Security Engineer
About this role
<h4><strong>About Yousign</strong></h4><p>Yousign (soon to be Youtrust) is a European Digital Trust provider, fully compliant with eIDAS and the highest European standards. Our three modules – electronic signatures, identity and document verification, and e-seals – can be used independently or combined within sector-specific workflows, ensuring simple, secure and legally compliant processes for SMEs and mid-sized companies.<br>Hosted and processed entirely in Europe, we guarantee sovereignty, transparency and reliability. As a certified B-Corp, we combine innovation with responsibility – building trust at the heart of every digital exchange.<br>We are entering a key moment as we expand from eSignature to the full Digital Trust chain.</p><h4><strong>Position Overview</strong></h4><p>Yousign is building the future of trust and electronic signatures in Europe.</p><p>As we scale, the regulatory and security landscape is evolving rapidly: eIDAS v2, NIS2, post-quantum cryptography, and increasingly complex technical standards are reshaping the industry.</p><p>To meet these challenges, we are looking for a Senior Security Engineer to join our Security & Compliance team.</p><p>This role requires genuine seniority: you will be expected to operate with a high degree of autonomy, make sound judgment calls under ambiguity, and lead initiatives end-to-end without waiting to be directed.</p><p>You will be a senior voice in the team: mentoring peers, challenging assumptions, and bringing the experience needed to navigate complex trade-offs between compliance, security, and business velocity, while remaining hands-on and deeply embedded in the work.</p><p><strong>About the job</strong></p><p>Yousign is a European leader in electronic signature solutions, trusted by thousands of businesses to secure and streamline their document signing processes.</p><p>We operate in a highly regulated environment where compliance isn't optional: it's a competitive differentiator and a foundation of customer trust.</p><p>Our Security & Compliance team sits at the intersection of regulation, engineering, and operations.</p><p>We don't just interpret standards: we implement them, audit them, and build the infrastructure that makes Yousign a trusted qualified trust service provider.</p><p>This role is for someone who thrives in a fast-moving scale-up environment: comfortable with ambiguity, obsessed with pragmatic solutions, and energized by the challenge of scaling compliance operations without sacrificing agility.</p><p>You'll work with a team that uses n8n, AI tooling, and smart alerting to stay ahead, and you'll be expected to contribute to that culture of continuous improvement.</p><p>The position is open to remote working but requires living in the Paris region.</p><p><strong>Your Team</strong></p><p>You will join the Security & Compliance team: a team of 4 individual contributors with deep expertise across PKI infrastructure, technical security, and compliance operations.</p><p>The team covers three critical domains:</p><ul><li><p>Compliance: eIDAS, NIS2, ETSI, ISO 27001</p></li><li><p>Security: product security and all aspects of Yousign's security posture</p></li><li><p>Fraud: detection and prevention of fraudulent use of the Yousign platform</p></li></ul><p>The team also owns and maintains the Trusted Zone environments, including PKI, HSM, and NTP infrastructure: a critical layer for Yousign's qualified trust services.</p><p>How we work:</p><ul><li><p>A weekly rotating "on-call" (doctor) role to triage incoming issues, unplanned requests, and urgent compliance matters</p></li><li><p>A quarterly roadmap with structured planning, prioritization, and stakeholder alignment ahead of each quarter</p></li><li><p>Automation at the core: n8n workflows, AI-powered tooling, and proactive alerting are part of our daily toolkit</p></li></ul><hr><p><strong>Your Missions</strong></p><p>Compliance</p><ul><li><p>Own and drive compliance initiatives end-to-end across eIDAS, NIS2, ETSI standards, and ISO 27001</p></li><li><p>Conduct and coordinate internal audits, gap analysis, and remediation plans</p></li><li><p>Prepare and support external certification audits and qualification requests (LSTI, ANSSI, or equivalent bodies)</p></li><li><p>Build and maintain compliance documentation framewor