AI Infrastructure Security Engineer

Brain Co.
San Francisco, New York, London
Workplace: OnsiteFull timeFunction: CybersecurityExperience: 5+ yearsSkills: ["Hands-on builder","High-ownership","Threat modeling","Partnering","High-agency"]

Secure Brain Co’s AI platform end-to-end by engineering security foundations across cloud infrastructure, Kubernetes, identity, networking, and CI/CD. You’ll implement Zero Trust and least-privilege access with short-lived credentials, protect customer data and agent workloads, and build security guardrails into infrastructure workflows using Terraform. Partner closely with infra, platform, product, and ML teams to ship secure-by-default infrastructure while owning threat modeling and forward-deployed customer environment security.

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FursaFursa
Brain Co.
Brain Co.
10 months ago

AI Infrastructure Security Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Secure Brain Co’s AI platform end-to-end by engineering security foundations across cloud infrastructure, Kubernetes, identity, networking, and CI/CD. You’ll implement Zero Trust and least-privilege access with short-lived credentials, protect customer data and agent workloads, and build security guardrails into infrastructure workflows using Terraform. Partner closely with infra, platform, product, and ML teams to ship secure-by-default infrastructure while owning threat modeling and forward-deployed customer environment security.
Location: San Francisco, New York, London
Workplace: Onsite
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Secure the platform layer end-to-end, including cloud infrastructure, Kubernetes, identity, networking, and systems running AI workloads.
  • •Build security foundations such as identity, isolation, secrets management, and access control across cloud and Kubernetes.
  • •Harden infrastructure across cloud networking, service meshes, CI/CD pipelines, and data/model pipelines powering AI capabilities.
  • •Implement Zero Trust principles with machine identity, short-lived credentials, least-privilege access, and encrypted service communication.
  • •Own threat modeling and security for forward-deployed infrastructure, including bespoke VPCs and customer-environment deployments, and build security guardrails into deployment workflows using Terraform.

Pay and Benefits

Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kPaid LeaveCommuter BenefitsMeal Allowance

Key Requirements

  • •5+ years of experience in security engineering, infrastructure, or SRE with hands-on security/build experience at production scale.
  • •Fluent in cloud security fundamentals (IAM, networking, KMS, secrets, isolation) across AWS, GCP, or Azure.
  • •Designed and implemented secure systems end-to-end (not just reviewed after the fact).
  • •Hands-on experience with Kubernetes, container security, and Linux systems.
  • •Ability to translate threat models, trust boundaries, and failure modes into concrete security controls and build guardrails using Infrastructure-as-Code (Terraform preferred).
Experience:5+ years
Skills:Hands-on builderHigh-ownershipThreat modelingPartneringHigh-agency
Tech Stack:Cloud securityIAMNetworkingKMSSecretsIsolationAWSGCPAzureKubernetesContainer securityLinuxZero TrustMachine identityCI/CDService meshesInfrastructure-as-CodeTerraformAuthenticationAuthorization

Company Brief

Brain Co.
Brain Co. builds agent-native operating systems for regulated institutions across government, health, insurance, finance, and enterprise. Its platform emphasizes secure deployment, workflow integration, and AI applications tailored to complex operational environments.
Industry: AI & Machine Learning
Growth: Growth Stage Startup
Headquarters: San Francisco, United States
Founded: 2026
WebsiteLinkedIn