Business Office Summer Assistant

Business Office Summer Assistant Weston, MA Job Details Part-time | Seasonal $20 - $24 an hour 20 hours ago Qualifications Accounting systems Record keeping Google Workspace Invoice processing Administrative experience Financial record maintenance Data entry Clerical experience Deposits Productivity software Financial audit support Entry level File organization Office experience Full Job Description The Rivers School — a 6-12 co-ed independent day school in Weston, MA, just outside Boston — seeks professionals who are looking to join a dynamic, innovative, and welcoming school community.

Position Purpose:

The Business Office Summer Assistant provides administrative support to the Business Office, ensuring accurate and efficient processing of daily, monthly, and annual financial operations. This position is Non-Exempt, part-time (24 hours per week, 6/1/26 - 9/25/26) and will report to the Accounts Payable Coordinator and Business Office Manager.

Responsibilities:

Record and deposit checks for in-school payments for Rivers and RSC tuition Enter invoices into accounts payable system as directed by the Accounts Payable Coordinator Outreach calls to vendors to clarify invoices as needed Complete accounts payable, billing, and controller filing tasks as needed Assist with other projects as needed File and record business office documents (such as utilities and certificates of insurance) Update electrical and gas usage in the utilities tracking spreadsheet Manage outstanding check notifications as needed Retrieve information from files as directed by the Controller in support of the annual audit (July - August) Prepare folders/binders ready for upcoming school year including, but not limited to, monthly checks, transmittals, Journal Entries (with separators for organization), and Cash (July) Update Business Office Manual as needed, including managing Scribe instructions (June) Create next fiscal year AP Vendor Record File Folders (June/July) Box up AP Vendor Record File Folders from two years ago and arrange for boxes to be stored. (July) Assist with disbursement of end of year refunds for families of graduating students (June) Create and mail 18th birthday letters through a mail merge, and stuff envelopes (June, July, August) Create Satter Scholar binders for upcoming school year (August)

Qualifications:

Experience:

Training on all tasks will be provided though some experience in an office environment is preferred

Technology:

Experience with Google Workspace and/or Microsoft Office is required. Experience using accounts payable and billing systems is a plus.

Required Skils:

Discretion:

Ability to handle sensitive financial information with total confidentiality

Communication:

Ability to interact professionally with other employees, vendors, and parents.

Collaborative Detail-Oriented:

Focus on accuracy on data entry projects and tasks.

Learning Mindset:

Willingness and ability to learn new tasks and ask questions.

Responsiveness Pay Range:

$20 to $24/hr Rivers encourages interest from candidates who will enrich the diversity of identity, experience, and perspectives among our professional and school community. We recognize that skilled and innovative individuals follow a variety of pathways in life, and we enthusiastically invite applications from those who may have experience that meets our qualifications in non-traditional ways. Rivers offers BIPOC affinity, LGBTQ+ affinity, and white allyship spaces for professionals, as well as institutional professional development, to support and enrich our work around equity and access. In addition to mentorship from peers and direct supervisors, all professional community members benefit from a year-long onboarding program. If you would benefit from any accommodations at any point during the application process, please contact our Director of Human Resources, Erica Casey ( )