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Principal AI Security Engineer, AI Native Platform

1 month, 3 weeks ago
United States
Full-time
Lead
AI (Artificial Intelligence)
Artificial Intelligence and Machine Learning
LLM OAuth Secrets Management
Apply Now
Life360

Life360

Life360 is the top family location safety app, offering advanced safety features to connect and protect millions of families worldwide.

Family Services
251-1K
Founded 2008
$140M raised
View All Jobs 17

Description

  • Own the security strategy for frontier model access and MCP governance, including risk frameworks, authorization architecture, and escalation models.
  • Architect the identity and trust model for non-human agents, including authentication, trust revocation, scoped credentials, and least-privilege access.
  • Define the adversarial defense posture for AI systems in production, including prompt injection defense, monitoring, telemetry, and incident response.
  • Lead security architecture reviews for the common AI end-user platform and implement access controls, data boundaries, and abuse detection.
  • Secure the shared knowledge layer by defining access control and data governance for retrieval and reasoning systems.
  • Build AI supply chain integrity through model provenance, service vetting, and dependency controls.
  • Partner with Privacy, Legal, and Data Platform to ensure controls are built into pipelines handling location data, family graphs, and data involving minors.
  • Guide security architecture coherence across model access, agent infrastructure, the knowledge layer, and the end-user platform as they evolve.
  • Help define first-draft standards and scale the security patterns that prove effective in production.

Requirements

  • 15+ years in security engineering with depth in application security, cloud security, IAM, or detection.
  • Experience defining platform-level security architecture, including trust models and data boundary topologies.
  • Hands-on experience with LLM and agentic systems, including prompt pipelines, RAG architectures, and multi-agent orchestration.
  • Deep expertise in IAM for non-human systems, including service identities, OAuth, secrets management, RBAC/ABAC, and least-privilege architecture.
  • Experience with production telemetry and detection at an architectural level.
  • Comfort working in ambiguous, in-flight builds and iterating on first-draft standards.
  • Strong cross-functional communication skills across engineering, product, legal, privacy, and senior leadership.
  • Ability to make strategic build-versus-buy decisions and guide organizational investment choices.
  • Familiarity with NIST AI RMF, OWASP LLM Top 10, and adjacent compliance environments for consumer data at scale.
  • Bachelor's degree or equivalent experience in Computer Science, Information Security, or a related field.
  • Preferred: Experience with frontier model API security, tool-use authorization patterns, or access governance for AI systems at scale.
  • Preferred: Hands-on experience with multi-agent orchestration frameworks such as LangGraph, AutoGen, or CrewAI.
  • Preferred: Familiarity with knowledge graph architectures, vector stores, or RAG systems and their access control challenges.
  • Preferred: Red teaming or adversarial testing against AI systems, including prompt injection, jailbreaks, data extraction, model inversion, or supply chain attacks.
  • Preferred: Background in consumer technology or another domain where personal data sensitivity is a core product obligation.
  • Preferred: Experience designing or reviewing security for internal enterprise AI platforms serving non-technical users.

Benefits

  • US-based salary range of $239,500 to $351,500.
  • Equity as part of the compensation package.
  • Medical, dental, vision, life, and disability insurance plans fully paid for employees.
  • 401(k) plan with company matching.
  • Mental Wellness Program and Employee Assistance Program (EAP).
  • Flexible PTO plus 13 company-wide days off each year.
  • Winter and Summer weeklong synchronized company shutdowns.
  • Learning and development programs.
  • Equipment, tools, and reimbursement support for a productive remote environment.
  • Free Life360 Platinum Membership and free Tile products.

Interested in this position?

Apply directly on the company website

Apply Now

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