Senior Security Engineer

About TeadsTeads is a pioneering omnichannel advertising platform dedicated to optimizing outcomes for brand and performance advertisers across various screens. By harnessing the power of predictive AI technology, Teads connects quality media, stunning brand creatives, and context-driven addressability and measurement, ensuring meaningful business results. With direct partnerships with over 10,000 publishers and 20,000 advertisers globally, Teads is headquartered in New York City and boasts a diverse team of approximately 1,700 professionals across 30+ countries.For further details, please visit www.teads.com.Join us as a Senior Security Engineer to enhance security across our product and platform teams while also addressing internal corporate security needs. You will create significant impact through empowerment, automation, and effective risk management.

Role overview The Senior Corporate Security Engineer at Nexthink plays a central role in protecting digital assets and ensuring the integrity of the corporate environment. The position involves hands-on security work and regular collaboration with teams throughout the company. Key responsibilities Partner with colleagues across departments to implement effective security measures. Conduct risk assessments to identify potential vulnerabilities and recommend solutions. Respond to security incidents and help coordinate the steps needed for resolution. Create and maintain security protocols and frameworks that align with industry standards. Location This position is based in Paris.

Role overview airapps is hiring a Security Engineer based in Paris. This position centers on safeguarding the company’s digital assets and ensuring the integrity of its systems. The Security Engineer will play a key part in identifying risks, establishing protective measures, and shaping strategies to reduce security threats. What you will do Identify and evaluate security vulnerabilities throughout airapps systems Put technical safeguards in place to protect digital assets Create and improve strategies to prevent and address security threats

Shift Technology stands at the forefront of AI innovation in the insurance sector. We harness the power of generative, agentic, and predictive AI to revolutionize underwriting, claims management, and fraud detection, enhancing operational efficiency and providing outstanding customer experiences. Our solutions have been trusted by leading insurers across the globe, delivering impactful results at scale.Our culture is grounded in innovation, trust, and a strong commitment to transforming the insurance landscape through our advanced SaaS platform. With a diverse team hailing from over 50 countries, we are collectively shaping the future of insurance.The security team plays an essential role at Shift Technology, safeguarding information across our security infrastructure, edge devices, networks, and data. We continuously adapt to the evolving tactics of cyber threats, focusing on preventing data breaches through proactive monitoring and response. The first step in this journey is to recruit the most skilled professionals to lead our security initiatives.Your Role...As a Senior Security Architect, reporting directly to the CISO, you will be a pivotal member of our Information Security team, overseeing the comprehensive security architecture of our Azure-based SaaS platform. Your responsibilities will include the creation, adoption, and governance of security architecture best practices across the organization. As a subject matter expert in cloud infrastructure and application security, you will collaborate with engineering teams to integrate security into every phase of the software development lifecycle (SDLC). You will design secure, scalable, and resilient solutions for our single- and multi-tenant offerings, ensuring the protection of both our platform and our customers' data.

Are you passionate about security and DevOps? Join our team as a Senior Security Consultant specializing in DevSecOps at CyberArk! In this role, you will help organizations integrate security practices into their DevOps processes, ensuring their applications and data are safeguarded. You will work closely with our clients to design, implement, and optimize security solutions that seamlessly fit into their development workflows.Key Responsibilities:Assess client environments to identify security risks and provide tailored solutions.Collaborate with development and operations teams to embed security into the CI/CD pipeline.Conduct security training and workshops for client teams.Stay updated on the latest security trends and technologies to provide cutting-edge solutions.

