Staff Cloud Infrastructure Engineer in Toronto

Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services. This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking real-time iteration and increasing intelligence via additional agentic computation. Cerebras works with the leading model labs, global enterprises, and cutting-edge AI-native startups. OpenAI recently announced a multi-year partnership with Cerebras, to deploy 750 megawatts of scale, transforming key workloads with ultra high-speed inference.

Responsibilities

• Drive the design and architecture of secure, scalable cloud infrastructure and identity platforms in AWS and our own data centers.
• Design and implement IAM, IGA, authentication, authorization, SSO, MFA, identity lifecycle management, and provisioning/deprovisioning solutions using modern identity platforms and standards such as SAML, OAuth2, OIDC, and SCIM.
• Develop automation, integrations, and infrastructure-as-code solutions using Terraform and programming languages such as Python and Go.
• Design and implement security controls for AI-powered systems, including controlled, audited, and governed agent workflows, while contributing to core security services such as service identity, secrets management, key management, authentication, and authorization.
• Partner across Security, Engineering, and Infrastructure teams to drive secure-by-design solutions, implement Zero Trust principles, and reduce operational friction.
• Drive technical direction and cross-team initiatives that improve the scalability, reliability, security, and developer experience of our infrastructure.
• Write high-quality, reliable code, participate in architecture and code reviews, mentor engineers, and help raise the technical bar across the team.
• Support critical production systems and drive operational excellence through scalability, resiliency, observability, and automation.
• Participate in on-call and incident response for the Developer Productivity organization.

Skills & Qualifications

• 7+ years of experience in Cloud Infrastructure, Platform Engineering, Identity & Access Management, Identity Engineering, or Security Engineering.
• Proven experience designing and owning complex production infrastructure or platform systems at scale.
• Strong knowledge of authentication, authorization, identity lifecycle management, and federation protocols including SAML, OAuth2, OIDC, SCIM, and RBAC.
• Experience designing and operating identity and access controls within AWS environments, with hands-on experience building and operating production-level services on AWS.
• Experience working with container technologies and deploying and operating services on Kubernetes.
• Strong automation and coding skills with Python or Go, along with Terraform or similar IaC technologies.
• A security-first mindset with experience implementing Zero Trust, least-privilege access, and compliance frameworks such as SOC2, FedRAMP, or ITAR.
• A strong platform and operational mindset, with experience supporting and improving production services through monitoring, troubleshooting, incident response, and automation.
• Demonstrated ability to influence technical direction, drive cross-team initiatives, and mentor other engineers.
• Excellent collaboration and communication skills, with a proven ability to work across teams and influence technical decisions.

Preferred Skills & Qualifications

• Hands-on experience with identity platforms such as Okta, Microsoft Entra ID (Azure AD), or modern IAM/IGA platforms.
• Experience with Azure and/or GCP is a bonus.

Why Join Cerebras

• Build a breakthrough AI platform beyond the constraints of the GPU.
• Publish and open source their cutting‑edge AI research.
• Work on one of the fastest AI supercomputers in the world.
• Enjoy job stability with startup vitality.
• Our simple, non‑corporate work culture that respects individual beliefs.

Cerebras Systems is committed to creating an equal and diverse environment and is proud to be an equal opportunity employer. We celebrate different backgrounds, perspectives, and skills. We believe inclusive teams build better products and companies. We try every day to build a work environment that empowers people to do their best work through continuous learning, growth and support of those around them.