on boats and trailers, spreading from lake to lake. CBIs work at public boat launches checking incoming and outgoing boats and educating the public about invasive species. CBIs serve a vital role in protecting our lakes from the devastating impacts of invasives, while spending time at beautiful lakeside locations in the towns of Mt. Vernon, Vienna, and Wayne.
Responsibilities:
- Conduct courtesy boat inspections at boat launches on Androscoggin Lake, Echo Lake, Parker Pond, and Flying Pond.
- Inspect all watercraft (motorized and paddle), trailers, and associated gear for any plant and animal material.
- Educate boaters about the importance of preventing invasive species from entering our watershed and the work of the 30 Mile.
- Collect, record, and report data electronically for every inspection performed using a mobile survey application.
Qualifications:
- Strong communication skills; comfort speaking with the public
- Attention to detail in record-keeping and conducting inspections.
- Interest in protecting lake health.
- Ability to work independently with reliability in keeping scheduled shifts.
- Ability to stand and bend to check underneath boats and trailers.
- Access to reliable transportation
Benefits:
- Have fun working outdoors on some of the most beautiful lakes in central Maine.
- Improve your understanding of lake health and the threats to Maine’s lakes.
- Gain hands-on experience and build your resume.
- Provide a valuable service for your community, protecting our lakes.
Schedule and Compensation:
The program runs from May 22nd through September 27th from Wednesday through Sunday for up to 15-25 hours/week (end date flexible for students; hours vary if pairing with the Aquatic Invasive Plant Surveyor position). Limited Monday and Tuesday shifts are available. Typically weekends only after Labor Day.
Pay starts at $15.75/hr. The position is ideally suited for students, retirees, and others looking for part-time work; may be combined with the Aquatic Invasive Plant Surveyor position.
Priority will be given to applications received by March 15th, 2026. Those received after this date may be considered until the positions are filled.
The 30 Mile River Watershed Association is a non-profit organization with the mission to work as a community for clean and healthy lakes, ponds and streams in the watershed. The “30 Mile River” is a connected chain of ponds, lakes and streams, with a watershed covering 90 square miles and including the towns of Chesterville, Fayette, Leeds, Mt. Vernon, Readfield, Vienna and Wayne. To learn more, visit www.30mileriver.org.
Aquatic Invasive Plant Survey Team Member
The 30 Mile River Watershed Association (30 Mile) is seeking applicants to join our Aquatic Invasive Plant Survey team for the 2026 summer season. Team members conduct lake surveys by kayak, searching for and identifying aquatic invasive plants. The goal is to detect infestations early and mitigate the negative impacts of established infestations on the native ecosystem. Training will be provided.
Responsibilities:
- Survey by kayak, the lakes and ponds in the 30 Mile River Watershed for aquatic invasive plants, focusing most on Androscoggin Lake in Wayne, and Tilton and David Ponds in Fayette.
- Assist SCUBA divers in removing invasive milfoil by providing surface support.
- Perform hand-removal of swollen bladderwort.
- Collect, record, and report data on aquatic invasive plants using the mobile survey application, Survey123.
- Educate the public about the threat of invasives and 30 Mile’s work fighting them.
- Follow safety protocols at all time.
Minimum Requirements:
- Passion for learning about aquatic ecosystems, aquatic plant identification and protection.
- Interest in botany, biology, environmental science, ecology, or related field.
- Plant identification skills or an interest and ability to learn quickly.
- Comfort working on the water, spending 4-5 hours per day in a kayak under varying weather conditions.
- Strong attention to detail and accuracy.
- Responsibility, maturity, and strong work ethic.
- Ability to work independently, as well as collaboratively as part of a team.
- Ability to communicate effectively with co-workers and the public.
- Ability provide own transportation to waterbodies throughout the watershed daily.
Preferred Qualifications:
- Experience using a kayak or other paddle craft.
- Knowledge of terrestrial or aquatic plant identification.
- Relevant undergraduate coursework.
- Ability to use a handheld GPS device.
- Mapping (GIS) and My Google Maps experience.
Benefits:
- Have fun working outdoors on beautiful lakes.
- Improve your understanding of lake science and the threats to Maine’s lakes.
- Gain hands-on experience and build your resume.
