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Staff Engineer, AI Security

1 hour, 39 minutes ago
Ireland
Full-time
Lead
AI (Artificial Intelligence)
Artificial Intelligence and Machine Learning
CI/CD Go LLM Machine Learning Python Twilio
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Twilio

Twilio

Twilio is a cloud communication company that offers Communication APIs for SMS, Voice, Video, and Authentication, empowering developers to embed communication capabilities into their software applications globally.

Diversified Telecommunication Services
5K-10K
Founded 2008
View All Jobs 136

Description

  • Serve as the primary subject matter expert for AI and machine learning security initiatives across security and R&D.
  • Design and manage AI gateways that centralize authentication, authorization, and rate limiting for model and tool interactions.
  • Build and maintain an autonomous security agentic framework for investigation, alert triage, and remediation.
  • Develop agentic identity models using OAuth 2.1 to propagate identity across trust boundaries.
  • Govern the AI-augmented software development lifecycle by integrating real-time security gates into developer environments and CI/CD pipelines.
  • Manage security solutions that protect AI workloads at runtime and across the AI lifecycle.
  • Author company-wide AI security standards and implement security checks across Twilio’s stack.
  • Implement human-in-the-loop checkpoints and transactional safety protocols for high-impact or destructive agent actions.
  • Partner with engineering leadership to define the long-term roadmap for identity-centric security and automated posture management.
  • Mentor security engineers and create secure-by-default templates for R&D teams.

Requirements

  • 8+ years of experience in security engineering, including at least 3 years focused on AI or machine learning security operations (MLSecOps).
  • Experience orchestrating multi-agent systems with AWS Strands, LangGraph, and CrewAI.
  • Knowledge of runtime isolation, PII redaction, and defenses against indirect prompt injection in agentic environments.
  • Hands-on experience with AI security frameworks such as MITRE ATLAS, MAESTRO, and OWASP Top 10 for LLMs/Agents/MCP.
  • Ability to threat model and defend against prompt injection, training data poisoning, tool poisoning, and data exfiltration in agentic workflows.
  • Experience securing end-to-end AI pipelines from data ingestion and training through deployment and monitoring.
  • Strong communication skills to translate complex AI risks into actionable business logic for stakeholders.
  • Preferred: hands-on experience with SAST, SCA, and DAST, including adapting these tools for AI-specific vulnerabilities.
  • Preferred: expertise in identity standards including OAuth 2.1 and PKCE.
  • Preferred: experience with AI red teaming and adversarial simulations against LLMs and agentic systems.
  • Preferred: proficiency in at least one general-purpose programming language such as Python or Go.
  • Preferred: experience with container security and workload isolation.
  • Preferred: ability to operate autonomously in ambiguous environments and drive high-impact projects without predefined roadmaps or direct supervision.
  • Remote-based in Ireland.
  • Occasional travel may be required for project or team in-person meetings.

Benefits

  • Competitive pay.
  • Generous time off.
  • Parental leave and wellness leave.
  • Healthcare coverage.
  • Retirement savings program.
  • Remote-first work environment.
  • Support for volunteering and donation efforts.

Interested in this position?

Apply directly on the company website

Apply Now

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