{"id":26592,"url":"https://alion.io/job/datadome-senior-security-engineer","title":"Senior Security Engineer","company":{"id":4521169,"name":"Dome Group","domain":"dome-group.com","url":"https://alion.io/company/dome-group","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":93,"open_postings":10,"ghost_share":0,"stale_share":0.1,"repost_share":0,"time_to_fill_p50_days":106,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["France"],"countries":["FR"],"hiring_countries":["FR"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":119000,"period":"year","method":"role_seniority_country_cell","sample_n":9},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ISO 27001","optional":false},{"name":"SOC 2","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-06-22T16:47:45Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-11-07T11:03:35Z","board_verified":true,"closed_at":null,"days_open":137,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":137},"description":"⭐ About the role :\nAt DataDome, security is a core part of how we build and scale. Our security team already covers GRC, SecOps, and security leadership, and we are now looking for a senior individual contributor to strengthen the engineering-facing side of the function.\nAs DataDome evolves from a single product into a broader platform, our security scope is expanding across product, infrastructure, internal systems, and AI-enabled workflows. At the same time, our regulatory and assurance requirements are becoming more demanding, including ISO 27001 and SOC 2.\nWe are looking for a Senior Security Engineer with a strong technical background, able to work closely with engineering teams and bring practical security expertise to product security, cloud security, application security, secure software supply chain, security tooling, and AI security topics.\nThis role reports directly to the Head of Security. It is a pure individual contributor position with no management responsibilities. Impact comes from technical depth, hands-on execution, and cross-functional influence.\nYou will be more specifically in charge of things like...\nProduct, cloud, and application security\nContribute to architecture, design, and implementation reviews for new features, services, platform changes, and cloud initiatives.\nSupport pragmatic threat modeling and secure-by-design practices across APIs, services, data flows, workloads, and platform components.\nAdvise engineering teams on application security, cloud and infrastructure security, and secure software supply chain topics.\nHelp teams make sound security trade-offs and support remediation on complex or high-priority topics.\nAI security and enablement\nContribute to the security of AI-related product capabilities, including model, pipeline, data flow, and integration considerations.\nAssess technical security risks related to internal AI usage, including data exposure, acceptable use, and vendor-related concerns, in partnership with the GRC function where relevant.\nIdentify practical opportunities to leverage AI in security workflows, including threat analysis, remediation support, security reviews, and compliance-related automation.\nTechnical risk and security enablement\nBring strong technical depth to security and risk discussions by helping identify realistic attack paths, assess practical impact and likelihood, and translate findings into pragmatic remediation priorities.\nPartner with the GRC function to ensure risk assessments are supported by strong technical input and connected to concrete engineering actions.\nExplain risks, trade-offs, and recommendations in a way that drives action across engineering and cross-functional teams.\nMake secure practices easier to adopt through clear guidance, repeatable patterns, automation, and pragmatic support.\nSecurity tooling improvement\nContribute to improving and evolving our security tooling, in close collaboration with SecOps, with a focus on making security signals, posture insights, and remediation workflows more useful for Security and Engineering teams.\nDevelop use cases, dashboards, workflows, and integrations that help teams better understand, prioritize, and remediate security issues.\nIt would be great if...\nYou bring a strong technical security foundation (+7 years) across application security, cloud and infrastructure security, and secure software supply chain.\nYou have worked in a SaaS or internet-scale product environment where security had to move at engineering speed.\nYou are comfortable working close to engineering teams: reviewing designs, challenging assumptions, supporting remediation, and turning security needs into practical improvements.\nYou enjoy going deep into security tools and using them to improve visibility, prioritization, remediation, and engineering workflows.\nYou bring hands-on security expertise to identify meaningful risks, evaluate practical impact, and guide pragmatic remediation priorities.\nYou are comfortable stepping in on urgent or high-impact security topics when needed, including incidents, emerging threats, complex remediations, and fast-moving cross-functional issues.\nYou thrive in a small team setup - where you own a broad scope, move fast without heavy process, and adapt when priorities shift.\nFrench and English proficiency (working language is English, remote-friendly with occasional presence in Paris).\nBonus Points\nExperience with SOC 2 Type II and third-party risk management in a SaaS environment.\nExperience with Vanta or similar GRC automation platforms.\nFamiliarity with AI governance topics or security implications of AI tooling.\nWhat’s in it for you?\nFlex Life: While we offer remote, hybrid, & in-office options each position specifies the level of flexibility. Our Parisian office is located next to the Opera Garnier. You will also receive a 500€ stipend to help you set up your ideal workspace if you work hybrid or remotely.If you are full remote, the SNCF dicount card is paid for you to come to our office to visit us & your team!\n\nGenerous Health Benefits: We have partnered with Kenko for your healthcare needs.\nA 100€ annual allowance is provided for a leisure activity of your choice in Sports or Culture.\nAnnual allowance of €200 if you come to the office by bike to cover maintenance costs.\nProfessional Development: #Weaimhigh is part of our DNA, therefore we have invested in an internal Learning and Development platform and offer the opportunity to request additional training and support via your manager.\nEvents & Team building: #We care and we have fun! We organise ****Annual Company-Offsite, Events, Drinks, Winter Party, Lunch & Learns and much more are part of our Culture\nParent Care: Gift & care packages for parents.\n PTO: Based on the country you are based from (e.g. 25 days in France).\nWhat are the next steps?\nYou x Talent Acquisition Manager : first interview and cultural fit\nYou x Engineering Manager Damien : technical and cultural fit + Take-home technical challenge\nYou x Team: Presentation and review of your \"technical proposal\" with the team\nYou x Member of the leadership team - Discussion about DataDome vision and \"raison d'être\"!\nNow you really met everyone! Welcome to DataDome :)\nDataDome stops cyberfraud and bots in real time, outpacing AI-driven fraud from simple to sophisticated across your sites, apps, and APIs. Named a Leader in the Forrester Wave for Bot Management, the DataDome platform is built on a multi-layered AI engine that focuses on intent, not just identity. Because it’s not about knowing who’s real, it’s about what they intend to do. With thousands of AI models that adapt to every fraudulent click, signup, and login, DataDome blocks fraud in less than 2 milliseconds, without compromising performance. DataDome is fully automated and integrates seamlessly into any tech stack. Backed by a 24/7 SOC team of advanced threat researchers, DataDome stops over 350 billion attacks annually. Experience protection that outperforms with DataDome.\nDataDome is an equal opportunity employer, and proud to be committed to diversity and inclusion. 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