Senior Executive Assistant

at MZLA/Thunderbird Locations: : Remote US

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• Remote US

MZLA Technologies Corporation (MZLA) is a wholly owned, for-profit subsidiary of the Mozilla Foundation and home to Thunderbird, our flagship open-source email and productivity platform empowering more than 20 million people around the world. While part of the Mozilla portfolio of companies, MZLA operates independently in both identity and organizational structure from the Mozilla Foundation and Mozilla Corporation. Everything we build at MZLA is open source, developed transparently and in collaboration with a global community of contributors. This open approach shapes not only our products but also how we work: collaboratively, inclusively, and with a shared commitment to building technology that puts users first. We believe privacy and productivity should coexist, and that people deserve powerful digital tools without surrendering control of their data. MZLA is a small but growing team of 50+ people distributed across seven countries. As we evolve Thunderbird from a single application into a suite of privacy-respecting productivity tools, we’re introducing new products and services that remain independent of big tech ecosystems. Our unique revenue model combines community donations that keep Thunderbird freely available with subscriptions for new cloud-based services, allowing us to grow and innovate while remaining independent and true to our values. To learn more, visit www.thunderbird.net The Opportunity: As a Senior Executive Assistant, you will provide high-level, proactive support to two Managing Directors, anticipating needs, prioritizing effectively, and extending the impact and efficiency of executive leadership across MZLA. This role sits at the center of executive operations, acting as a connective layer across priorities, people, and information to ensure complex initiatives move forward with clarity and momentum. As the sole Executive Assistant in the organization, you will play a critical role in enabling smooth, coordinated operations while representing executive leadership both internally and externally. You will partner closely with HR, Finance, Legal, the Board, and cross-functional teams across a global, remote-first environment. In addition to managing executive scheduling and logistics, you will support projects, prepare materials and briefings, coordinate governance activities, and drive follow-through on key initiatives. This role is ideal for someone who thrives in a fast-paced, dynamic organization and brings diplomacy, composure, strong judgment, and a solutions-oriented mindset. You are highly organized, an effective listener and communicator, and comfortable navigating complex or sensitive situations with professionalism and discretion. Above all, you take pride in helping leaders and organizations operate at their highest level of effectiveness. This is a full-time, remote position working with colleagues across multiple regions and time zones. What you’ll do:

• Act as a connective layer across executive priorities,...
• Manage and optimize information flow between executive leadership,...
• Balance and prioritize competing demands of two Managing Directors,...
• Support complex cross-functional initiatives through project coordination,...
• Lead end-to-end planning/coordination of Board/senior leadership meetings,...
• Work closely with Legal/HR/Finance partners to support governance/planning/onboarding,...
• Own/manage complex administrative/operational support including calendar strategy,...
• Handle highly sensitive/confidential information with discretion/professionalism,...
• Support planning/logistics for offsites/work weeks/key gatherings,...
• Build strong trust-based relationships across organization...

What you’ll bring:

• 8-10 years experience providing senior-level executive support in technology/multi-location orgs,...
• Experience supporting Board/senior leadership meetings including end-to-end coordination,...
• Demonstrated ability anticipate needs/take initiative/operate independently/sound judgment,...
• Exceptional organizational skills/attention to detail/manage competing/shifting priorities,...
• Proven ability steward highly sensitive/confidential info/discretion/professionalism/integrity,...
• Strong written/verbal communication skills including preparing/editing materials/summaries/briefings,...
• Proficiency Google Workspace collaboration tools/mindset toward improving efficiency/processes,...
• Comfort working remote/asynchronous/globally distributed environment/multiple time zones,...
• Experience supporting global teams/awareness different cultural working styles,...
• Adaptability/resilience/fast-paced environment/thoughtful solutions-oriented approach.

Bonus points for:

• Demonstrated understanding/interest working within org prioritizing user privacy/trust/responsible data stewardship,
• Multilingual skills asset supporting global org.

Work Environment: You’ll work with passionate staff/open-source community members globally supporting mission objectives MZLA Technologies Corporation. This is remote full-time position Strong communication/documentation skills essential/effective collaboration across time zones/disciplines. What you’ll get: We benchmark our base salaries to local markets target 60th percentile peer market salary ranges for this role are:

• US: $85 000 - $110 000 annually

We may consider candidates strong skills less than required experience Title level compensation determined based on qualifications experience. In addition competitive salaries offer comprehensive benefits package designed support whole self outlined below. Work & Career

• Fully remote work schedule flexibility
• Latest Laptop
• Discretionary Annual Bonus Program
• Monthly Remote Work Stipend
• Annual Professional Development Stipend
• Access Udemy Learning Platform
• Industry Conferences
• Company All Hands

Rest & Play

• 24 days PTO per year (prorated)
• Your Birthday
• Year-end Company Shutdown
• 9 Wellbeing Days
• Public Holidays
• Other Paid Leave
• Quarterly Wellbeing Stipend Personal / Family Activities

Health & Family

• 401(k) Pension Contributions
• Health Dental Vision Insurance
• Disability Insurance
• Life Insurance
• Employee Assistance Program
• Paid Parental Leave
• Paid Sick Days

Work Eligibility: Applicants must reside have permanent work authorization country location(s) specified posting We unable consider applicants outside these markets We do not provide visa sponsorship. How to Apply: Please apply directly through career page We carefully review every cover letter screening question take time answer each fully We value authenticity We want hear your perspective not bot’s It’s fine use AI polish writing not write answers Candidates submit unoriginal AI generated answers disqualified further screening. MZLA Technologies Corporation (MZLA) Commitment to diversity equity inclusion: mzla believes value diverse creative practices forms knowledge knows diversity equity inclusion crucial enrich company’s core mission Encourage applications everyone including members all equity-seeking communities such as (but not limited to) women racialized Indigenous persons persons disabilities persons all sexual orientations gender identities expressions. mzla equal opportunity employer We do not discriminate basis race religion gender gender identity color national origin pregnancy ancestry disability sexual orientation age genetic predisposition medical condition marital status citizenship military veteran status any other basis covered applicable laws Mozilla will not tolerate discrimination harassment based any these characteristics any other unlawful behavior conduct purpose. mzla ensure qualified individuals disabilities provided reasonable accommodations participate job application interview process perform essential job functions receive other benefits privileges employment appropriate Please contact us at hiringaccomodations@thunderbird.net request accommodation. hashtag LI-DNI