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Yousign is looking for a Senior Security Engineer to join our Security & Compliance team. 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. 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.
Job Responsibility:
Own and drive compliance initiatives end-to-end across eIDAS, NIS2, ETSI standards, and ISO 27001
Conduct and coordinate internal audits, gap analysis, and remediation plans
Prepare and support external certification audits and qualification requests (LSTI, ANSSI, or equivalent bodies)
Build and maintain compliance documentation frameworks that scale with the business
Monitor regulatory developments and proactively assess their impact on Yousign
Contribute to the security of the Yousign product: participate in security reviews, threat modeling, and vulnerability assessments on product features
Participate in threat assessments, security reviews, and incident response when needed
Collaborate with Engineering and Product teams to embed security best practices into development and operations
Support the detection and investigation of fraudulent use patterns on the Yousign platform
Contribute to defining and improving fraud prevention mechanisms in collaboration with Product and Engineering
Participate in the weekly on-call rotation to handle unplanned compliance and security topics
Mentor teammates and contribute to raising the bar on compliance practices across the team
Identify and implement automation opportunities to reduce manual toil and increase team velocity
Requirements:
At least 3 years of experience in a compliance role
Worked in at least one scale-up or fast-growing company, where you navigated ambiguity, high parallelization, and frequent context switches
Hands-on experience with technically complex compliance topics
Contributed to product security initiatives: vulnerability management, penetration test coordination, threat modeling, or security reviews with engineering teams
Familiarity with eIDAS regulations, ETSI technical standards, or regulated trust services is a strong plus
Experience interacting with regulatory bodies (ANSSI, LSTI, or equivalent) is a bonus
Nice to have:
Familiarity with eIDAS regulations, ETSI technical standards, or regulated trust services
Experience interacting with regulatory bodies (ANSSI, LSTI, or equivalent)
What we offer:
Meal vouchers (Swile): €10.50/day, 50% covered by Yousign
Health insurance (Alan): Basic plan at €62.50/month, 50% covered by Yousign
Life & disability insurance: 100% employer-covered
Wellbeing: Axomove (4 physio sessions) and Moka.care (4 therapy/coaching sessions)
Transportation: 50% reimbursement for public transport for hybrid workers