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Senior Manager, Accounting & Finance

Mozilla· Thunderbird
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Remote$165k - $190kfull-timePosted 5d ago

About the role

Senior finance leader responsible for overseeing accounting, FP&A, tax, treasury, and finance operations across Thunderbird, with hands-on leadership, reporting to the COO, and managing a small finance team.

Responsibilities

  • Lead Thunderbird’s finance function, with overall responsibility for accounting, financial planning and analysis, tax, treasury, and finance operations
  • Manage and develop Thunderbird’s finance team, establishing clear 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 clear management reporting and visualizations that highlight important trends, risks, tradeoffs, and decisions
  • Oversee tax, audit, indirect tax, VAT/GST, corporate filings, and related work with external advisers
  • Evaluate the 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
  • Own financial oversight of payroll 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, working closely with the Senior FP&A Analyst
  • Serve as a trusted finance adviser to organizational leaders, translating complex financial information into clear recommendations

Qualifications

  • 15+ years of relevant professional experience, including progressively responsible roles spanning accounting, financial planning and analysis, and finance operations
  • Significant accounting or controllership experience, including responsibility for 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
  • Demonstrated ability to improve budgeting, forecasting, management reporting, and financial data visualization and translate complex information into clear 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 the 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
  • Proven ability to oversee tax, audit, and other external finance requirements and effectively manage outside advisers
  • Experience providing oversight and review of cash management, treasury, banking, and organizational investment activities, including developing recommendations for senior decision-makers
  • A track record of strengthening financial systems, workflows, documentation, and controls
  • Strong judgment and comfort moving between people leadership, detailed financial review, practical 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

Skills

Required:Accounting leadershipFinancial planning and analysis (FP&A)Team management

Benefits

  • Fully remote work & schedule flexibility
  • Company-provided laptop
  • Annual bonus program
  • Monthly remote work stipend
  • Annual professional development stipend
  • Access to Coursera learning platform
  • Company all-hands and team gatherings
  • 24 days PTO per year (prorated)
  • Your birthday
  • Year-end company shutdown
  • 9 wellbeing days
  • Public holidays
  • Other paid leave
  • Quarterly wellbeing stipend for personal / family activities
  • 401(k) contributions
  • Health, dental, & vision insurance
  • Disability insurance
  • Life insurance
  • Employee assistance program
  • Paid parental leave
  • Paid sick days
Last updated Oct 21, 2026. Interested? Apply on the company site.

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Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

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