Infrastructure Security Engineer at Material Security

About the role

Own infrastructure security across the systems that train and serve frontier models. Your expertise spans supply chain, identity and secrets, multi-cloud Kubernetes, workload isolation, runtime defense, and detection and response across thousands of compute nodes.

What you'll do

• Audit and harden multi-cloud Kubernetes clusters

• Design authorization, admission, and workload isolation policy

• Secure the software supply chain from build to deploy

• Manage identity and secrets across clusters and accelerators

• Protect high-value assets including model weights and training data

• Build detection and response tooling for clusters, workloads, and the underlying fabric

What you'll need

• BS in CS, EE, or related field, or equivalent experience

• Software engineering skills: Rust, Go, or Python

• Strong Linux internals: namespaces, cgroups, seccomp, capabilities

• Deep Kubernetes security: authz, admission, workload isolation, runtime defense

• Software supply chain security: SBOM, signing, attestation

• Identity and secrets management

• Experience protecting high-value assets (model weights, training data, or equivalent)

• Track record in detection, response, and threat modeling

• Multi-cloud experience: AWS, GCP, Azure, CoreWeave, Crusoe

What we offer

• Top-tier compensation structured to recognize and retain the best talent

• Meaningful equity

• Comprehensive medical, dental, vision, life, and disability insurance

• Parental leave for all new parents, including adoptive and surrogate journeys

• Flexible PTO

• Paid Holidays

• Relocation support

Equal Employment Opportunity

We're an Equal Opportunity Employer and do not discriminate on the basis of any protected status under applicable law.