Senior Security Engineer (Incident Response)

TL;DR

Senior 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, driving post-incident improvements, and leveraging AI to enhance threat mitigation capabilities.

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 security betterments and post-incident remediation efforts to improve overall system posture.
• Automate manual security processes using SOAR tools and integrate AI for threat detection.
• Collaborate with R&D and 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.
• Strong communication skills with the ability to influence stakeholders at all levels.

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 comprehensive healthcare coverage.
• Generous time off, parental leave, and wellness support.
• Retirement savings programs.
• Remote-first work culture with a focus on global inclusion and connection.
• Opportunities for volunteering and community impact through company-supported initiatives.