Twilio careers

Twilio careers

Staff Engineer - Offensive Security

Remote - US · Staff+

Sponsorship not specified$156k-$194kDetected 5 days ago
PythonC++BashiOSAndroidFull-Stack DevelopmentAWSAzureKubernetesTensorFlowLLMsCybersecurityPenetration TestingSIEMDetection EngineeringTest AutomationWiresharkCommunicationBurp SuiteNmap

About the role

  • As we continue to revolutionize how the world interacts, we're acquiring new skills and experiences that make work feel truly rewarding.
  • We use Artificial Intelligence (AI) to help make our hiring process efficient.

Responsibilities

  • Full-Stack Penetration Testing: Perform manual and automated testing of web applications, APIs, and mobile apps (iOS/Android).
  • Vulnerability Validation: Triage and validate reports from automated scanners or bug bounty hunters to eliminate false positives and escalate true positives
  • AI/LLM Probing: Perform initial prompt injection and jailbreak tests on AI prototypes, services, and applications using established checklists (OWASP Top 10 for LLMs).
  • Tool Maintenance: Manage and update the team's testing infrastructure (e.g., Burp Suite, and basic C2 listeners).
  • Remediation Support: Provide direct technical guidance to engineering teams on how to patch vulnerabilities like XSS, SQLi, and IDOR.
  • Adversary Emulation: Design and lead multi-week Red Team operations that mimic specific threat actors (APTs) to test the SIRT detection capabilities.
  • Custom Exploit Development: Build custom payloads, droppers, and obfuscated scripts to bypass EDR/AV and maintain stealth.
  • AI Red Teaming Architecture: Build automated testing frameworks for AI systems (e.g., using PyRIT, Promptfoo, or Garak) to test for models related to sensitive data leakage.
  • Purple Teaming: Collaborate with SIRT and Detection Engineering to tune SIEM alerts based on the techniques used during an engagement.
  • Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

Requirements

  • Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply.
  • Proficiency in multiple languages applicable to the region.
  • Familiarity with localization tactics to ensure our content is accessible and inclusive across multiple APJ countries.
  • Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.
  • Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!
  • Required:
  • Concepts: Expert Knowledge and solid understanding of the MITRE ATT&CK matrix and the OWASP Top 10 for web applications and top 10 for LLMs, post exploitation (lateral movement, persistence, data exfiltration) and Adversarial ML.
  • Tooling: Proficient in OffSec popular tools like Burp Suite professional, Nmap, Metasploit, Wireshark etc... and AI security tools such as LangChain, TensorFlow for adversarial testing or, as well as use of C2 frameworks (Cobalt Strike, Sliver, Havoc) or similar tools
  • Scripting and Coding: Ability to write functional scripts in Python or Bash to automate repetitive testing tasks and proficiency in coding and scripting like Python, C++, and scripting for creating custom offensive exploits that avoids signature-based detection.
  • Certifications: Possession of advanced industry certifications such as OSCP, OSEP, OSWE, GXPN or similar training in OffSec tracks is highly desirable
  • Desired:
  • Excellent written and verbal communication skills.
  • Ability to influence and build effective working relationships with all levels of the organization.

Nice to have

  • Telecom expertise is preferred

Skills

  • Your career at Twilio is in your hands.
  • That said, every hiring decision is made by real Twilions!
  • See yourself at Twilio
  • About the job
  • Conduct network and cloud level assessments with various tooling

Compensation

  • The estimated pay ranges for this role are as follows:
  • Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C.: $155,520.00 - $194,400.00.
  • Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $164,640.00 - $205,800.00.
  • Based in the San Francisco Bay area, California: $182,960.00 - $228,700.00.
  • The successful candidate's starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

Benefits

  • Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more.
  • health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

Company info

  • At Twilio, we're shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.
  • Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you're part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we're acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.
  • We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!
  • Join the team as Twilio's next Staff Offensive Security Engineer.
  • The Staff Engineer acts as a Technical Lead.
  • You don't just find bugs; you design complex attack chains that demonstrate systemic risk.
  • You spend as much time writing custom code and researching new bypasses as you do executing tests.
  • At Twilio, we're shaping the future of communications, all from the comfort of our homes.
  • We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.
  • Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you're part of a vibrant team with diverse experiences making a global impact each day.

Equal opportunity

  • Twilio is proud to be an equal opportunity employer.
  • equal opportunity employer.
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This listing is sourced directly from Twilio careers's careers page and normalized into a canonical job model.