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.

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.

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.

Lead end-to-end delivery of hyperscale data centre projects onsite, managing design, construction, commissioning and close-out. Serve as key client interface, coordinate vendors and stakeholders, ensure compliance with safety/quality/environmental standards, control costs/schedule, and produce regular progress and risk reports.

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.

Drive net-new revenue and expansion within enterprise accounts by positioning Elastic's search, observability, and security platform. Manage complex sales cycles, qualify opportunities (MEDDPICC), build strategic plans, collaborate with Solutions Architects and Customer Success, negotiate contracts, and deepen customer adoption of Elastic's cloud and AI-powered search solutions.

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

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.

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 the Nordics & Benelux region, build and manage strategic account pipelines, run consultative sales processes with CISOs and security leaders, deliver outcome-based demos with Solutions Engineers, collaborate with partners and internal teams, and accurately forecast revenue to close high-impact deals.

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.

Senior Sales Engineer for META region: lead technical strategy, architect and deliver PoVs/PoCs, run deep architectural workshops with CISOs, enable channel partners and GSIs, translate isolation and zero-trust concepts into business value, and relay regional compliance needs to product and engineering teams.

Design, build, and maintain RESTful, asynchronous microservices and APIs for internal and external customers. Optimize service performance at scale, deliver high-quality code reproducibly, and evolve the Service Delivery platform while collaborating across teams to drive features to completion.

Build, operate, and automate Menlo Security's global cloud-native platform across GCP and AWS. Manage VM fleets and Kubernetes clusters, author Terraform IaC and Spacelift workflows, implement observability with Grafana/Prometheus/OTel, handle networking, DNS, certificates, and service mesh, and reduce operational toil through automation while participating in 24x7 on-call rotation and cross-team architecture and DR planning.

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.