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Thinking Machines Lab

Infrastructure Engineer, Security

Thinking Machines Lab
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5 days ago

Base Salary

$200k - $475k/yr

Responsibilities

  • Architect security patterns for platforms and services, including network segmentation, service-to-service authentication, RBAC, and policy enforcement in Kubernetes and cloud environments.
  • Manage human and service identity, access, least-privilege IAM, workload and cross-cloud identity, and secrets management.
  • Build secure data ingestion, processing, and curation platforms with classification, encryption, access controls, and safe sharing patterns.
  • Create threat models and review designs with researchers and engineers to support safe, scalable features and experiments.
  • Automate security checks and build guardrails through policy-as-code, secure infrastructure baselines, CI/CD validation, and internal tooling.

Requirements

  • Bachelor’s degree or equivalent experience in engineering or a similar field.
  • Strong experience securing containers and orchestration platforms, including Kubernetes namespaces, network policies, pod security, and admission controls.
  • Practical Infrastructure as Code experience with Terraform or a similar tool for provisioning secure networks, IAM, and shared services.
  • Solid understanding of cloud networking and security, including VPCs, load balancers, service discovery, mTLS, firewalls, and zero-trust-style architectures.
  • Proficiency in a systems language such as Rust and scripting in Python.
  • Experience owning complex, production-critical systems and debugging issues across infrastructure, security, and application layers.
  • Preferred qualifications include experience with ML infrastructure, GPU clusters, large-scale training environments, AI labs, HPC environments, high-throughput system performance tuning, infrastructure security or distributed systems publications, relevant open-source contributions, and securing GPUs or TPUs in training and inference pipelines.

Benefits

  • Health, dental, and vision benefits.
  • Unlimited PTO.
  • Paid parental leave.
  • Relocation support as needed.
  • Based in San Francisco, California; visa sponsorship is available.
  • This is an evergreen role reviewed on an ongoing basis rather than a single immediate opening.