Top Tech Jobs & Startup Jobs in Seattle, WA

Serves as the CEO’s strategic partner, translating priorities into organizational alignment and decision-ready actions. The Chief of Staff filters issues for CEO attention, supports executive leadership coordination, prepares the CEO for Board and external engagements, represents delegated authority, and aligns Investment Committee work with Foundation strategy. The role influences without formal authority, drives cross-functional priorities, manages high-stakes information, and supports governance, fundraising, and major organizational decisions.

Develop and manage direct client and agency relationships across the UK and Europe, sell Mozilla’s digital advertising products, exceed revenue and logo targets, build sales pipelines, analyze campaign performance, maintain CRM records, and communicate customer feedback to product and marketing teams. The role requires strong digital media sales experience, major agency and brand relationships, knowledge of online media planning and performance advertising, and excellent communication and organizational skills.

Own the Firefox Enterprise product strategy, roadmap, requirements, metrics, and delivery for hosted and on-premise offerings. Partner with engineering, design, security, infrastructure, legal, sales, finance, support, and enterprise customers to prioritize needs, launch products, support compliance, and enable go-to-market readiness. The role also contributes to cross-workstream planning, new enterprise capabilities, market expansion, and product team mentorship.

Build and manage Firefox Enterprise partnerships across France’s technology, cloud, public-sector, open-source, and systems-integration ecosystems. Responsibilities include identifying partners, developing joint plans and offerings, negotiating commercial agreements, generating partner-led revenue, coordinating co-selling and marketing, and reporting results. The role requires strong French and English communication, B2B technology partnership experience, commercial negotiation skills, technical understanding of enterprise software, and willingness to travel across France.

Leads Thunderbird’s finance function, overseeing accounting, FP&A, tax, treasury, reporting, revenue recognition, controls, budgeting, forecasting, and finance operations. Manages the finance team, strengthens systems and workflows, supports international and partner-led commercial arrangements, and advises organizational leaders on financial risks, tradeoffs, and decisions. The role is fully remote and requires substantial North American working-hour overlap, with periodic domestic or international travel.

Leads Thunderbird’s accounting and finance function, including financial reporting, FP&A, budgeting, forecasting, tax, treasury, revenue recognition, controls, and finance operations. Manages the finance team, strengthens systems and workflows, oversees international and partner-led financial arrangements, and advises senior leaders on risks, performance, and strategic decisions. The role is fully remote with required time-zone overlap and periodic domestic or international travel.

Leads Mozilla’s European policy communications strategy, translating complex issues involving privacy, AI, competition, open source, and internet regulation into compelling public narratives. Builds relationships with journalists, policymakers, advocates, and influencers; develops press materials, policy statements, speeches, and executive briefings; prepares spokespeople for high-stakes engagements; advises senior leaders; and manages proactive, reactive, and crisis communications across regions.

Maintain and mature Mozilla's ISMS and support ISO 27001 and SOC 2 Type 2 audit programs. Author system descriptions and policies, manage risk treatment plans, track remediation, support internal audits, and partner with Engineering, Legal, Privacy, and Product to drive control ownership and audit readiness.

Maintain and mature Mozilla's ISMS, support ISO 27001 and SOC 2 Type 2 audits, author compliance narratives, track remediation, lead policy program, scale compliance for products, and partner with cross-functional teams to drive control ownership and audit readiness.

Design and implement experiments deep within browser engine subsystems, including DOM, layout, rendering, accessibility, JavaScript runtimes, and networking. Investigate browser behavior, prototype capabilities for programmatic web interaction, measure performance and correctness, profile overhead, and document results. The role requires hands-on systems engineering, browser platform expertise, large-codebase development, and collaboration on AI-agent tooling.