Office Manager and Bookkeeper
FlexProfessionals
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Massachusetts; Hybrid · Posted October 28, 2026
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Among bookkeeping, accounting, and auditing clerks, AI is already used for a large share of the tasks. Measured exposure for bookkeeping, accounting, and auditing clerks: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Category: Administration / Office Management
Location: Boston, Massachusetts
Work Arrangement: Hybrid
Type: Part-time
Our client, a Boston-based nonprofit that provides a home away from home for children with cancer and their families while the children receive proton radiation treatment at Massachusetts General Hospital, is seeking an Office Manager/Bookkeeper.
Hours/Schedule : 20-25 hours per week, flexible schedule
Job Type : Contract with the opportunity to become a permanent role
Location Requirements : Hybrid, ideally one day/week onsite in Boston based office
Rate : $30/hr-$35/hr, based on experience
Job Description : The Office Manager/Bookkeeper is responsible for supporting day-to-day operations, building strong financial systems and reporting structures for the organization. This includes managing the audit process annually. The Office Manager/Bookkeeper handles the daily posting of financial transactions in QuickBooks and prepares financial reports. The Office Manager/Bookkeeper is a direct report to the Executive Director and has no supervisory responsibilities.
Responsibilities :
Implement day-to-day accounting operations, with functional responsibility for accounts payable and payroll Post and track financial transactions in QuickBooks. Reconcile bank statements and bookkeeping ledgers and ensure records are accurate Ensure that bills are paid in a timely manner and manage vendor contracts and payments Enter check donation details, scan checks and enter into CRM (DonorPerfect). Generate check donation acknowledgement receipts and thank you letters Oversee state charitable registration filings Administer payroll and efficiently onboard new employees Produce quarterly financial reports for the Board of Directors Produce monthly expense reports for the Executive Director Help maintain and update office policies and procedures Manage benefits administration for employees Lead the annual audit process for the organization Participate in team meetings weekly Make weekly deposits at the bank, scanning donation checks and letters. Approve and track office and building expenses requested by the Family Manager Participate in large fundraising events for the organization, tracking expenses and revenue, ensuring that vendors are paid and in-kind donors acknowledged
Qualifications :
Bachelor’s degree in accounting, finance, business administration, or a related field, or equivalent work experience 3+ years of bookkeeping and office management experience, preferably in a nonprofit setting Advanced proficiency in QuickBooks Online, including transaction posting, bank reconciliations, accounts payable, and financial reporting. Working knowledge of GAAP and nonprofit accounting principles Experience processing payroll and administering employee benefits (ADP preferred) Experience preparing for and supporting the annual audit process Familiarity with donor CRM databases; DonorPerfect experience a plus; proficiency in Microsoft Office, particularly Excel Strong attention to detail, accuracy, and organizational skills Ability to handle confidential financial and personnel information with discretion Excellent written and verbal communication skills Ability to work independently, prioritize tasks, and meet deadlines
FlexProfessionals respects and seeks to empower each individual and support the diverse cultures, perspectives, skills, and experiences of its candidate network. FlexProfessionals does not discriminate on the basis of race, religion, color, sex, gender identity or expression, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. The candidates whose resumes are shared with our business clients are selected on the basis of qualifications, merit, and business needs.
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