Director of Finance and Treasury

About Arbitrum OpCo

Arbitrum’s Operation Company (OpCo) is dedicated to supporting the growth and success of the Arbitrum ecosystem on behalf of the ArbitrumDAO. As a DAO-adjacent entity, OpCo provides the operational infrastructure necessary to empower contributors, coordinate strategic projects amongst Arbitrum Aligned Entities, and ensure the seamless execution of approved proposals.

Our mission is to serve as the connective link between the DAO’s vision and real-world execution, maintaining transparency, agility and alignment with the Arbitrum communities. We offer logistical support across a decentralized network of builders, stakeholders, and community members.

At OpCo, we value decentralization, high integrity, and collaboration. We are looking for committed individuals who are passionate about operational excellence for DAOs in Web3 and are eager to support the next wave of experimental governance.

Role Overview

As Director of Finance and Treasury at Arbitrum OpCo, you will lead the strategic and operational treasury functions that support the DAO. This role goes beyond day-to-day execution — you will establish best practices for accounting, oversee treasury operations across fiat and digital assets, and ensure that OpCo is a trusted steward of the DAO’s financial resources.

You will manage payments, conversions, and multisig operations while designing frameworks for risk management, liquidity planning, and long-term sustainability. In addition, you will represent OpCo in the ATMC, contributing treasury expertise to governance discussions and providing financial insight to support DAO-level decision-making.

Key Responsibilities Treasury & Strategy Develop and implement the DAO’s treasury management strategy across fiat and digital assets Forecast liquidity and model cash flow scenarios to support long-term planning Coordinate conversions with OTC desks, custodians, and exchanges to optimize asset allocation Lead risk management initiatives, including multisig wallet security and transaction controls Implement internal controls for payments, vendor oversight, and DAO-related transfers Identify and execute process improvements to enhance efficiency, security, and reduce operational risk Payments & Operations Oversee all DAO payments, ensuring accuracy, timeliness, and compliance Manage day-to-day treasury flows, including settlements, disbursements, and multi-currency transactions Maintain oversight of multisig operations with appropriate controls and documentation Accounting & Financial Reporting Oversight Oversee and manage accounting processes, coordinating with external partners to ensure transparency, accuracy, and timeliness in financial reporting Define and enforce best practices for accounting in a crypto-native context Provide regular financial reports to leadership, stakeholders, and the community Governance & Representation Represent OpCo in the ATMC and other governance forums on treasury-related matters Collaborate cross-functionally to align financial operations with DAO-wide goals Clearly communicate treasury and financial matters to both finance and non-finance audiences Qualifications/Skillset Required 4+ years of experience in crypto-focused treasury management and financial transactions Strong knowledge of blockchain finance, crypto assets, and custodial tools (e.g., Safe, Fireblocks, Coinbase) Proven track record in managing payments, conversions using OTC desks, and liquidity planning across fiat and crypto Experience overseeing accounting processes for crypto transactions and establishing best practices Strong analytical and strategic mindset, with the ability to balance risk management and operational efficiency Excellent communication skills and ability to thrive in a fast-paced, globally distributed environment Experience managing external stakeholders (custodians, auditors, service providers) Familiarity with compliance obligations in both fiat and crypto contexts Preferred Experience working with DAOs or decentralized treasury structures Familiarity with governance processes and community-driven decision-making Prior experience with crypto-native accounting tools (e.g., Xero, Cryptio, Tres) Ability to design and scale treasury frameworks at the intersection of Web3 and traditional finance