About UsCryptoNext Security is a pioneering deeptech startup focused on post-quantum cryptography. We empower institutions and enterprises to navigate a future where quantum computing poses a threat to existing cryptographic standards. Our collaborations span major sectors including finance, defense, and telecommunications, as we deliver state-of-the-art, quantum-safe security solutions.Your RoleIn your capacity as a Full Stack Developer, you will play a key role in advancing DISCOVERY, our innovative observability and orchestration platform tailored for post-quantum cryptography operations.You will engage with the entire technology stack — developing backend services, managing data flows, and crafting frontend interfaces — while working closely with product, backend, and infrastructure teams.Responsibilities Design, develop, and maintain comprehensive full-stack features for the DISCOVERY platform. Create modern, responsive React front-ends that integrate seamlessly with Node.js and Kafka backends. Participate in architectural discussions and propose technical enhancements in line with our long-term product vision. Backend Development & APIs Design and implement efficient REST and event-driven APIs. Ensure optimal performance, scalability, and resilience across distributed components. Collaborate with backend engineers on domain modeling, API contracts, and data flows. Data Visualization & Observability Implement advanced data visualization and monitoring features using the ELK stack (Elasticsearch, Logstash, Kibana). Integrate backend logs, metrics, and analytics into user-friendly frontend dashboards. Engineering Standards Engage in code reviews and maintain high standards of engineering excellence. Contribute to technical documentation and advocate for software craftsmanship. Adhere to the KISS, DRY, SOLID principles, and embrace pragmatic engineering methodologies (“done is better than perfect”). DevOps & CI/CD Assist in deployment workflows, CI/CD pipelines, and automation initiatives. Work within Docker/Kubernetes environments to ensure smooth delivery of applications.

Join us and thrive Network Security Engineer H/F CAPFI is a human-sized IT services company guided by genuine technological expertise and a strong culture of innovation. We offer a stimulating work environment, characterized by a variety of assignments and a human-centric approach. Trust, listening, and support are the core values of our Group, benefiting all employees. Our mission? To allow you to experience a collaborative journey that reflects your aspirations, enabling you to choose your professional trajectory, learning pace, and create the conditions necessary for your fulfillment. We believe that the diversity of profiles enriches our expertise; thus, we handle all applications equally, focusing solely on candidates' skills, irrespective of their origin, age, gender identity, disability, or religion. You are the right candidate if: You hold a Master’s degree and have at least 3 years of experience You specialize in IT Security technologies You recognize that IT Security is crucial today You are meticulous, passionate, curious, and persistent You possess a strong proficiency in English Your missions: As a Network Security Engineer, you will join a team of IT Security specialists at our clients' sites, working on topics such as: Internet access management Implementation of remote access solutions (VPN...) Securing perimeter access (Firewall, Proxy, Reverse Proxy, Load balancing, IDS/IPS, DLP, NAC, WAF...) Securing end-user devices (AV, EDR, HIDS, Micro-segmentation...) Mastery and understanding of cryptographic systems Technological watch Implementation of secure architectures Establishing security monitoring Patch management Validation of new solutions through POC Infrastructure migration

About UsAt CryptoNext Security, we are at the forefront of cybersecurity innovation, specializing in post-quantum cryptography solutions. Our mission is to safeguard the critical data of some of the world's largest enterprises and governments against the rising threats posed by quantum computing. As recognized leaders in our field, we collaborate with banks, security institutions, and government entities to deploy our state-of-the-art solutions through advanced technology projects. If you aspire to be part of a pioneering team and contribute to making the world a safer place, CryptoNext is the ideal environment to elevate your skills.Being a rapidly growing organization, we are constantly seeking visionary individuals who offer fresh perspectives, extensive technical expertise, and a genuine passion for cybersecurity. CryptoNext provides a vibrant workplace where talent converges with opportunity, and we are building a diverse pipeline of skilled and motivated professionals who may not find their ideal role advertised today but are eager to make a significant impact on our journey.Areas of Interest:We welcome speculative applications from talented individuals in the following fields: Cryptography & Research: In-depth knowledge of post-quantum cryptography, cryptographic protocols, algorithm design, and side-channel analysis. Software & Embedded Development: Proficiency in low-level software development, secure boot, protocols, hardware security modules (HSMs), and tools such as mbedTLS and cross-compilers. We are also seeking experienced developers well-versed in software architecture. Project Management & Service Delivery: Proven experience in managing technical deployments within complex client environments, preferably with a focus on security and cryptography. Product & Innovation: A passion for developing products that address real-world challenges, coupled with an aptitude for product strategy and user experience. Sales & Marketing for Cybersecurity: An ability to effectively translate technical innovations into client value and a commitment to fostering relationships in high-tech sectors.

