Sr. Accounting Manager | Rapid AI SaaS Startup | Boston Equity

Sr. Accounting Manager | Rapid Growth AI SaaS Startup | Boston | $140k-$170k + Bonus + Equity The Client

Harmonic is delighted to be supporting one of the fastest growing AI companies globally. The business is building a next-generation platform that enables large enterprises to rapidly adopt AI, modernize legacy systems, and significantly accelerate software development cycles.

With a dual-product offering, the platform is used both at the enterprise level to drive large-scale transformation initiatives and by product and engineering teams to improve speed, efficiency, and overall output in building and deploying new applications.

Having launched recently with a SaaS-based model, the company has already achieved significant early traction, scaling past $40m ARR within their first year and raising a $200m Series A. The business is now entering a phase of hypergrowth, with ambitious targets and a clear path toward becoming a category-defining platform as it works toward an eventual IPO.

The Senior Accounting Manager will report directly to the Controller and serve as a key leader within the accounting organization, helping scale the accounting function, strengthen internal controls, and support the company's continued growth. This individual will own critical accounting processes, lead close and reporting activities, drive process improvements, and partner cross-functionally across Finance, Operations, and GTM teams.

This role will play a significant part in enhancing the company's accounting infrastructure, supporting audit and compliance initiatives, optimizing systems and workflows, and ensuring the organization can scale efficiently as the business grows. The ideal candidate combines strong technical accounting expertise with a proactive, process-oriented mindset and experience operating in a high-growth SaaS environment.

• Manage the month-end, quarter-end, and year-end close processes, ensuring timely and accurate financial reporting
• Review complex journal entries, account reconciliations, and financial statement analyses prepared by the team
• Serve as a key resource for technical accounting matters, including revenue recognition (ASC 606) and other GAAP-related issues
• Partner with the Controller on audit readiness, external audits, and compliance initiatives
• Lead accounting process improvements and automation efforts to enhance scalability and efficiency
• Play a leadership role in ERP implementation, optimization, and system enhancements
• Oversee key accounting cycles including order-to-cash, revenue, AP, AR, and related controls
• Develop, implement, and maintain accounting policies, procedures, and internal controls
• Manage and mentor accounting team members, providing coaching, development, and performance feedback
• Partner with FP&A, Operations, GTM, and executive leadership to support business initiatives and strategic decision-making
• Support M&A activities, integration efforts, and other strategic finance and accounting projects as needed

• Strong knowledge of U.S. GAAP and technical accounting concepts, particularly ASC 606
• Experience leading close processes and managing accounting operations in a high-growth environment
• Demonstrated experience improving processes, controls, and system workflows
• Strong analytical, organizational, and communication skills
• Ability to lead projects and influence cross-functional stakeholders

• Big 4 public accounting experience
• Experience with in SaaS, technology, or venture-backed companies
• Experience with ERP implementations or major system enhancements
• Exposure to M&A transactions and post-acquisition integrations
• Experience supporting SOX readiness or public-company reporting environments

Compensation: $140k - $170k + Bonus + Equity

At Harmonic, we’re committed to fostering a diverse and inclusive environment. We welcome applicants of all backgrounds and ensure every candidate is considered equitably and respectfully.