Drimva

Lightfield

Head of Security

$250K–$325K

HQ: San Francisco · On-site · Director · Full-time · Posted Oct 21, 2026

About the job

Leads Lightfield’s security strategy and hands-on security program across its product, infrastructure, AI agents, compliance, incident response, and customer relationships.

What you'll do

  • Set security strategy and roadmap; review architecture and code, threat-model products, remediate vulnerabilities, and implement controls.
  • Build and operate security systems, including identity and access, monitoring, incident response, data protection, and AI-agent security.
  • Own SOC 2 and customer security reviews, lead incident response, and build the security team.

What they ask for

  • Previously led a security function at a high-growth technology company with end-to-end responsibility.
  • Strong application and cloud security expertise, including reasoning about attack surfaces, trust boundaries, and failure modes.
  • Owned security and compliance programs such as SOC 2 and worked directly with enterprise customers and their security teams.
  • Hands-on technical capability across code and infrastructure, alongside security strategy and executive/customer engagement.

Pay

$250K – $325K USD base salary

Tools

SOC 2

AI focus

Develop security models for AI agents, including permissions, tool access, sandboxing, data boundaries, and safe execution.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)