Senior AI Security Architect

Cerebras; Sunnyvale (CA); On-site; USD 260,000 - 380,000; Full time

Job summary

Cerebras Systems in Sunnyvale, CA, is seeking a Principal AI Security Engineer to lead hands-on security for enterprise IT, AI platforms, and agentic systems. You will design and build security controls for training, inference, model serving, and customer workloads, working across product, cloud, identity, runtime, data, and developer platforms to protect sensitive data, models, tools, and control planes.

This principal IC role turns ambiguous AI and platform security risks into practical

Qualifications

• 10+ years in security engineering, platform/security roles.
• Hands-on Python and another production language.
• Experience designing, operating, and improving security controls.
• Strong AWS cloud security experience: IAM, networking, logging, secrets.
• Deep understanding of identity and access systems (SSO, MFA, OAuth).
• Practical security in runtime environments: containers, Kubernetes, isolated workloads.
• Familiarity with AI security, LLM security, agentic workflows, MCPs, prompt injection.
• Ability to assess cross-system risk across identity, data, models, tools, networks, workflows.
• Strong written communication to influence senior technical stakeholders.

Responsibilities

• Define security architecture and build controls for AI platforms and workflows.
• Develop reusable AI security patterns for identity, authorization, and tool access.
• Design runtime controls to limit execution and data exposure.
• Build security capabilities as code using IaC, configuration as code, policy as code, GitOps, CI/CD.
• Define secure development patterns for AI systems, prompts, tools, models, and releases.
• Automate security reviews, policy checks, evidence collection, and remediation.
• Instrument AI and platform activity with telemetry, audit logs, and anomaly signals.
• Lead hands-on security reviews and influence architecture with practical design changes.

Skills

Security engineering

Python

Other production language

Security controls design

Cloud security AWS

Identity and access

Container security

Kubernetes security

AI security

LLM security

Agentic workflows

Risk assessment

Communication

Job description

Cerebras Systems in Sunnyvale, CA, is seeking a Principal AI Security Engineer to lead hands-on security for enterprise IT, AI platforms, and agentic systems. You will design and build security controls for training, inference, model serving, and customer workloads, working across product, cloud, identity, runtime, data, and developer platforms to protect sensitive data, models, tools, and control planes.

This principal IC role turns ambiguous AI and platform security risks into practical