Senior Financial Controller

The Senior Controller is responsible for full financial ownership of assigned US entities, including month-end close, statutory and tax compliance, and overall financial integrity. This role acts as a trusted business partner to cross-functional stakeholders, ensuring accurate month-end close, strong controls and proactive financial oversight.

The position requires a highly experienced accounting professional with a Big 4 background, capable of leading complex accounting matters, driving process improvements and enhancing automation and scalability of finance operations.

About Nebius

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.

Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.

Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

Responsibilities

Full Ownership of US Entities

• Act as the primary finance owner for assigned US entities, ensuring end-to-end accountability for financials.
• Serve as a trusted partner to stakeholders across Tax, Legal, FP&A and business teams.
• Provide financial insights, guidance, and support for business decisions and transactions.
• Lead transformation initiatives (local and global), including automation and standardization of processes to improve efficiency, accuracy and scalability.

Month-End Close Leadership

• Lead and oversee the month-end close process, ensuring timely, accurate and complete financial close.
• Prepare, review and approve journal entries, accruals, reconciliations, and supporting documentation.
• Analyze financial performance, explain key variances, and ensure transparency of financial results.
• Ensure consistency and integrity of financial data across systems and reports.

Financial Oversight & Technical Accounting

• Maintain full ownership of financial accuracy across all accounting areas.
• Support accounting for complex and non-routine transactions, including large deals, acquisitions, and infrastructure investments.
• Review key estimates, accruals, and judgments to ensure compliance with US GAAP and internal policies.
• Act as a second line of control, ensuring completeness and consistency across the month-end close and control framework.
• Oversee all statutory and tax compliance activities for US entities, including:
• Corporate Income Tax and Sales & Use Tax (in coordination with Tax team)
• Statutory financial statements (where applicable)

Regulatory and statistical filings (where applicable)

• Ensure accurate and timely filings across all jurisdictions.
• Maintain and oversee a comprehensive compliance calendar with clear ownership and accountability.
• Review and approve statutory and tax adjustments recorded in ERP systems.
• Lead external and internal audit processes.
• Act as the key point of contact for internal and external stakeholders, including auditors and advisors.
• Coordinate effectively with Tax, Legal, FP&A and Group Reporting teams.
• Ensure clear ownership, timelines, and delivery across all parties.
• Provide technical accounting guidance and mentorship where needed.
• Manage and develop a small team, including task allocation, review, and coaching.

Governance, Controls & Process Improvement

• Ensure strong internal controls and compliance with SOX.
• Identify control gaps, risks, and inefficiencies, and implement sustainable solutions.
• Drive continuous improvement initiatives across accounting and compliance processes.
• Lead transformation of existing processes and controls, including automation of manual activities to improve efficiency and scalability.
• Enhance visibility, tracking, and reporting across financial and compliance activities.

Requirements

• 10+ years of relevant experience, including Big 4 (Audit or Advisory) and industry experience.
• Strong expertise in US GAAP and financial reporting.

Preferred

• Bachelor’s degree in Accounting, Finance, or related field (CPA or equivalent strongly preferred).