Top Cybersecurity Jobs in Lyon

Embed application security across a large cloud-native, microservices fintech platform: design secure architectures, run threat modeling, integrate SAST/DAST and dependency/secrets scanning into CI/CD, manage vulnerability lifecycle, support pentests and bug bounties, and improve secure coding and AppSec maturity.

Perform protocol-focused security research to prevent vulnerabilities on Ethereum mainnet. Tasks include AI-assisted analysis, fuzzing, manual review, reviewing hardforks and spec changes, improving security tooling and automation, coordinating disclosures, and supporting audits and audit competitions while collaborating with devops, specifications authors, and client implementers.

Define and execute the product roadmap for AI-driven blockchain security monitoring tools. Collaborate with cross-functional teams, analyze market and customer feedback, deliver features on time, and communicate with stakeholders to align expectations and improve product offerings.

Lead identification, mitigation, and prevention of security risks across teams. Architect and manage security solutions, enforce policies, perform penetration testing and purple teaming, monitor and respond to incidents, build automation and security frameworks, and collaborate on secure design and DevSecOps practices for a decentralized exchange.

Customer-facing senior consultant who integrates and supports Akamai security products, advises on web security strategy, resolves technical issues, collaborates cross-functionally, and contributes to training and best practices to ensure customer success.

Lead and improve ZODL security posture, manage incident response, coordinate external audits, advise staff on operational and personal security, prioritize mitigations, recruit security talent, and collaborate with engineering and research to secure Zcash software and protocols.

Own and scale Wayflyer’s security program: lead a security team, define strategy, run monitoring, detection and incident response, partner with engineering on cloud and application security, manage third‑party risk, ensure regulatory controls, and report security posture to leadership.

Own and evolve cloud infrastructure across AWS/GCP/Azure, build CI/CD and containerized deployments, design multi-tenant environments, implement monitoring and IaC (Terraform/Ansible), lead data protection and threat detection, and support compliance and security audits.

Design, implement, and maintain Firefox security architecture and cryptography stack (WebPKI, cryptographic protocols). Build web platform security features, debug multi-threaded cross-platform native code, improve performance and memory usage, collaborate across teams, and contribute to technical design and standards-based implementations.

Maintain and mature Mozilla's ISMS and support ISO 27001 and SOC 2 Type 2 audits. Manage SoA, risk treatment plans, policy program, gap tracking and remediation, internal audit support, and cross-functional evidence collection. Advise leadership on audit risk and certification readiness.

Owner of offensive security testing and continuous perimeter monitoring across external domains, IPs, DNS, VPS, and office infrastructure. Conduct adversary emulation against endpoints/EDR/XDR, scoped web/API tests, and document exploitation chains. Translate findings into defensive controls, support Purple Teaming, and improve asset tracking and remediation metrics.

Design and implement secure Linux-based product, network, and server architectures with automation. Lead cloud infrastructure and application deployment projects, support regulatory and product security management, and advise on APIs (REST, MQTT, OPC-UA). Work in a cross-functional team using containerization, CI/CD, and infrastructure-as-code tools.

Provide strategic procurement and contract advice across major public and private projects, lead end-to-end procurement processes, support post-contract management under NEC4, develop procurement services and supply-chain intelligence, contribute to business development, and mentor/manage teams while supporting CIPS/MCIPS accreditation.

Design, build, and harden Chromium-based browser components in C++ to power Menlo's AI/agent initiatives; apply networking and HTTP security expertise; integrate AI agents and MCP servers; build tooling in Python or Rust; deploy and operate cloud infrastructure (AWS/GCP, Kubernetes, Terraform); debug and optimize performance-critical systems; collaborate cross-functionally.

Design, build, and operate Threat Protection and ShadowAI services: scalable distributed systems and APIs that detect and control risky web and generative AI usage. Own features end-to-end, maintain availability and latency SLOs, write tests, perform code reviews, use AI-assisted tools, and collaborate with cross-functional teams to improve detection accuracy and production reliability.

Own a UK region and build a pipeline of strategic, high-value accounts. Execute consultative account plans from prospecting through close, engage CISOs and security leaders, deliver outcome-based demos with Solutions Engineers, collaborate with partners and internal teams, accurately forecast revenue, and contribute go-to-market feedback.

Design, build, and operate multi-region VM and Kubernetes infrastructure on GCP and AWS. Lead IaC standards with Terraform/Spacelift, implement observability (Grafana/Prometheus/OTel), manage core platform services (DNS, certs, ingress, service mesh), drive automation and CI/CD, mentor engineers, and participate in 24x7 on-call incident response and post-incident reviews.

Develop and extend Menlo Security's web isolation remote browser technology across desktop and mobile. Work on Chromium internals, networking, video/audio, HTML5 features (WebGL/WebRTC), containerization, scaling and load balancing with a strong systems-level Linux and security focus.

Lead Upwind's enterprise sales efforts in France: build pipeline, own complex end-to-end sales cycles, engage C-suite and technical buyers, collaborate with technical teams, cultivate channel and cloud provider partnerships, and deliver predictable, data-driven revenue growth across the region.