Accounting Manager

AION•New York, NY

13h•Hybrid

About The Position

aion is an Applied AI Research Lab that designs, builds, and deploys custom AI models, intelligent agents, and end-to-end AI systems for enterprises. They are a small, high-conviction team focused on building a robust finance function. The Accounting Manager will be responsible for owning and building aion's finance operations, working directly with the founders and senior leadership. This role will be central to every financial decision as the company scales globally and will lead the development of the FinOps function.

Requirements

Knowledge of US and UK GAAP, expense allocations, global consolidations, and intercompany accounting
Hands-on experience with multi-currency accounting and global entity reporting
5–8 years of progressive accounting experience - meaningful time in a high-growth tech or startup environment is essential
Experience with international payroll and multi-entity accounting
Experience with UK statutory accounts, Companies House filings, and UK corporation tax compliance
Strong working knowledge of modern accounting systems (Xero, Ramp, etc.) and advanced Excel / Google Sheets
You build processes under resource constraints and don't wait for a perfect system before getting things done
You operate well in ambiguity, adapt to shifting priorities, and maintain a growth mindset

Nice To Haves

CPA preferred

Responsibilities

Lead and continuously improve consolidations, allocations, and intercompany processes across our multi-entity, multi-currency global structure
Drive month-end and year-end close including account reconciliations, financial statement preparation, and all compliance activities
Own the external annual audit end-to-end - primary relationship with our CPA firm
Build and maintain scalable finance operations that support timely, accurate management reporting to founders and senior leadership
Support recurring management reporting and ad hoc analysis as the business demands
Manage statutory compliance and filings across all jurisdictions — including US sales taxes, federal/state corporate income taxes, UK corporation tax, VAT returns, Companies House filings, and UK statutory account
Establish and maintain a strong internal control environment aligned with public company readiness standards, including documented workflows and accounting policies
Continuously evaluate and improve systems, tools, and processes. We expect you to automate the boring stuff