Radu Ionescu
Senior AI Security Engineer
Cluj-Napoca, Romania · Europe/Bucharest (UTC+3) · 11 years of experience
Radu focuses on securing AI applications, data paths, model supply chains, and agent permissions.
Request a shortlistWhy this profile fits
AI-specific threat modeling
Covers prompt injection, sensitive-data exposure, unsafe tool use, model supply chains, and excessive agency.
Least-privilege architecture
Scopes identities, tools, data access, secrets, and network paths to the minimum required for each workload.
Adversarial validation
Turns abuse cases and incidents into repeatable tests, monitoring signals, and response playbooks.
Relevant toolkit
Kubernetes SecurityLLM Red TeamingSIEMDelivery evidence
Selected work
GPU Workload Security Baseline
cloud platformsDesigned and delivered a AI security programme focused on Kubernetes security for AI workloads; reduced critical cluster-policy findings by 71% across GPU namespaces. The release included threat models, least-privilege controls, adversarial tests, logging, and incident playbooks mapped to OWASP guidance.
Kubernetes Policy Verification Pipeline
cloud platforms operationsBuilt the supporting control and measurement layer for the primary system, covering review queues, regression checks, operational visibility, and a documented handoff to the owning team.
Relevant experience
Career timeline
Senior AI Security Engineer
2023–PresentDevlyn client assignments · Remote
- Led Kubernetes security for AI workloads delivery for a cloud platforms team and reduced critical cluster-policy findings by 71% across GPU namespaces.
AI Security Engineer
2015–2022cloud platforms product company (confidential) · Cluj-Napoca, Romania
- Built production systems in cloud platforms, with increasing ownership of reliability, testing, and stakeholder delivery.
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Skill depth
Show experience in context.
Relevant experience by skill
See the complete skill index
Languages
Frameworks
Tools
Platforms
Storage
Paradigms
Credentials
Certifications
Certified Cloud Security Professional
ISC2 · 2026 · Certified
HashiCorp Certified: Vault Associate (003)
HashiCorp · 2025 · Certified
Communication
Languages
English
Fluent
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