Staff Security Engineer

Responsibilities

• Participate in daily security operations, including on-call rotation, threat modeling, and incident response.
• Architect and develop performant detective tooling, automation, systems, and services.
• Define Detection and Response strategy and deliver multi-year roadmaps, programs, and projects.
• Prioritize improvements to the Incident Response program and broader security operations.
• Conduct technology and security research and architecture reviews across the Twilio platform.
• Collaborate with internal customers to understand and solve challenges involving diverse threat actors and activity.
• Mentor and support team members and build effective internal relationships.

Requirements

• 3+ years of security engineering experience in a production cloud environment.
• Subject-matter expertise in security issues and technologies.
• Experience designing and building AI agents and agentic workflows.
• Ability to use AI for complex threat hunting and high-fidelity detections.
• Experience detecting and responding to AI threats using MITRE ATLAS or a similar framework.
• Advanced knowledge of service-oriented architectures and cloud security technologies.
• Experience addressing difficult security challenges across a technology stack.
• Experience with SIEM platforms and extending their functionality.
• Experience with SOAR tools and automating manual security processes.
• Experience with infrastructure as code, such as Terraform or CloudFormation.
• Experience with AWS, Google Cloud, or another major cloud platform.

Nice-to-haves

• Excellent written and verbal communication skills.
• Ability to influence and build effective relationships across organizational levels.
• Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or equivalent experience.

Compensation and benefits

• Salary ranges vary by eligible U.S. location:
  • Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont, or Washington, D.C.: $155,520–$194,400.
  • New York, New Jersey, Washington State, or California outside the San Francisco Bay Area: $164,640–$205,800.
  • San Francisco Bay Area, California: $182,960–$228,700.
• May be eligible for equity and a corporate bonus plan.
• Benefits include healthcare insurance, 401(k), paid sick time, paid personal time off, and paid parental leave.
• Occasional travel may be required for project or team meetings.