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Mozilla
Mozilla makes browsers, apps, code and tools that put people before profit501-1000 EmployeesActively Hiring
- 4.3Highly ratedMozilla is highly rated on Glassdoor, with 4.3 out of 5 stars
- 4.5Work / Life BalanceEmployees rate Mozilla 4.5/5 on Glassdoor for work / life balance
Jobs at Mozilla
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Engineering
Senior Engineering Manager, Enterprise AI Product
NewPosted 4 days ago
Senior Engineering Manager, Enterprise AI Product
- Lead engineering execution by clarifying priorities, ownership, timelines, risks, dependencies, and quality expectations.
- Manage engineers and contractors, including coaching, feedback, prioritization, performance support, and team development.
Remote only • United States
$215k – $240kSales
Senior Lead, Enterprise Partnerships & Strategy
NewPosted 4 days ago
Senior Lead, Enterprise Partnerships & Strategy
- Help define and execute an enterprise strategy across MZLA’s products and services.
- Translate digital sovereignty priorities into clear enterprise and partnership requirements.
Remote only • United States
$175k – $220kMarketing
Lifecycle Marketing Operations Manager, Firefox Mobile
NewPosted 6 days ago
Lifecycle Marketing Operations Manager, Firefox Mobile
- Coordinate and execute ASO initiatives, including metadata updates, creative experiments and app store events, in collaboration with Product Marketing and our external agency.
- Translate approved lifecycle campaign briefs into executable plans and support hands-on campaign execution across key moments in the user journey.
Remote only • Canada
$70k – $93kEngineering
Staff Security Engineer
NewPosted 1 week ago
Staff Security Engineer
- Maintain and mature the ISMS, including the Statement of Applicability (SoA), risk treatment plans, and the Management Review Meeting (MRM) process and cadence.
- Support ISO 27001 and SOC 2 Type 2 audit execution—helping determine scope, preparing evidence and narrative artifacts, participating in auditor interviews and walkthroughs, and resolving auditor findings.
Remote only • Canada
$116k – $171kEngineering
Senior Application Engineer, Workplace Technology
NewPosted 2 weeks ago
Senior Application Engineer, Workplace Technology
- Design, build, and maintain scripts, APIs, and workflow automations that power key workplace systems — collaboration tools (Google Workspace, Slack, Zoom, Atlassian) and identity platforms (Okta).
- Develop lightweight services or integrations that connect collaboration, GenAI-tools (OpenAI, Claude, Gemini) and internal systems, enabling agentic flows (e.g., virtual assistants, workflow agents) that reduce manual work and improve user experience.
Remote only • Remote
Engineering
Senior Mobile Engineer, iOS
NewPosted 2 weeks ago
Senior Mobile Engineer, iOS
- Build and refine Thunderbird’s mobile products and platform architecture.
- Improve scalability, performance, reliability, and user experience.
Remote only • Remote
$108k – $144kEngineering
Senior Mobile Engineer, iOS
NewPosted 2 weeks ago
Senior Mobile Engineer, iOS
- Build and refine Thunderbird’s mobile products and platform architecture.
- Improve scalability, performance, reliability, and user experience.
Remote only • Canada
$108k – $125kEngineering
Engineering Manager, Ads
NewPosted 1 month ago
Engineering Manager, Ads
- Mentor, support, and develop a team of software engineers, helping them grow in impact and craft
- Lead your team through the delivery of Firefox Suggest Ads initiatives, including backend services, partner integrations, experimentation, measurement, reliability improvements, and product-facing integrations where requirements may evolve as privacy, policy, user experience, and business constraints become clearer
Remote only • Remote
Engineering
Senior Software Engineer
NewPosted 3 weeks ago
Senior Software Engineer
- Lead backend development, building and maintaining server-side logic
- Take real ownership of the services you work on: deploy them, operate them, and keep them healthy in production rather than handing them off
Remote only • Remote
Engineering
Senior Security Engineer, Bug Bounty
NewPosted 1 month ago
Senior Security Engineer, Bug Bounty
- Own and scale Mozilla’s web bug bounty program, including strategy, prioritization, KPIs, and continuous improvement
- Act as the primary interface with external researchers and platforms (e.g., HackerOne), fostering a high-quality and trusted research community
Remote only • Remote
Sales
Senior Business Development Manager, New Products
NewPosted 1 month ago
Senior Business Development Manager, New Products
- Build deep relationships with early customers to understand their automation workflows, technical constraints, security requirements, and buying process
- Identify, engage, and develop pipeline with early design partners across AI, developer tools, enterprise automation, QA, and browser-native application teams
Remote only • Canada
$129k – $189kEngineering
Senior Software Engineer, Firefox Desktop
NewPosted 1 month ago
Senior Software Engineer, Firefox Desktop
- Contribute to the development and improvement of Firefox features related to installs, updates, and OS integrations.
- Help implement enhancements to the Firefox installation and update experience, using data insights to guide development.
Remote only • Canada
$94k – $151kEngineering
Senior Software Engineer, Cloud Engineering
NewPosted 1 month ago
Senior Software Engineer, Cloud Engineering
- Support infrastructure that development teams use to own and operate their services at Mozilla.
- Guide technical decision-making and adoption of user-centric solutions.
Remote only • Canada
$104k – $139kProduct
Director of Product, Gaming (New Products)
NewPosted 1 month ago
Director of Product, Gaming (New Products)
- Develop a deep understanding of the PC gaming market - including ecosystems, distribution models, audience segmentation, and monetization patterns
- Lead the vision and strategy for a new product area, ensuring development of a high quality product with strong alignment to Mozilla’s strengths and customer value.
Remote only • Remote
$205k – $351kEngineering
Senior Software Engineer, Cryptography (Firefox Security)
NewPosted 2 months ago
Senior Software Engineer, Cryptography (Firefox Security)
- Advance Firefox's security architecture and cryptography stack: Contribute to improvements in Firefox's core security systems, with a focus on cryptographic protocols, WebPKI, and security-sensitive web APIs. Help implement and maintain security features that support the evolution of public key infrastructure on the web.
Remote only • Canada
$95k – $139kEngineering
Senior Machine Learning Engineer, Applied AI Modeling
NewPosted 2 months ago
Senior Machine Learning Engineer, Applied AI Modeling
- Develop and fine-tune large language models (LLMs) for intelligent, safe, and responsive browser interactions.
- Apply retrieval-augmented generation (RAG), summarization, classification, and intent modeling techniques in real-world browser workflows.
Remote only • United States
$139k – $218kEngineering
Staff Data Scientist, Firefox
NewPosted 3 months ago
Staff Data Scientist, Firefox
- Own the analytical strategy for a product area: identifying the highest-leverage questions, defining the measurement framework, and ensuring data-driven decisions
- Serve as a strategic partner to product and engineering leadership, translating ambiguous business problems into analytical approaches and clear, actionable recommendations
Remote only • United States
$138k – $218k