Senior Accountant

Job Description

Job Description

Title : Senior Accountant
Reports to : Director of Finance
Classification : Manager
Location : Boston (Hybrid)
Job description revision number and date : V 1.0; 1.16.26

Organization Summary:

Community Care Cooperative (C3) is a 501(c)(3) non-profit, Accountable Care Organization (ACO) governed by Federally Qualified Health Centers (FQHCs). Our mission is to leverage the collective strengths of FQHCs to improve the health and wellness of the people we serve. We are a fast-growing organization founded in 2016 with 9 health centers and now serving hundreds of thousands of beneficiaries who receive primary care at health centers and independent practices nationally. We are an innovative organization developing new partnerships and programs to improve the health of members and communities, and to strengthen our health center partners.

Job Summary:

The Senior Accountant is responsible for overseeing the accuracy and completeness of accounting processes, including journal entries, accounts payable, invoicing, and payer-file reconciliations. This role provides quality control across monthly close activities, ensures compliance with organizational policies, and partners with internal stakeholders to confirm instructions are acted on promptly. The Senior Accountant will serve as a process lead, identifying gaps, updating procedures, and mentoring accounting staff to ensure consistent, detail-oriented execution

Responsibilities:

Monthly Close & Financial Integrity

• Prepare, review and approve journal entries and supporting documentation

• Ensure monthly close activities are completed accurately and on schedule

• Perform variance analysis and identify unusual trends or discrepancies

• Ensure reconciliations are complete, accurate and reviewed

Accounts Payable & Invoicing Oversight

• Review AP processing to ensure invoices are coded, approved, and entered timely

• Review and approve staff-prepared invoices to ensure subject matter expert instructions, rate changes, and contract terms are accurately applied

• Leverage technology to manage AP and AR; ensure changes (e.g., escalators, adjustments) are documented and reflected promptly

• Prevent downstream corrections by identifying issues before invoices are sent out

Payer Files & Data Reconciliation

• Review payer data (e.g., Medicaid, Blue Cross) for completeness, accuracy, and alignment with expected norms before loading into financial models

• Identify discrepancies, investigate issues, and escalate as appropriate

Quality Control & Process Improvement

• Implement and enforce QC checklists for AP, invoicing, payer files, and journal entries

• Conduct periodic reviews of staff work to ensure policies and procedures are followed

• Recommend and implement process improvements for greater efficiency and accuracy

Team Support & Leadership

• Mentor and support staff accountants in developing technical accuracy and attention to detail

• Act as a liaison with SMEs, ensuring instructions are documented, confirmed, and executed in a timely manner

• Support audit preparation and respond to auditor requests

• Provide coverage for finance leadership as needed

Required Skills:

• Detail Orientation: Ability to identify and correct errors; high level of accuracy in all work

• Listening & Communication: Demonstrated ability to capture instructions, confirm understanding, and follow through

• Analytical Skills: Strong problem-solving and variance analysis capabilities

• Process Discipline: Experience creating, implementing, and enforcing structured workflows and checklists

• Technology Proficiency: Comfortable with accounting software, Excel (lookups, pivots), and data files from external sources

• Time Management: Ability to prioritize multiple responsibilities and meet deadlines in a fast-paced environment

• Collaboration: Strong interpersonal skills to work with SMEs, finance leadership, and accounting staff.

• Professional Accountability: Ownership for both the quality of their own work and the oversight of staff-prepared work

Desired Other Skills:

• Advanced Excel & fiscal data analysis: comfort with pivot tables, lookups and error checks to quickly analyze payer files and/or reconcile large datasets

• Automation mindset: ability to streamline repetitive tasks (using excel or another tool) to reduce manual errors

• Documentation discipline: ability to create SOPs/checklist and keep them current

• Nonprofit/healthcare familiarity

• Experience with anti-racism activities, and/or lived experience with racism is highly preferred

Qualifications:

• Bachelor’s degree (BA or BS), focus in Accounting, Finance, or related field preferred

• 3–5 years of progressive accounting experience, ideally in a nonprofit, healthcare, or payer-provider setting

• Strong knowledge of GAAP and nonprofit accounting standards

• Experience with monthly close, reconciliations, journal entries, and invoicing

• Prior experience reviewing and improving accounting processes

** In compliance with Infection Control practices per Mass.gov recommendations, we require all employees to be vaccinated consistent with applicable law. **