Accounting Manager | Rapid Growth Physical AI Start-Up ($1B+ Series A)| San Francisco | $130k - $170

Accounting Manager | Rapid Growth Physical AI Start-Up ($1B+ Series A)| San Francisco | $130k - $170k + Bonus + Equity The Client Harmonic are proud to have been retained by a rapidly growing VC-backed Physical AI start-up revolutionizing mankind’s understanding of the physical sciences. They are preparing to manufacture multiple complex HardTech products utilizing AI, with the ability to take massive leaps forward in our interpretation of the laws which underpin physics. The business has applications impacting space exploration, climate and green energy, advanced computing, robotics, defense and the global food supply chain. They are currently in stealth mode and incubated by a major VC player with a track record of launching some of the fastest growing and most transformative AI businesses in their respective fields. They are preparing to announce one of the largest Series A fundraises in start-up history, well in excess of $1 billion, backed by multiple top-tier VC investors. Our client has a genuinely values-led culture with an incredibly bright leadership team. Founded by award-winning scientists and AI industry leaders, the team includes Founders and early employees from some of the world's leading AI labs and HardTech businesses. The Role: We are looking for an Accounting Manager to join their growing accounting team at a pivotal moment in the company's journey. Reporting directly to the Assistant Controller, you will be a key contributor in building out a world-class accounting function as we scale our manufacturing operations. This role offers the opportunity to own meaningful work end-to-end, from monthly close to financial controls, while collaborating closely with Finance, Operations, and R&D in a fast-paced, high-growth environment. Responsibilities: Own the full month-end close cycle, including journal entries, account reconciliations, and financial reporting. Drive meaningful improvement in close timeliness, implementing scalable processes as the business grows. Maintain and improve fixed asset roll-forwards and reconciliations. Partner with the Senior Accounting Manager on audit preparation and the implementation of robust financial controls to support manufacturing operations. Ensure data integrity and accuracy across all financial records. Collaborate cross-functionally with Finance and Operations to improve reporting processes and maintain compliance. Manage lease accounting under ASC 842, including right-of-use asset and lease liability tracking, amortization schedules, and disclosure support. Maintain and improve processes for accounts payable (AP), accounts receivable (AR), and expense reporting. Support intercompany transactions and international group consolidations. Contribute to cash flow forecasting and perform regular balance sheet reconciliations. Requirements: 5+ years of accounting experience, ideally within a VC-backed scale-up, high-growth startup, or multi-entity environment. Hands-on experience with AP, balance sheet reconciliations, and fixed assets. Comfortable working across multiple entities, including international subsidiaries. Working knowledge of lease accounting under ASC 842 (or IFRS 16), including ROU assets, lease liabilities, and related disclosures. Sharp attention to detail with a proactive, problem-solving mindset. Enthusiastic about building and improving processes in a fast-moving business. Nice to Have: CPA Experience in a manufacturing or CAPEX-intensive business. Background in Deep Tech sectors such as Green Energy, Space Tech, Defense Tech, or Biotech. Familiarity with inter-company eliminations and multi-currency consolidations. Location: Hybrid in San Francisco Compensation: $130-$170k + Bonus + Equity #J-18808-Ljbffr Harmonic Finance Inc ™ | Certified B Corp