Executive Assistant

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.

The Executive Support function sits within Strategic Operations and exists to enable Mozilla Foundation’s senior leadership to operate with clarity, focus, and impact. The team provides high-quality administrative and strategic support that strengthens coordination across executive portfolios, builds strong internal and external relationships, and ensures smooth day-to-day operations in a fully distributed, mission-driven organization.

This Executive Assistant role will provide dedicated support to three senior leaders: the Chief Operating Officer (COO), the VP, Strategic Communications, and the VP, Finance & Administration. Working closely with these executives, the EA plays a critical role in enabling effective leadership, supporting organizational priorities, and reducing operational friction across multiple functions. This EA role is based remotely in the UK.

Responsibilities

• Establish trusted working rhythms with the COO, VP Strategic Communications, and VP Finance & Administration, including preferences, priorities, and communication styles.
• Take full ownership of complex, multi–time zone calendars and meeting coordination.
• Streamline scheduling, travel, and administrative workflows across the three executive portfolios.
• Support logistics and preparation for leadership meetings, cross-functional forums, and external engagements.
• Build strong working relationships with other Executive Assistants and Executive Program Managers across Mozilla Foundation.
• Identify opportunities to improve executive support processes and documentation in a remote-first environment.
• Manage complex and evolving calendars across multiple time zones, prioritizing effectively and anticipating conflicts.
• Coordinate meetings end-to-end, including preparation, agendas, briefing materials, and follow-up on action items.
• Plan and manage domestic and international travel, including itineraries, visas (where applicable), and logistics.
• Handle administrative processes such as expenses, approvals, correspondence, and document management.
• Serve as a key liaison between executives and internal and external stakeholders, exercising sound judgment and discretion.
• Support logistics for executive participation in meetings, events, presentations, and convenings.
• Track commitments and ensure timely follow-through on executive action items.
• Provide backup support to other Executive Assistants during absences.
• Proactively anticipate executive needs and surface solutions before issues arise.
• Assist with preparing documents, slide decks, and briefing materials.
• Continuously look for ways to improve systems, tools, and processes that enable executive effectiveness.

Your Professional Profile

• At least 5 years of experience supporting senior leaders in complex, mission-driven or matrixed organizations.
• Proven ability to manage competing priorities with excellent judgment, discretion, and professionalism.
• Exceptional organizational skills and attention to detail.
• Strong written and verbal communication skills.
• Demonstrated experience working across time zones in remote or hybrid environments.
• High degree of integrity and comfort handling confidential information.
• Proficiency with Google Workspace, Zoom, and asynchronous collaboration tools.

We Are Excited To See Any Additional Experience With

• Supporting multiple senior executives simultaneously.
• Experience in non-profit, technology, or values-driven organizations.
• Process improvement or systems thinking within administrative or operational work, working closely with finance, operations, or communications leaders.
• Comfort operating in fast-changing environments with evolving priorities.

Salary And Benefits Information

Mozilla Foundation is dedicated to fair and equitable compensation for our staff. We aim to pay a competitive and market-based salary based on the responsibilities and requirements of the role. The starting salary range for this role in the UK is £33,242.40 to £37,341.58 annually. Some regions fall into a higher salary market and this is reflected in the example range below:

• London: £41,553.00 to £46,676.98 annually.

The range for your specific location will be discussed in screening conversations if your application is successful.

We Offer The Following Benefits

• 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.

Benefits are subject to change at any time at the discretion of Mozilla Foundation.

Mozilla Foundation Hiring Practices

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, and persons of all sexual orientations and gender identities and expressions. We are an equal opportunity employer and value diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation at accommodation@mozillafoundation.org.