Job Overview
Location
Remote - Ireland
Job Type
Full-time
Category
Software Engineering
Date Posted
April 21, 2026
Full Job Description
đź“‹ Description
- • As a Staff Engineer, AI Security on Twilio's AppSec team, you will lead autonomous defense for the AI lifecycle by building multi-agent frameworks and secure gateways while integrating real-time security gates and identity standards.
- • You will serve as the primary subject matter expert for AI and machine learning security initiatives, design and manage AI gateways for centralized control of authentication, authorization, and rate limiting, and build autonomous security agentic frameworks using multi-agent orchestration for investigation, alert triage, and remediation.
- • You will develop agentic identity models using OAuth 2.1, govern the AI-augmented software development lifecycle by integrating real-time security gates into developer environments and CI/CD pipelines, and implement human-in-the-loop checkpoints for high-impact agentic actions.
- • You will partner with engineering leadership to set long-term roadmaps for identity-centric security and automated posture management, while mentoring security engineers and developing secure-by-default templates for R&D teams to ensure a 'secure-by-default' future for agentic workflows.
- • Twilio is a remote-first company shaping the future of communications, empowering millions of developers worldwide to craft personalized customer experiences, with a strong culture of connection, global inclusion, and innovation where your career growth is in your hands.
🎯 Requirements
- • 8+ years of experience in security engineering with at least 3 years focused on AI or machine learning security operations (MLSecOps)
- • Expertise in orchestrating multi-agent systems with AWS Strands, LangGraph, and CrewAI, specializing in runtime isolation, PII redaction, and defending against indirect prompt injection in agentic environments
- • Hands-on experience with AI-specific frameworks (e.g., MITRE ATLAS, MAESTRO, OWASP Top 10 for LLMs/Agents/MCP) to threat model and defend against risks including prompt injection, training data poisoning, tool poisoning, and data exfiltration
- • Proficiency in securing end-to-end AI pipelines, from data ingestion and training to model deployment and monitoring
- • Strong communication skills to translate complex AI risks into actionable business logic for stakeholders
🏖️ Benefits
- • Competitive pay
- • Generous time off
- • Ample parental and wellness leave
- • Healthcare benefits
- • Retirement savings program
- • Support for volunteering and donation efforts to build positive change in communities
- • Opportunity to work remotely from Ireland with occasional travel for team or project meetings
- • Access to Twilio Magic culture and values-driven work environment
Skills & Technologies
About Twilio Inc.
Twilio Inc. provides cloud-based communications platforms that enable developers to integrate voice, messaging, video, email, and authentication into applications via APIs. Founded in 2008, the company offers programmable services for SMS, voice calls, WhatsApp, email, and IoT connectivity, serving enterprises, startups, and communication service providers globally. Twilio operates a pay-as-you-go model, allowing customers to scale usage without managing underlying telecom infrastructure. The company is headquartered in San Francisco, California, and trades on the New York Stock Exchange under the symbol TWLO.
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