Security Engineer (Incident Response)

TL;DR

Security Engineer (Incident Response): Leading technical response to security events and incidents across global infrastructure with an accent on triage, containment, and remediation. Focus on automating security processes, enhancing threat mitigation capabilities, and driving post-incident improvements using cloud-native tools and AI.

Location: Must be based in Ireland or the U.K.

Company

Twilio is a global leader in cloud communications, empowering developers and businesses to build personalized customer experiences through innovative software solutions.

What you will do

• Lead and support the response to security events and incidents across complex global infrastructure.
• Develop and maintain runbooks and standard operating procedures to share knowledge across teams.
• Drive post-incident betterments to improve the overall security and reliability posture.
• Automate manual security processes using SOAR tools and SIEM platforms.
• Collaborate with R&D Engineering teams to solve complex security challenges.
• Participate in on-call rotations and conduct root cause analysis for security incidents.

Requirements

• Must be based in Ireland or the U.K.
• 3+ years of experience in security incident response within a production-cloud environment.
• Advanced knowledge of service-oriented architectures and cloud security tools.
• Experience with SIEM platforms and SOAR tools for automation.
• Proficiency in AWS, GCP, or other large cloud platforms.
• Ability to utilize AI for comprehensive security incident response and threat detection.

Nice to have

• Experience with AI model security, including preventing prompt injections and data poisoning.
• Knowledge of GenAI and LLM-based security use cases for threat response.
• Skills in forensic artifact collection and malware analysis.
• Experience with threat intelligence integration to proactively defend against emerging risks.

Culture & Benefits

• Competitive pay and retirement savings programs.
• Generous time off, parental leave, and wellness leave.
• Remote-first work culture with a focus on global inclusion.
• Opportunities for occasional in-person team meetings and customer connection.
• Support for volunteering and community impact initiatives.