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Senior Fundraising Strategist

Canada; Germany; UK; US · Job Posted May 14, 2026
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Job Description

Mozilla Foundation is a non-profit building a better technology future — powered by people, open by design, fueled by imagination. We deliver people-first alternatives to today’s extractive systems. We build side by side with developers, innovators and advocates, united in the belief that a better technology future is not only possible — it’s ours to create. Team The Development team at Mozilla Foundation drives the philanthropic support that fuels our mission to ensure the internet is a global public resource, open and accessible to all. The team builds meaningful relationships with individual donors, foundations, and partners who share our vision for a healthier internet. Through strategic fundraising initiatives, we secure the resources needed to advance Mozilla's mission of promoting openness, innovation, and opportunity online. The Senior Fundraising Strategist is responsible for engaging Mozilla Foundation supporters in order to meet our organizational grassroots fundraising goals. This includes growing our donor base globally, identifying opportunities to solicit existing and prospective donors, and producing content that aligns with the Mozilla Foundation’s mission and goals. This role will be essential to telling Mozilla’s story and shaping how we communicate with our supporters. The Senior Fundraising Strategist will translate Mozilla’s advocacy work, programmatic work, and relevant news stories into compelling fundraising opportunities to mobilize the Mozilla community. In addition, the Senior Fundraising Strategist will support a range of A/B testing and optimization projects in order to maximize the potential of the grassroots fundraising program. This role will report to the Manager, Grassroots Fundraising.

Job Responsibility

  • Develop engaging grassroots fundraising campaigns aligned with Mozilla Foundation’s mission and organizational fundraising goals
  • Support the planning and execution of Mozilla Foundation’s end-of-year fundraising strategy
  • Pitch ideas to engage Mozilla’s global community, grow the grassroots donor base, and identify opportunities to solicit existing and prospective donors
  • Write compelling fundraising content for supporters across channels such as email, website, and more
  • Identify A/B testing priorities, design testing plans, monitor results, and report on key learnings and next steps
  • Collaborate within the Development team and across teams, including Tech Platforms, to improve supporter and donor experiences
  • Develop engaging fundraising campaigns in line with Mozilla Foundation’s mission
  • Pitch ideas to engage Mozilla’s global community with the goal of growing our grassroots donor base
  • Support the planning and execution of our end-of-year fundraising strategy
  • Move one-time and recurring donors up the ladder of engagement, encouraging them to increase their level of support
  • Re-engage lapsed donors and ask them to renew their support
  • Identify A/B testing priorities and design testing plans across fundraising channels
  • Analyze results and engagement metrics to build on past success and optimize the fundraising program
  • Research trends and best practices in the nonprofit sector to refine Mozilla’s grassroots fundraising and mobilization efforts
  • Write fundraising content for the Mozilla community across channels such as email, website, and more
  • Develop content aligned with Mozilla Foundation’s mission and advocacy campaigning efforts
  • Convey technical subject matter in conversational and nuanced language
  • Develop creative and automated email campaigns that deepen donor engagement and increase giving
  • Prepare experiment write-ups that summarize A/B test variations, methodology, hypotheses, results, statistical significance, conclusions, and next steps
  • Support non-fundraising initiatives that mobilize Mozilla’s global community
  • Collaborate within the Development team and with the Tech Platforms team on projects that deliver a more personalized donor experience
  • Participate in the email calendaring process
  • Assist with email quality assurance
  • Identify opportunities to refine Development team processes and practices
  • Other related duties as assigned, consistent with the scope and level of the role

Requirements

  • At least 5 years of digital fundraising experience or experience working in digital campaigning
  • Excellent email writing skills and proven ability to motivate supporters to take action
  • Experience writing emails for a diverse, global, large-scale email list of 1 million or more subscribers
  • Experience with A/B testing, experiment write-ups, and campaign optimization
  • Demonstrated ability to develop successful online donor recruitment strategies based on donor data and insights, fundraising trends within the nonprofit sector, and organizational priorities and plans
  • Demonstrated ability to conduct research and analysis on complex technical and political issues, and turn those issues into fundraising opportunities
  • Strong analytical, oral, written, and social communication skills in English
  • Strong familiarity with CRM and campaigning tools, such as Salesforce, Campaign Monitor, or ActionKit
  • Experience managing larger cross-team projects, including projects involving technical staff
  • A self-starter and team player who adheres to schedules and deadlines with strong attention to detail and process
  • Experience working successfully in a remote capacity with a geographically dispersed team
  • Excellent data analysis, project management, organizational, collaboration, and time management skills
  • English copywriting skills that adapt to an organization’s voice and tone, connect donors with its work, and motivate its community to donate

Nice to have

  • Nonprofit organizations focused on internet rights or consumer rights
  • Donor data, supporter insights, and fundraising trends used to refine grassroots fundraising and mobilization efforts
  • Automated email campaigns that increase donor engagement and giving
  • Collaboration with technical teams to improve personalized donor experiences
  • Supporter mobilization initiatives beyond fundraising

What we offer

  • Private Medical Insurance
  • Extended Sick Leave
  • Global Employee Assistance Program (EAP)
  • Retirement Plan contributions
  • Paid Time Off: 20 days annual leave + sick days and your birthday
  • Company Holidays + Shutdown
  • Wellness budget
  • Professional Development budget
  • Top up program for Pregnancy and Parental leaves

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