About Arbitrum OpCo

Arbitrum’s Operating Company (OpCo) is dedicated to supporting the growth and success of the Arbitrum ecosystem on behalf of ArbitrumDAO. As an adjacent entity to the DAO, OpCo provides the necessary operational infrastructure to empower stakeholders, coordinate strategic projects between Arbitrum-aligned entities, and ensure the smooth implementation of approved proposals.

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

At OpCo, we value decentralization, high integrity, and collaboration. We are looking for individuals who are committed and passionate about operational excellence for DAOs at Web3 and 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 supporting the DAO. This role goes beyond day-to-day implementation – you will establish accounting best practices, oversee treasury operations across paper and digital assets, and ensure that OpCo is a trusted steward of the DAO’s financial resources.

You will manage payments, transfers and multi-signature processes while designing frameworks for risk management, liquidity planning and long-term sustainability. In addition, you will represent OpCo at ATMC, contribute treasury expertise to governance discussions and provide financial insight to support decision-making at the DAO level.

Key responsibilities

Treasury and strategy

• Develop and implement the DAO’s treasury management strategy across fiat and digital assets
• Liquidity forecast and model cash flow scenarios to support long-term planning
• Coordinate transfers with OTC desks, custodians, and exchanges to optimize asset allocation
• Lead risk management initiatives, including multi-signature wallet security and transaction controls
• Implement internal controls for payments, vendor monitoring and DAO-related transfers
• Identify and implement process improvements to enhance efficiency and security and reduce operational risks

Payments and operations

• Oversee all DAO payments, ensuring accuracy, timeliness and compliance
• Manage daily treasury flows, including settlements, payments and multi-currency transactions
• Maintain oversight of multisig operations using appropriate controls and documentation

Oversight of accounting and financial reports

• Supervising and managing accounting processes, and coordinating with external partners to ensure transparency, accuracy and timeliness in preparing financial reports.
• Identify and implement accounting best practices in the context of native coding
• Provide regular financial reports to leadership, stakeholders and community

Governance and representation

• Represent OpCo in ATMC and other management forums on treasury related matters
• Cross-functional collaboration to align financial processes with DAO-level objectives
• Communicate treasury and financial affairs clearly to both financial and non-financial audiences

Qualifications/skill set

required

• 4+ years of experience in treasury management and financial transactions focused on cryptocurrencies
• Strong knowledge of blockchain finance, crypto assets, and custodial tools (e.g. Safe, Fireblocks, Coinbase)
• Proven track record in managing payments and transfers using OTC desks and liquidity planning across fiat and cryptocurrencies
• Experience in 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 succeed in a fast-paced, globally distributed environment
• Experience in managing external stakeholders (custodians, auditors and service providers)
• Familiarity with compliance obligations in both fiat and crypto contexts

the favorite

• Experience working with DAOs or decentralized treasury structures
• Familiarity with governance and community-based decision-making processes
• Previous experience using native crypto accounting tools (e.g. Xero, Cryptio, Tres)
• Ability to design and scale treasury frameworks at the intersection of Web3 and traditional finance