Principal Engineer, Threat Hunting
About The Position
The Principal Engineer, Threat Hunter serves on T-Mobile’s Continuous Hunting and Offensive Specialists (CHAOS) team, an offensive and defensive cybersecurity function. The role leads continuous, hypothesis- and intelligence-driven threat hunting, adversary emulation, and rapid-response vulnerability assessments across software, systems, and infrastructure to identify, validate, and drive remediation of risks before they can be exploited. The position collaborates with engineering teams to implement security measures across mobile devices, cloud services, and networks, including security assessments, code reviews, and vulnerability testing. Success is measured by the effectiveness of security controls, the strength of detection and response capabilities, and the reduction of vulnerabilities. The work supports organizational resilience against evolving threat actors and helps safeguard business operations and customer data. Travel is required.
Requirements
- Bachelor’s degree plus 7 years of related work experience, or an advanced degree plus 5 years of related experience.
- Acceptable areas of study include Computer Science or Information Technology.
- Knowledge and skills in artificial intelligence, cybersecurity, escalation management, threat modeling, security analysis, security automation, security consulting, security engineering, security incident management, and security technologies.
- At least 18 years of age.
- Legally authorized to work in the United States.
Nice To Haves
- 7–10 years conducting security assessments and vulnerability testing to identify and mitigate risks in digital environments.
- 7–10 years developing and implementing cybersecurity measures across technologies, including mobile and IoT devices, cloud services, and network technologies.
- 7–10 years leading and collaborating with engineering teams to improve security postures and advance strategic cybersecurity initiatives.
- Stakeholder management, information security, and information systems knowledge.
- CISSP, CCSK, CCSP, CISA, or CISM certification.
Responsibilities
- Conduct security assessments, code reviews, and vulnerability testing to identify and mitigate risks.
- Develop proactive security measures and strategies to enhance security across technologies.
- Collaborate with engineering teams to integrate security practices into software development and deployment processes.
- Serve as a cybersecurity subject matter expert, providing guidance and leadership to business units.
- Drive strategic security initiatives to protect against cyber threats and ensure compliance with security standards.
- Evaluate new technologies and processes for potential security vulnerabilities and recommend corrective actions.
- Perform other duties or projects as assigned by business management.
Benefits
- Annual stock grant and employee stock purchase plan.
- 401(k) and access to free, year-round money coaches.
- Annual bonus or periodic sales incentive or bonus, depending on role and eligibility.
- Medical, dental, and vision insurance.
- Flexible spending account.
- Paid time off and up to 12 paid holidays.
- Paid parental and family leave.
- Family building benefits, backup care, enhanced family support, and childcare subsidy.
- Tuition assistance and college coaching.
- Short- and long-term disability coverage.
- Voluntary AD&D, accident, life, disability, and long-term care insurance.
- Mobile service and home internet discounts for eligible employees.
- Pet insurance and access to commuter and transit programs.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
