Senior Accounting Manager

About the role

The Senior Accounting Manager is a key member of the Finance team responsible for the integrity, accuracy, and scalability of accounting and financial operations across Mozilla.org and its subsidiaries. This hands-on role oversees multi-entity accounting, financial close and reporting, treasury, tax coordination, audit management, and financial controls. The manager will strengthen systems and processes to support the organization's growth while ensuring compliance across non-profit and for-profit entities.

Responsibilities

• Own the daily accounting in the general ledger for the three managed entities, including journal entries, expenses, accruals, and inter-company transactions.
• Own the monthly, quarterly, and annual close processes to ensure accurate and timely financial reporting.
• Oversee cash management and treasury activities, including cash flow forecasting and banking relationships.
• Coordinate federal, state, and local tax compliance across entities in partnership with external tax advisors.
• Serve as a key point of contact for external auditors and coordinate audit planning and preparation.
• Maintain and strengthen internal controls over accounting, cash, payments, and financial reporting.
• Identify and implement opportunities to improve, automate, and scale recurring accounting and financial processes.

Required skills

• U.S. GAAP
• General Ledger
• Financial Reporting
• Treasury Management
• Tax Compliance
• Audit Management
• Internal Controls
• Financial Analysis

Nice to have

• Nonprofit Accounting
• Form 990
• Inter-company Accounting
• Consolidated Financial Reporting
• Multi-state Tax Compliance

Qualifications

• 7+ years of progressively responsible accounting experience
• Experience with both non-profit and for-profit organizations
• Experience supporting multiple legal entities or complex organizational structures

Certifications

• CPA

About the Company

Mozilla is a mission-driven portfolio of companies and organizations working together to shape an internet that serves people and the public good. Mozilla.org serves as a steward of this portfolio, managing assets and investments to ensure they are used to advance the vision outlined in the Mozilla Manifesto.