Top Cyber Security Jobs

Respond to customer security incidents across on-premises, cloud, and hybrid environments. Perform active edge mitigation, full incident response lifecycle (investigation, containment, remediation, recovery), forensic evidence preservation, threat isolation, and customer-facing remediation. Use network forensics, cloud IR methods, AI-assisted analysis, and produce technical reports for executives and engineers.

Lead and own end-to-end threat intelligence production: manage intake, editing, review, and publication cadence; enforce style, source-handling, and classification standards; write and edit technical intelligence; mentor writers and analysts; coordinate with researchers, security, and communications to deliver customer-facing intelligence.

Embed as a senior technical expert within enterprise customers to design, implement, and optimize Cloudflare security and networking solutions. Lead hands-on configuration, automation, architecture, workshops, documentation, and act as customer advocate while collaborating with sales and product teams.

Work on research projects addressing security, privacy, and scalable systems. Tasks include engineering, data analysis, protocol design, open-source development, measurement, and implementation using systems languages. Projects may involve AI, distributed systems, privacy, or trusted execution. Interns matched to research directions, expected to communicate results and collaborate with teammates.

Lead technical insider threat investigations, perform digital forensics and threat hunting, develop detections and response playbooks, collaborate with Legal/HR/Privacy, and improve SIEM/EDR/DLP-based detection capabilities.

Lead architecture and technical strategy for threat detection and response across Cloudflare's network. Design and build large-scale data pipelines and edge/Cloud systems, develop AI-assisted workflows for threat hunting, mentor engineers, operate production services (Kubernetes, Workers), and participate in on-call incident response while collaborating with Threat Intelligence, Product, Legal, and Trust & Safety teams.

Lead and grow an engineering team building the Threat Events platform and external Threat Intel APIs. Own architecture, operational excellence, API performance, and integration of IOCs into products like WAF and Gateway. Hire and mentor engineers, collaborate with product and researchers, and ensure scalable, reliable data pipelines and on-call readiness.

Lead technical discovery, design bespoke architectures, deliver demos and PoCs, and act as a trusted advisor across the customer lifecycle. Carry quota for adoption and expansion, run QBRs, and leverage AI-augmented workflows to automate routine tasks and focus on strategic technical outcomes.

Work on research projects in security, privacy, and systems at scale. Tasks include systems engineering, data analysis, protocol design, implementation, measurement, and open-source contributions. Interns are matched to projects in AI, distributed systems, privacy, or trusted execution environments and must communicate results clearly.

Join Cloudflare Research as a 12-week fall intern to work on systems-scale problems in security, privacy, and performance. Responsibilities include engineering, data analysis, protocol design, implementation, measurement, and open-source contributions. Projects may span AI/ML, distributed systems, trusted execution environments, cryptography, and networking protocols.