Security Infrastructure Engineer: Kubernetes, IAM & Cloud

Speedrun Talent Network; San Francisco (CA); On-site; USD 300,000 - 350,000; Full time

Benefits offered by this job

Health, dental, vision benefits

Unlimited PTO

Relocation support

Job summary

Thinking Machines is seeking an infrastructure security engineer to own the security stack for its foundation models. You will secure compute, storage, networking, and data platforms, shaping controls and tooling to default to secure by design.

You’ll partner with research and product teams to move quickly while protecting models, data, and environments. Requires Kubernetes security experience and IaC expertise.

Qualifications

• Bachelor’s degree or equivalent experience in engineering, or similar.
• Strong background with containers and orchestration (Kubernetes) and how to secure them.
• Experience with Infrastructure as Code (Terraform or similar), including secure patterns for provisioning networks, IAM, and shared services.
• Solid understanding of cloud networking and security: VPCs, load balancers, service discovery, mTLS, firewalls, and zero-trust architectures.
• Proficiency with a systems language such as Rust and scripting in Python for building platform components.
• Evidence of owning complex, production-critical systems across infra, security, and application layers.

Responsibilities

• Architect security patterns for platforms and services, including network segmentation and policy enforcement.
• Manage identity, access, and secrets for humans and services; implement least privilege IAM.
• Build secure platforms for data ingestion, processing, and curation with proper controls.
• Write threat models and review designs with researchers and engineers.
• Automate security checks and guardrails in CI/CD; make the secure path easiest.

Skills

Containers & Kubernetes

IaC (Terraform)

Cloud security

Rust

Python

Production ownership

Education

Bachelor’s degree

Tools

Terraform

CI/CD tooling

Job description

Thinking Machines is seeking an infrastructure security engineer to own the security stack for its foundation models. You will secure compute, storage, networking, and data platforms, shaping controls and tooling to default to secure by design.

You’ll partner with research and product teams to move quickly while protecting models, data, and environments. Requires Kubernetes security experience and IaC expertise.