About UsAt Resilience, we are revolutionizing patient care in oncology, gastroenterology, and psychiatry by enhancing access to treatment and support throughout the patient journey. Our health applications are designed not only to improve patient lives but also to develop techniques and processes that minimize patient risks. Joining Resilience means contributing to a tangible mission within a scale-up environment where autonomy and impact are integral to our culture. Your RoleIn Brief:You will take ownership of our security compliance program (ISO 27001) within the QARA (Quality, Assurance & Regulatory Affairs) team.Your mission is to lead our Information Security Management System (ISMS) and ensure alignment with the existing quality management system (QMS). This role focuses on GRC/security compliance with a health sensitivity: you will interpret regulatory requirements related to security, collaborate closely with your colleagues and the Security Manager, while remaining deeply rooted in your expertise.Your Impact:You will drive Resilience's growth in regulated markets (healthcare, sensitive data) by ensuring our security posture and maintaining credibility with clients, partners, and authorities.Your Daily Responsibilities:Lead and automate the ISO 27001 ISMS: Full ownership of the ISO 27001 program integrated into the QMS — controls, risk register, policies, internal audits, corrective actions. Build and enhance automation workflows (Notion, AI agents, reporting) to remain audit-ready at all times.Interface between ISMS and medical device cybersecurity: Ensure coherence between ISMS and QMS, support cybersecurity requirements for medical devices (IEC 81001-5-1, IEC 62443, SBOM, MDR Annex I §17) in collaboration with the QARA team, contribute to technical files and audits on security aspects, assist with the security gap assessment for DiGA (BSI TR-03161), and maintain FDA cybersecurity monitoring.Prepare for new regulatory frameworks: Anticipate and translate NIS2, HIPAA, SOC2 requirements into pragmatic controls and concrete deliverables. Your TeamWe do not work in silos here. You will join an agile structure where compliance is truly a team sport:Your Manager: You will report to the Head of QARA, working collaboratively with diverse teams on compliance projects.Team Dynamics: Emphasis on open communication, shared goals, and a supportive environment to enhance compliance practices.

Join Mistral as an Offensive Security Engineer and be at the forefront of cybersecurity innovation. In this role, you will leverage your skills to identify vulnerabilities in systems and applications, contributing to the overall security posture of our clients. You will work closely with cross-functional teams to design, implement, and execute penetration tests, ensuring the integrity and confidentiality of sensitive data.

En tant que Senior Endpoint Engineer – Microsoft Intune, vous serez le point de référence technique sur la gestion, la sécurisation et l’évolution des postes de travail, intervenant dans des environnements internes et chez nos clients.Vos principales missions : Administration & intégration Microsoft Intune Administrer le tenant Microsoft Intune et en garantir la cohérence.Gérer les profils de configuration, les politiques de conformité, les stratégies de sécurité et les cycles de mise à jour.Optimiser Windows Autopilot (Windows 11, Hybrid Join / Entra Join, groupes dynamiques, processus d’enrôlement).Superviser l’intégration et le cycle de vie des applications : packaging, déploiements automatiques, portail d’entreprise et mises à jour.Assurer l’excellence opérationnelle des processus Onboarding / Offboarding.Support expert & dépannage Fournir un support de niveau expert (N3) aux équipes SysOps, Helpdesk et AppOps.Intervenir sur des problématiques complexes de non-conformité.Résoudre les incidents avancés (drivers, Windows Update, enrôlement, stratégies bloquantes).Sécurité & conformité Collaborer avec la RSSI pour maintenir la sécurité des postes de travail.S’assurer de la mise en application cohérente de la PSSI Groupe pour les endpoints.Participer à la définition et la validation des politiques de sécurité (Bitlocker, firewall, Endpoint Security, Defender, SentinelOne).Projets & montée en compétencesContribuer aux projets d'évolution du poste de travail : migrations, industrialisation, automatisation.Accompagner la montée en compétences des équipes internes (SysOps / Helpdesk / AppOps).Participer aux ateliers techniques internes et au partage de connaissances.

