Principal AI Security Architect

Fdetimes; United States; On-site; USD 180,000 - 260,000; Full time

Job summary

Cerebras Systems is seeking a Principal AI Security Engineer to lead hands-on security engineering for enterprise IT, infrastructure, AI platforms, and agentic systems. You will design and build security controls for training, inference, model serving, and customer workloads while collaborating across product, cloud, and developer platforms.

This principal IC role requires turning ambiguous AI security risks into practical architecture, reusable controls, and production-ready systems that teams

Qualifications

• Extensive security engineering background with AI/platform focus.
• Hands-on security implementation in cloud environments (AWS) and IAM.
• Experience in policy/code-driven security reviews and automation.

Responsibilities

• Define security architecture and build controls for AI platforms, training and inference workflows, model-serving systems, customer workloads, developer workflows, and agentic.
• Develop reusable AI and agent security patterns for identity, authorization, delegated authority, scoped tool access, MCPs, connectors, secrets, approvals, isolation, auditability.
• Design runtime controls that constrain execution, access, data exposure, model and tool interaction, and blast radius.
• Build security capabilities as code using infrastructure as code, configuration as code, policy as code, GitOps, CI/CD, and automated validation.
• Define secure development patterns for AI systems, agents, prompts, tools, models, policies, evaluations, releases, and rollback.
• Automate security reviews, policy checks, evidence collection, control validation, and remediation.
• Instrument AI, agent, and platform activity with telemetry, traceability, policy decisions, audit logs, anomaly signals, and response workflows.
• Lead hands-on security reviews and influence product, platform, infrastructure, and security architecture through practical design changes and reusable controls.

Skills

Security engineering

Python

Security controls

Cloud security (AWS)

Identity & access

Container security

AI security

Cross-system risk

Communication

Tools

Kubernetes

Docker

AWS IAM

Job description

Cerebras Systems is seeking a Principal AI Security Engineer to lead hands-on security engineering for enterprise IT, infrastructure, AI platforms, and agentic systems. You will design and build security controls for training, inference, model serving, and customer workloads while collaborating across product, cloud, and developer platforms.

This principal IC role requires turning ambiguous AI security risks into practical architecture, reusable controls, and production-ready systems that teams