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Sr. Executive Assistant

Mozilla

Remote US · 5+ years experience · Remote · Posted Oct 19, 2026

At a glance

Experience
5+ years experience
Workplace
Remote
Location
Remote US

About Mozilla

  • Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.
  • Commitment to diversity, equity, inclusion, and belonging
  • 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, persons of all sexual orientations, gender identities, and expressions.
  • We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.
  • We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.
  • Group: D

About the role

  • This is a high-trust Executive Assistant role supporting three VPs within Mozilla's Core Services Leadership Team: VP, Engineering; VP, Information Technology; and VP, Security.
  • You'll be the operational backbone for three fast-moving senior leaders, keeping their time and priorities running smoothly while navigating a complex, cross-functional environment with discretion and sound judgment.

Responsibilities

  • Act as a key point of contact between executives, their teams, and internal/external partners, ensuring timely communication and follow-up.
  • Handle sensitive information with the highest degree of discretion.
  • Manage a wide range of administrative tasks including calendar management, domestic and international travel coordination, expense reports, etc.
  • Support execs across US time zones.
  • Coordinate internal and external meetings.
  • Plan logistics and events for team and exec offsites and work weeks.
  • Build relationships within the organization, establish and maintain trusted working partnerships through regular communication, a clear understanding of stakeholder needs, and consistent follow-through.

Requirements

  • 5+ years of administrative experience in a technology company and multi location environment working on administrative tasks for 1 or more executives
  • Experience in coordinating with sensitive, high stakes external teams
  • Attention to detail, manage ambiguity, and foster a team culture
  • Strong written and verbal communication skills
  • Great at taking initiative and solving problems
  • Experience with Google Suite
  • Commitment to company values including welcoming differences, being relationship-minded, practicing responsible participation, and having grit

Benefits

  • Generous performance-based bonus plans to all eligible employees
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting
  • Quarterly all-company wellness days
  • Country specific holidays plus a day off for your birthday
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program

Workplace

  • Remote US location

Skills

  • Google Suite

Mozilla

Sr. Executive Assistant

Apply now