Executive Assistant Job at Mozilla

Executive Assistant

Mozilla

Location:
United Kingdom

Category:
Office Administration

Contract Type:
Not provided

Salary:

33242.40 - 37341.58 GBP / Year

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Job Description:

The 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.

Job Responsibility:

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

Requirements:

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

Nice to have:

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

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

Additional Information:

Job Posted:
February 01, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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