Staff Solutions Engineer (France), Firefox Enterprise

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Why Mozilla?

Mozilla Corporation is a non-profit-backed technology company that has helped shape the internet for the better over the past 25 years. We’re the makers of Firefox, the privacy-focused web browser used by more than 225 million people around the world each month. As we look to the future, we’re working to shape the next 25 years of the internet—one that’s built for people, not just for profit.

Mozilla Corporation is wholly owned by the 501(c) non-profit Mozilla Foundation, meaning we’re accountable not to shareholders, but to our mission. Alongside thousands of contributors and collaborators around the world, Mozillians design, build, and maintain open-source software that empowers people to use the internet on their own terms.

About this team and role:

We’re now seeking a Staff Solutions Engineer (France) to support the growth of Firefox Enterprise across France. This is a highly customer-facing technical role focused on helping enterprises evaluate, validate, and deploy Firefox Enterprise in secure, complex, and regulated environments.

The ideal candidate brings deep technical credibility, strong enterprise architecture experience, and a passion for helping customers solve real-world security, deployment, and interoperability challenges.

• Partner with Sales to support strategic enterprise opportunities.
• Lead technical discovery and solution design with customers and partners.
• Run workshops with customer stakeholders across security, infrastructure, IAM, endpoint management, and workplace technology.
• Own the relationship to the customer’s technical counterparts during and after the sales process. 
• Help customers evaluate Firefox Enterprise in areas such as deployment, policy management, identity integration, logging, security controls, and operational fit.
• Design and support pilots, proofs of concept, and rollout plans.
• Advise customers on deployment models, architecture decisions, and integration approaches for enterprise environments.
• Validate interoperability across systems such as SSO, MFA, SIEM, proxy/network controls, endpoint tooling, certificates/PKI, and browser policy frameworks.
• Identify and help resolve technical risks early, including application compatibility, certificate handling, deployment complexity, and policy enforcement requirements.
• Create reusable technical assets such as reference architectures, deployment guidance, validation plans, and technical enablement materials.
• Support and enable partners involved in deployment, integration, and customer success.
• Champion Mozilla’s values of openness, trust, and user agency in every customer interaction.

• Significant experience (7+ years) in a Staff Solutions Engineer, Sales Engineer, Solutions Architect, Security Architect, or Technical Account Manager role.
• Ideally deep knowledge of the French IT landscape, particularly within the public sector, financial services, or OIVs (Critical Infrastructure) operators .
• Strong background in enterprise security, endpoint management, browser security, Zero Trust, IAM, or digital workplace infrastructure.
• Hands-on knowledge of:
• Windows enterprise deployment
• GPO / MDM / policy management
• certificates / PKI / TLS / proxies
• SSO / MFA / IdP integrations
• SIEM / DLP / CASB ecosystems
• Kubernetes / Helm for customer-operated environments
• Experience supporting pilots, technical evaluations, or enterprise deployments in complex customer environments.
• Ability to translate complex regulatory requirements into technical configurations and sales evidence.
• Ability to communicate clearly with both technical teams and senior stakeholders.
• Comfort working across ambiguity and helping customers move from evaluation to deployment with confidence.