Top Cybersecurity Jobs in Lyon

Build, ship, and operationally own security integrations and detections (WAF, RASP, API security, IAST, SCA) across Datadog tracing libraries. Design production-grade, polyglot instrumentation (primarily .NET/Java), measure performance and cost, mentor teammates, shape roadmap, and collaborate with product and platform teams.

Lead and scale strategic partner motions (channels, GSIs, ISVs, OEMs, cloud, silicon) to drive joint go-to-market plans, revenue, and market expansion. Build executive relationships, enable partners technically and commercially, establish pipeline governance, and coordinate product, sales, marketing, and engineering to convert partner potential into measurable customer impact.

Serve as a senior network security domain authority to define network engineer personas and workflows, advise product and AI teams, validate agent behaviors across firewall, cloud/SASE, policy management, compliance, vulnerability management, and troubleshooting, and help build realistic enterprise test scenarios.

Lead design and development of low-level Linux instrumentation and eBPF-based runtime security features for detection, monitoring, and workload protection. Drive architecture, implement performance-sensitive systems, establish testing methodologies, deliver end-to-end features, and provide technical leadership and cross-team collaboration across Datadog's security products.

Lead security across applications, services, infrastructure, and developer workflows. Identify, assess, and mitigate risks; run secure code reviews, threat modeling, and architecture discussions; build automation and tooling to prevent issues; harden authentication and access control; investigate incidents and manage disclosures; partner with engineering teams to design secure-by-default APIs and deployments.

Designs, implements, and supports local and wide-area network solutions across multiple platforms and protocols. Responsibilities include network troubleshooting, routing and switching, firewall and security architecture support, vendor coordination, project planning, cost analysis, proof-of-concept development, and ensuring solutions meet customer requirements through implementation, go-live, and maintenance. The role also supports complex networks, SDN, data center infrastructure, and emerging wireless and 5G technologies.

Designs, implements, and supports local and wide-area network solutions across multiple platforms and protocols. Responsibilities include network troubleshooting, routing and switching, firewall and security architecture, vendor coordination, project planning, cost analysis, proof-of-concept development, and customer support through implementation, go-live, and maintenance. The role also involves delivering complex network, wireless, SDN, and 5G solutions.

Designs, implements, and supports local and wide-area network solutions across complex customer environments. Responsibilities include configuring and troubleshooting routing, switching, MPLS, firewall, IP, and VoIP technologies; coordinating hardware and software deployments; planning projects and analyzing costs; developing proof-of-concept solutions; and ensuring requirements are delivered through implementation, go-live, and maintenance. The role also supports networking and security architecture across local, regional, and global domains.

Design and execute manual and automated testing for web applications, APIs, and backend services. Build regression, smoke, and critical-path automation suites; validate functional, integration, end-to-end, and non-functional requirements; identify and track defects; verify fixes; and collaborate with engineering, product, and DevOps teams. Use AI-assisted tools for test generation, flaky-test triage, and log analysis while improving QA processes, tooling, coverage, and release quality.

Design, build, operate, and support resilient distributed platform services. Write maintainable code, troubleshoot production issues, improve reliability and observability, and assist internal teams. Participate in on-call rotations and collaborate on platform evolution.

Own Pigment’s product, infrastructure, and CI/CD security roadmap as a hands-on technical leader. Responsibilities include threat modeling, secure architecture and code reviews, vulnerability management, assurance testing, detection engineering, incident response, and secure SDLC guidance. The role partners closely with product, engineering, and SRE teams, designs security for AI features and agent identities, strengthens least privilege, and builds automation across cloud and production environments.

Lead Constructor's end-to-end security program: manage compliance (SOC 2, ISO 27001), incident response, risk and access governance, vendor security, DLP, AI governance, security exercises, and customer-facing security communications while partnering with platform engineering on cloud and container security.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Enterprise Customer Success Manager enhances customer experience by onboarding clients, managing relationships, and identifying growth opportunities, especially in IT solutions and cloud technology.

Designs, implements, and supports local and wide-area network solutions across multiple platforms and protocols. Responsibilities include network troubleshooting, routing, switching, firewall and security architecture, vendor coordination, project planning, cost analysis, proof-of-concept development, and implementation support through go-live and maintenance. The role requires expertise in core networking technologies, complex network environments, SDN, data centers, and customer-focused technical solution delivery.

Lead technical pre-sales for enterprise customers in France, partnering with account executives on product demonstrations, proofs of value, competitive research, security diligence, and account strategies. Translate Abnormal AI’s email security platform into business outcomes, uncover customer needs, educate sales teams and partners, and drive customer satisfaction. The role requires expertise in messaging, Internet security, networking, email threats, and Microsoft 365 or Google Workspace security controls.

Build and secure cloud infrastructure for production AI solutions across AWS and Azure. Responsibilities include designing CI/CD pipelines, implementing Infrastructure as Code, integrating security scanning and compliance controls, managing Docker and Kubernetes environments, configuring IAM and network security, monitoring and logging systems, improving reliability, and supporting penetration testing remediation.

Owner of post-sale technical relationship for EMEA customers: lead onboarding and deployments of the Upwind platform, drive feature adoption and roadmap discussions, support renewals and expansions, and advocate customer needs cross-functionally to ensure value realization and satisfaction.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Administer and improve EDR and SIEM platforms, tuning detection rules, correlation logic, endpoint policies, alerts, dashboards, and integrations. Maintain log collection, agent health, platform availability, and security visibility across endpoints, servers, cloud, and network systems. Support investigations, onboard new systems, convert security findings into monitoring improvements, track detection coverage, and produce documentation and runbooks.

Lead and grow a senior Application Security engineering team; define AppSec strategy and roadmap; engage deeply on threat modelling, security architecture, agentic/AI-native tooling, SAST/SCA, vulnerability management and automation; embed security into the SDLC, coordinate with leadership and partner teams, and represent AppSec externally for compliance and customer interactions.

Lead end-to-end application and product security for a Kubernetes-based multi-tenant platform. Perform deep security reviews of Go services, Kubernetes controllers, and frontends; lead threat modeling; integrate automated security checks into CI; manage vulnerability lifecycle; develop security-related features; and train developers on secure coding and attack vectors.

Hands-on security engineer responsible for vulnerability triage, bug-bounty management, code-level investigations (Rust/Go/Python), cloud and container security (AWS, Kubernetes), securing CI/CD and GitHub orgs, incident response, security automation, metrics/reporting, and building guardrails across the development lifecycle.

Lead security engineering across web apps, APIs, cloud (AWS/OCI), Kubernetes, and on-prem systems. Build CI/CD security, secure genomic and PHI/PII pipelines (HIPAA), run monitoring and incident response, prepare for HIPAA/SOC2/ISO27001 audits, perform pentesting/vulnerability discovery, improve logging/SIEM, and drive remediation with engineering and DevOps while raising company-wide security awareness.

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.