Senior Accountant - Hybrid/Boston, MA

Brook • Boston, MA

2d • $90,000 - $115,000 • Hybrid

About The Position

About Brook Inc Brook Health delivers care beyond the walls of the doctor’s office. Brook provides people living with chronic conditions a highly personalized experience enhanced by AI and powered by mobile apps, connected devices, and a team of health coaches and clinicians. We help people achieve their long-term health goals by supporting smart, daily decisions and partnering with their primary care physicians. Our product suite includes continuous remote monitoring, population health management tools, and a CDC-approved diabetes prevention program. Brook has an intentional, user-centric culture with high expectations for delivering better health outcomes for patients, providers, and health systems. Position Summary The Senior Accountant owns core accounting operations and supports the continued development of Brook’s finance function as the company scales. The role extends beyond execution of the close to include process improvement, support of new initiatives tied to company growth, and cross-functional partnership as business needs evolve. Ownership includes end-to-end accounting processes across payables, receivables, and payroll, along with key components of the month-end close. Strong execution discipline ensures accuracy, timeliness, and financial integrity across all workflows. The role also brings structure to accounting operations by evaluating existing workflows, reducing manual processes, and implementing scalable solutions, including automation and AI-enabled tools where appropriate. Success requires balancing hands-on execution with continuous improvement, building systems that scale with the business. Brook's hybrid model is in-office Monday-Thursday, remote Friday.

Requirements

• Strong knowledge of GAAP and core accounting principles, including month-end close processes, journal entries, reconciliations, and variance analysis
• Proficiency in accounts payable and accounts receivable workflows, with a focus on accuracy and controls
• Understanding of payroll operations, including multi-state considerations
• Understanding of internal controls and audit requirements, with the ability to maintain and strengthen processes
• Ability to own and execute multiple accounting processes end-to-end
• Strong analytical rigor and problem-solving capability
• Ability to identify inefficiencies and implement process improvements, including automation and AI-enabled tools
• Strong organizational skills and ability to manage competing priorities
• Effective communication and cross-functional collaboration skills
• Ability to operate independently and bring structure to evolving environments
• Ability to exercise sound judgment and maintain confidentiality
• CPA required
• Minimum 3–5 years of accounting experience, including public accounting background

Nice To Haves

• Experience owning or leading components of the month-end close process
• Hands-on experience managing or overseeing payroll, with multi-state experience preferred
• Experience managing full-cycle accounts payable and accounts receivable
• Experience supporting or leading audit preparation, including documentation and process walkthroughs
• Experience with accounting and payroll systems such as QuickBooks, Ramp, Paylocity, or similar
• Experience identifying and implementing process improvements, automation, or system enhancements
• Experience working in a high-growth or scaling environment

Responsibilities

• Lead key components of the month-end close, including preparation and review of journal entries, account reconciliations, and variance analysis
• Own end-to-end accounting processes across accounts payable, accounts receivable, and payroll
• Ensure accuracy, completeness, and timeliness of financial transactions and reporting
• Maintain strong operational discipline across all accounting workflows
• Evaluate existing workflows to identify inefficiencies and areas of risk
• Reduce manual processes and implement scalable solutions across accounting operations
• Identify and implement automation opportunities, including AI-enabled tools, to improve accuracy and efficiency
• Support the development of a technology-enabled accounting function aligned to company growth
• Maintain and strengthen internal controls across accounting processes
• Ensure alignment with company policies, audit standards, and regulatory requirements
• Support external audits and tax preparation, ensuring documentation and financial records are audit-ready
• Assist in the development and documentation of accounting policies, procedures, and best practices
• Collaborate cross-functionally with Finance, People, and operational teams on payroll, benefits, and financial workflows
• Support technical accounting initiatives tied to new and evolving business operations
• Evaluate financial impacts of company growth initiatives and expansion activities
• Contribute to building scalable financial infrastructure to support long-term growth

Benefits

• In addition to meaningful work in a mission-driven company, Brook offers a comprehensive benefits package designed to support the medical, financial and mental health wellbeing of our employees and their families.
• Healthcare Coverage Employee & Child(ren): Brook pays 100% of premiums for full-time employees and their child or children for Medical, Dental, and Vision coverage. This means there are no paycheck deductions for you or your child(ren). Spouse/Domestic Partner: Brook contributes 50% of premiums for coverage of a spouse or domestic partner. HSA Contribution: Employees who enroll in our HSA-eligible medical plan receive a Brook-funded contribution to help cover medical expenses such as deductibles, prescriptions, and office visits. Medical Concierge: Brook provides a concierge service to help employees and their families manage healthcare needs like claims, referrals, and care coordination.
• Mental Health & Wellbeing Mental Health Support: Brook supplements the mental health coverage included in our medical plan with additional resources. Employees have access to free therapy sessions through Spring Health, providing confidential, professional support when it’s needed most. Flexible PTO: Our PTO program is truly flexible — no accruals and no preset limits. You and your manager decide what’s reasonable, so you can take the time you need to recharge. In addition, we provide dedicated sick time to support your health and well-being, and a generous holiday schedule that ensures time to rest and celebrate with family and friends.
• Financial Wellness & Security Income Protection: Brook provides Short-Term and Long-Term Disability insurance to all full-time employees, helping replace income during an illness or injury. Short-Term Disability works alongside any state or insurance benefits and Brook coverage to provide added financial support while you’re away from work. Life Insurance: Brook provides company-paid life insurance equal to one times salary, up to a set maximum. 401(k) Retirement Savings: All employees (full-time and part-time) are automatically enrolled in our 401(k) plan. Brook provides a company match to help employees grow their retirement savings. Emergency Savings Account (ESA): Brook helps employees build financial resilience by supporting contributions to an emergency savings account. Brook matches a portion of employee contributions, helping the fund grow faster. The account is completely flexible — you decide what qualifies as an emergency and how to use the funds.
• Recognition & Community Employee Referral Bonus: Great people know great people. When you refer a candidate who is hired, you’ll receive a referral bonus.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 11-50 employees