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Twilio is hiring a Senior Engineer, Offensive Security

About the Role

This position is responsible for conducting advanced security assessments, simulating adversarial attacks, and driving improvements in defensive capabilities to protect critical infrastructure and customer data.

Responsibilities

  • Perform red team operations to evaluate the effectiveness of existing security controls
  • Conduct penetration tests across web applications, APIs, and cloud environments
  • Identify and exploit security weaknesses to provide actionable remediation guidance
  • Collaborate with development teams to resolve identified vulnerabilities
  • Develop custom tools and automation for offensive security testing
  • Maintain up-to-date knowledge of emerging threats and attack methodologies
  • Deliver detailed reports on findings with risk-based prioritization
  • Support incident response by providing insights from offensive testing
  • Advocate for secure design principles during product development
  • Assist in refining security standards and testing frameworks
  • Lead complex security assessments involving multiple systems or services
  • Mentor junior team members in offensive security techniques
  • Participate in architecture reviews to identify potential security flaws
  • Simulate real-world attack scenarios to test detection and response capabilities
  • Work cross-functionally to integrate security into CI/CD pipelines

Compensation

Competitive salary and benefits package

Work Arrangement

Hybrid work model with flexibility based on location and role needs

Team

Part of the security engineering team focused on proactive threat identification and system hardening

Why This Role Matters

  • Security is embedded in every layer of the platform, and offensive testing ensures defenses are continuously challenged and improved.
  • This role directly contributes to maintaining trust by proactively uncovering risks before they can be exploited.

What We Value

  • Curiosity and persistence in uncovering hidden vulnerabilities
  • Ethical approach to security testing with a focus on improvement
  • Collaborative mindset when working with engineering and operations teams
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Twilio
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Posted an hour ago