Offensive Security Engineer
Core
Design and execute adversarial simulations, penetration testing, and offensive research to uncover sophisticated attack scenarios targeting high-value assets across the Nebius Cloud stack.
Role type
Senior IC offensive security engineer (red teaming)
Builds
Penetration testing program, red team engagements, and novel attack research against GPU infrastructure and AI platforms
Domain
Cloud security, AI infrastructure, GPU clusters
Deliverable
production ML models
Required skills
Penetration testing, red teaming, cloud-native security (Kubernetes, IAM, container escapes), adversarial simulation, custom tooling development (Python/Go), purple team exercises, technical reporting
Preferred skills
ML infrastructure attack experience, reverse engineering, application security, eBPF bypass, kernel-level exploitation, vulnerability research, cloud provider internals knowledge
Technologies
Kubernetes, Python, Go, vLLM, TRT-LLM, Slurm, SR-IOV, IOMMU, RDMA, InfiniBand, eBPF
Responsibilities
Validate and extend Secure SDLC threat models via continuous penetration testing; Plan and execute full-scoped red team engagements against cloud platform layers; Research novel attacks against GPU infrastructure and AI platform managed services; Conduct targeted assessments of new products before shipping; Deliver actionable security reports for technical and leadership audiences; Establish scalable red team processes and tooling
Seniority
Senior, hands-on IC
