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Infrastructure Security Lead

Together AI operates an AI-native cloud platform for open and custom AI models.

Series CRecently funded
San Francisco, United States
About Together AI

Together AI provides production AI infrastructure spanning inference, accelerated compute, model training and fine-tuning, and secure code sandboxes for AI development.

View jobs by Together AI

Skills

Candidate Availability

About the Role

You'll be the hands-on technical owner of infrastructure security for globally distributed systems, reporting to the SVP of Engineering. You'll build internal security tooling, deepen telemetry and detection, remediate vulnerabilities, and partner with engineering to harden systems. Over time you'll grow the team and expand into securing AI-specific surfaces like training clusters, GPU fleets, model artifacts, and inference endpoints.

Requirements

  • Hands-on security leadership: able to lead a team and stay deep in technical work
  • Strong systems and cloud-native software engineering experience with deep Linux configuration, security, and administration
  • Fluency with automation and infrastructure-as-code (Terraform, Ansible, and/or Salt)
  • Pragmatic security instinct and sound risk judgment
  • Experience with security telemetry and detection (OSQuery, Falco, SIEM) and fixing vulnerabilities in distributed systems
  • Curiosity about how AI changes the security landscape
  • Bonus: Go or Rust, AWS/GCP, Linux/networking fundamentals, OCP familiarity, public security-practitioner footprint

Responsibilities

  • Own infrastructure security for globally distributed systems as hands-on technical leader
  • Build and lead the infrastructure security team
  • Partner with engineering and infrastructure teams to harden global systems
  • Develop and implement internal security tooling at scale
  • Deepen security telemetry and improve detection of and response to security events
  • Identify and remediate vulnerabilities, including authenticated vulnerability scanning of distributed systems
  • Secure AI-specific surfaces including training clusters, GPU fleets, model artifacts, and inference endpoints

Benefits

  • Startup equity
  • Health insurance
  • Other competitive benefits
Infrastructure Security Lead at Together AI | JobStash