Senior Security Engineer, Incident Response

Twilio is a communications technology company that delivers solutions enabling businesses and developers to create personalized customer experiences. The Senior Security Engineer, Incident Response will lead technical responses to security events across Twilio’s global infrastructure, services, and applications, while driving triage, containment, remediation, automation, and post-incident improvements.

Responsibilities:

• Be an Owner: Lead and support the response to all security events and incidents across Twilio’s complex global infrastructure, services and applications
• Write It Down: Be responsible for documentation of incidents and projects you work on and craft best practices as runbooks and standard operating procedures to share knowledge across teams
• 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: Work to improve Twilio’s security and reliability posture by driving identified betterments from security events and incidents
• Don’t Settle: Rapidly acquire new technical skills and knowledge in a fast-paced, highly disruptive industry environment
• Draw the Owl: Own the security incident lifecycle, respond to incidents and participate in on-call rotation and participate in RCAs for security incidents
• 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:

• Proven experience: 5+ years of security incident response in a production-cloud environment
• Subject-matter expert on security issues and technologies
• Ability to utilize AI for comprehensive, complex security incident response activities delivering high fidelity detections
• 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 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
• This role will be remote,but is not eligible to be hired in CA, CT, NJ, NY, PA, WA
• For this role, you may be required to travel occasionally to participate in project or team in-person meetings
• AI Model Security & Posture Management: Support Implementation of  controls and safeguards to prevent AI vulnerabilities, such as prompt injections, model evasion, and data poisoning
• AI-Driven Threat Response: Utilize GenAI and LLM-based security use cases to rapidly interpret alerts, reduce false positives, and contextualize threat data
• Artifact & Evidence Triage: Collects intrusion artifacts and forensically sound images to analyze malware, trojans, and source code
• Threat Intelligence Integration: Monitors external vendor data and threat intelligence to analyze trends and proactively defend against emerging risks