The Security Incident Response team, a crucial part of our Resilience Engineering organization, plays a pivotal role in safeguarding Datadog. Our mission is to prepare for and efficiently address security incidents, ensuring that any threats to our systems and data are swiftly contained. We also collaborate with various teams post-incident, viewing these moments as opportunities for growth and learning. By focusing on our adaptability and addressing systemic issues, we foster a culture of resilience within our team and our systems.As an Engineering Manager, you will be at the forefront of this mission, leading a skilled team of engineers dedicated to enhancing Datadog’s incident response capabilities. You will develop tools and automation to boost our efficiency, collaborating with key stakeholders to ensure our focus is directed appropriately and that we are measuring our improvements effectively. As part of the leadership team, your influence will help shape our organizational strategy and cultural landscape.At Datadog, we cherish our office culture, valuing the relationships and collaboration it fosters, as well as the creativity it inspires. We embrace a hybrid workplace model, allowing our Datadogs to achieve a work-life balance that suits them best.What You’ll Do:Lead and mentor a passionate team of incident responders, cultivating a security-focused and resilient culture at Datadog. Provide opportunities for professional growth and development.Act as a hands-on leader during incidents, making decisive choices in uncertain situations and collaborating with multiple teams towards resolution. Participate in an on-call rotation with other leaders for critical decision support.Oversee the triage of alerts and signals in Datadog Cloud SIEM, ensuring a consistent and high-level response to emerging threats. Collaborate with the Threat Detection team to optimize signal performance.Develop tools, systems, and processes to advance Datadog's capabilities in security incident response. Communicate operational metrics clearly to stakeholders.Lead post-incident analyses to ensure that learnings from security incidents are captured, promoting blameless and actionable postmortems. Ensure follow-up actions address systemic issues and prevent future occurrences.

Join Maki as a Security Engineer Intern and dive into the dynamic world of cybersecurity. This internship is your opportunity to gain hands-on experience in protecting our systems and data against malicious threats. Work alongside experienced professionals in a supportive environment that fosters growth and learning.

Role Overview Akuo Energy is hiring a Network & OT Security Engineer (H/F) in Paris. This position focuses on protecting and strengthening the security of our operational technology infrastructure and network systems. What You Will Do Design, implement, and maintain security measures for network and OT environments Safeguard the integrity, confidentiality, and availability of company data Help protect critical assets from potential threats About Akuo Energy Akuo Energy develops renewable energy projects and supports a sustainable future. The team values proactive security practices to keep systems and information safe.

As a Senior Manager in our Information Security Office, you will lead critical initiatives to enhance our security posture and safeguard our organization’s sensitive information. Your expertise will guide our security strategies, ensuring compliance with relevant regulations and industry standards. You will collaborate with cross-functional teams to identify vulnerabilities, implement security controls, and promote a culture of security awareness across the organization.

Join Talan, a dynamic and innovative consulting firm, as a Cloud Security Consultant. In this pivotal role, you will collaborate with cutting-edge technology and provide expert guidance to ensure robust security measures within cloud environments. Your expertise will help our clients navigate the complexities of cloud security and compliance, ensuring their data remains protected.

Role overview The Security Systems and Network Specialist at OECD plays a key part in safeguarding the organization’s digital infrastructure in Paris. The position centers on maintaining secure networks and systems, with particular attention to data protection and the smooth functioning of operations. Main responsibilities Implement and manage security protocols for digital systems and networks Identify and analyze vulnerabilities within network environments Ensure that systems comply with international security standards Contribute to the protection of sensitive data and support the reliability of OECD operations Location This role is based in Paris.

Join Konvu as a Senior Software EngineerAt Konvu, we are dedicated to transforming the landscape of security management, making it seamless and efficient in an increasingly automated world.With the rise of AI-driven code generation and deployment, traditional security methods are becoming obsolete. Our innovative AI agents function like seasoned security engineers, adeptly filtering out noise, validating potential vulnerabilities with substantial evidence, and empowering teams to prioritize what truly matters.Our technology integrates effortlessly into existing workflows without necessitating major overhauls or new systems, delivering actionable insights directly where teams operate. This approach significantly reduces false positives and highlights genuine vulnerabilities confidently.Founded by pioneering members of Sqreen (YC W18, acquired by Datadog), our team possesses deep technical expertise, translating it into tools that developers and security professionals find indispensable.Having secured $5M in seed funding, we are supported by leading VCs from Europe and the US, alongside industry veterans from Datadog, GitHub, Docker, Cloudflare, Sumo Logic, and Vanta.We invite an expert-level Software Engineer to join our Paris team and contribute significantly to our mission.

Join Talan as a Project Manager specializing in Security, where you will be at the forefront of developing and implementing robust security strategies. Your expertise will guide teams in ensuring the integrity and protection of our IT infrastructures.As a key player within our Engineering & Development IT department, you will work closely with cross-functional teams to drive security initiatives and foster an environment of continuous improvement.