- Be part of a team environment.
- Provide a valuable service to the lake communities we serve, improving the health of our lakes.
Schedule and Compensation:
The program runs from May 18th through August 23rd, Wednesday through Sunday at an estimated 20 hours/week. Surveying is done in the morning (7am – 12pm), when conditions are best. Some part-time work may be offered in September and October.
Pay starts at $16.75/hr. This position may be combined with the Courtesy Boat Inspector (CBI) position for an increase in weekly hours.
Priority will be given to applications received by March 15th, 2026. Those received after this date may be considered until the positions are filled.
The 30 Mile River Watershed Association is a non-profit organization with the mission to work as a community for clean and healthy lakes, ponds, and streams in the watershed. The “30 Mile River” is a connected chain of ponds, lakes, and streams, with a watershed covering 90 square miles and including the towns of Chesterville, Fayette, Leeds, Mt. Vernon, Readfield, Vienna and Wayne. To learn more, visit www.30mileriver.org.
Water Quality Internship
The 30 Mile River Watershed Association is a well-established and growing organization in Central Maine with the mission to work as a community for clean and healthy lakes, ponds, and streams in our watershed. This includes 25+ lakes and ponds, and many streams in 89 square miles spanning from New Sharon to Monmouth. A critical part of our mission is protecting water quality.
Join the 30 Mile team for a hands-on internship focused on lake water-quality monitoring and stream-crossing risk assessments throughout the watershed. This is an excellent opportunity for students passionate about Maine’s lakes, environmental science, and field-based conservation work.
Responsibilities:
- Assist in water quality data collection on thirteen lakes and ponds within the watershed
- Follow Maine Department of Environmental Protection’s standard operating procedures for the collection, handling, and processing of water quality samples in field and laboratory settings.
- Enter, organize, and report data using internal databases and public webpages.
- Work alongside volunteers to maintain a consistent data collection schedule.
- Conduct stream-crossing field surveys and assist with culvert risk assessments across the watershed.
- Participate in LakeSmart site visits and assist with homeowner reports.
- Attend lake association and town meetings as needed.
- Pursue an independent project aligned with the intern’s skills, academic goals, or professional interests.
Qualifications:
- Completion of at least two years of undergraduate coursework in environmental science, natural resources, biology, chemistry, or a related field.
- Comfort working in and around boats and water.
- Access to reliable transportation and a valid driver’s license.
- Strong work ethic, positive attitude, adaptability, and interest in non-profit work.
- Willingness to work in various weather conditions and learn new skills quickly.
- Familiarity with Excel, Microsoft Suite, and ESRI applications (ArcGIS Online, ArcPro, Survey 123).
Professional Development Opportunities:
- Certifications in Maine Water Quality Monitoring Standards and LakeSmart Evaluations
- Hands-on experience working in the field in a collaborative environment
- Building/strengthening of key professional skills, including communication, project coordination, data management, and problem-solving.
- Career networking opportunities through conference attendance
Work Environment and Compensation:
This internship provides a stipend of $3,000 (paid biweekly) plus mileage reimbursement. The expected schedule is 30 hours/week for 10 weeks, May-August, with some flexibility. Applicants are encouraged to apply for additional funding through their school or elsewhere to supplement this stipend. If our internship aligns with your school’s requirements for academic credit, we’re happy to help with any necessary paperwork. 30 Mile’s office is located in Mount Vernon, but the intern will be traveling throughout the watershed. As such, the intern must have a valid driver’s license and access to reliable transportation. Housing and transportation are the intern’s responsibility.
Application Process:
Interested candidates should submit a resume and cover letter, as one PDF, to sara@30mileriver.org and be prepared to provide references upon request. Applications will be reviewed on a rolling basis. Priority will be given to applications received by April 1st, 2026. Those received after this date may be considered until the position is filled.
The 30 Mile River Watershed Association is a non-profit organization with the mission to work as a community for clean and healthy lakes, ponds and streams in the watershed. The “30 Mile River” is a connected chain of ponds, lakes and streams, with a watershed covering 90 square miles and including the towns of Chesterville, Fayette, Leeds, Mt. Vernon, Readfield, Vienna and Wayne. To learn more, visit www.30mileriver.org.