Staff Security Engineer, Threat Hunting

Twilio is hiring a Staff Security Engineer, Threat Hunting, to strengthen its Threat Detection and Response capabilities. The role focuses on building security tooling and automation, improving threat mitigation and incident response, and partnering with R&D teams to address technical security challenges.

Responsibilities:

• Be an Owner: Participate in daily operations tasks including, on-call rotation, architecting and developing well-engineered and performant detective tooling and automation, participating in applications/systems threat modeling, and participating in Incident Response activities
• Write It Down: Work with the team to align the Detection and Response vision and strategy, while engaging the team to develop and ship specific, multi-year roadmaps, programs, and projects, ensuring prioritization, resourcing, and timely delivery of work within a changing business environment
• Wear the customer’s shoes: Work cross-collaboratively to understand and help solve challenges related to a broad spectrum of threat actors and activity
• Ruthlessly Prioritize: Proactively identify areas that would most benefit the improvement of our business, inclusive of the Incident Response program and with consideration of company/organizational objectives
• Don’t Settle: Challenge the status quo; perform technology research, security research, and architecture reviews needed for a thorough understanding of the Twilio platform to understand what we are defending and how best to defend it
• Draw the Owl: Building systems and services to make the most complex security problems simple and frictionless
• Empower Others: Build, cultivate, and maintain positive relationships with internal customers to identify and facilitate solutions to increase the impact of the team’s work
• Be Inclusive: Provide mentorship, support, and care for the team in a way that enables long-term career development, happiness, and success at scale

Requirements:

• 3+ years of security engineering in a production-cloud environment
• Subject-matter expert on security issues and technologies
• Experience designing and building AI Agents and Agentic workflows
• Ability to utilize AI for comprehensive, complex threat hunting activities delivering high fidelity detections
• Experience detecting and responding to next generation, Artificial Intelligence threats following MITRE ATLAS (Adversarial Threat Landscape for Artificial-Intelligence Systems) or similar framework
• Advanced knowledge of service-oriented architectures, as well as experience with security tools and technologies fit for a cloud environment
• Experience working across a technology stack on difficult security challenges and initiatives
• Experience with SIEM platforms and the ability to extend their functionality
• Experience with SOAR tools and automating manual security processes
• Experience with infrastructure as code, such as Terraform or Cloudformation
• Experience in either AWS, GCP, or other large cloud platform
• Excellent written and verbal communication skills
• Ability to influence and build effective working relationships with every level of the organization
• BS in Computer Science, Engineering, or a related technical discipline or equivalent experience