Senior Manager, Accounting & Finance

Mozilla

8h•$165,000 - $190,000•Remote

About The Position

Thunderbird is seeking a Senior Manager, Accounting & Finance to serve as its most senior finance professional. This hands-on functional leadership role combines a strong accounting or controllership foundation with responsibility for financial planning and analysis, finance operations, and organization-level decision support. The role will help Thunderbird manage growing financial complexity across donations, subscription services, enterprise offerings, and international operations, while developing the systems, controls, reporting, and finance practices needed for its next stage of growth. Reporting to the Chief Operating Officer, the role directly manages the Senior Staff Accountant and Senior FP&A Analyst. The finance leader oversees accounting, FP&A, tax, treasury, and finance operations; provides experienced financial judgment; develops the team; and remains close to detailed financial work. The position requires regular working-hour overlap with colleagues across North American time zones, with flexibility for meetings with colleagues, advisers, and affiliated organizations in Europe. Eastern or Central U.S. time-zone candidates are preferred. This is a full-time, fully remote position, with periodic domestic or international travel for company-wide gatherings and team workweeks.

Requirements

15+ years of relevant professional experience, including progressively responsible roles spanning accounting, FP&A, and finance operations.
Significant accounting or controllership experience, including U.S. GAAP financial reporting, close processes, internal controls, revenue recognition, and complex accounting judgments.
5+ years of people management experience in a finance or accounting environment, including coaching, feedback, prioritization, performance support, career development, and team development.
Ability to improve budgeting, forecasting, management reporting, and financial data visualization, and to translate complex information into insights and recommendations for non-finance leaders.
Substantive experience with subscription, SaaS, digital-product, enterprise, or comparable technology-based revenue models.
Experience supporting partner-led commercial arrangements, such as reseller, licensing, wholesale, or revenue-sharing models, including evaluating financial terms and developing or overseeing related reporting, reconciliation, controls, and revenue-recognition processes.
Working knowledge of merchant-of-record arrangements, payment platforms, indirect tax, and international VAT/GST requirements.
Experience supporting an internationally distributed organization and coordinating financial obligations across multiple jurisdictions.
Ability to oversee tax, audit, and other external finance requirements and manage outside advisers.
Experience overseeing and reviewing cash management, treasury, banking, and organizational investment activities, including developing recommendations for senior decision-makers.
Track record of strengthening financial systems, workflows, documentation, and controls.
Strong judgment and comfort moving between people leadership, detailed financial review, hands-on problem-solving, and organization-level decision support.
Excellent communication and cross-functional collaboration skills, including the ability to identify and explain financial risks, implications, and tradeoffs.
Strong communication and documentation skills for working with colleagues, partners, and customers across countries and time zones.
Must reside in and have permanent work authorization for a country location specified in the posting; visa sponsorship is not available.
Availability to participate in required company-wide gatherings and team workweeks, which may involve periodic domestic or international travel.

Nice To Haves

Experience within a subsidiary, portfolio, federated, or similarly affiliated organizational structure, including reporting to a parent organization or shareholder.
Prior work supporting the establishment of a new legal entity or expansion into a new jurisdiction.
Familiarity with Intacct, Ramp, or comparable finance and expense-management systems.
Experience in a mission-driven, open-source, nonprofit-affiliated, or similarly values-oriented organization.

Responsibilities

Lead Thunderbird’s finance function, including accounting, financial planning and analysis, tax, treasury, and finance operations.
Manage and develop the finance team, establishing priorities, responsibilities, review practices, and accountability.
Oversee monthly and annual close, financial reporting, reconciliations, accounting policies, and internal controls.
Oversee accounting and revenue recognition across donations, subscriptions, enterprise arrangements, partnerships, and other revenue streams.
Lead annual budgeting, forecasting, longer-range financial planning, and scenario analysis.
Develop management reporting and visualizations that highlight trends, risks, tradeoffs, and decisions.
Oversee tax, audit, indirect tax, VAT/GST, corporate filings, and related work with external advisers.
Evaluate financial, tax, accounting, and operational implications of entering new jurisdictions or establishing additional entities.
Work with Enterprise Partnerships and Legal to establish financial reporting, reconciliation, and control processes for partner-led commercial arrangements.
Oversee financial reporting to Thunderbird’s parent organization and affiliated Mozilla organizations.
Oversee payroll finance across multiple providers in partnership with the People team.
Document and strengthen finance systems and workflows, including accounting, expense management, payment-platform reconciliation, documentation, and automation.
Oversee cash-flow planning, treasury, banking, and investment activities in collaboration with the Senior FP&A Analyst.
Advise organizational leaders by translating complex financial information into clear recommendations.