Principal Engineer, Threat

# Principal Engineer, Threat HuntingT-Mobile  
· t-mobile.com Category:
Detection & Response

Location:

Bellevue, Washington
· Overland Park, Kansas
· Frisco, Texas Level:
Staff / Principal Salary:
$127,800 – $276,840## Quality of life

What the posting states. Hover or tap a perk to see the line it came from.
* Paid parental leave
* Learning budget
* Equity At T-Mobile, we invest in YOU!  Our Total Rewards Package ensures that employees get the same big love we give our customers.  All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches.

That’s how we’re UNSTOPPABLE for our employees!

Job Overview The Principal Engineer, Threat Hunter is critical to protecting T-Mobile’s digital assets, serving on the Continuous Hunting and Offensive Specialists (CHAOS) team, T-Mobile’s elite offensive and defensive cybersecurity function. You will lead continuous, hypothesis- and intelligence-driven threat hunting, adversary emulation, and rapid-response vulnerability assessments across software, systems, and infrastructure to proactively identify, validate, and drive remediation of risks before adversaries can exploit them.

You will collaborate 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. Your work enhances organizational resilience against evolving threat actors and safeguards critical business operations and customer data.

Job Responsibilities:

Conducts security assessments, code reviews, and vulnerability testing to identify and mitigate risks

Develops proactive security measures and strategies to enhance the security posture across various technologies

Collaborates with engineering teams to integrate security practices into software development and deployment processes

Serves as a subject matter expert in cybersecurity, providing guidance and leadership to various business units

Drives strategic security initiatives to protect against cyber threats and ensure compliance with security standards

Evaluates new technologies and processes for potential security vulnerabilities and recommends corrective actions

Also responsible for other duties/projects as assigned by business management as needed

Required Qualifications:

Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience

Acceptable areas of study include Computer Science or Information Technology.

Preferred Qualifications:

7-10 years Conducting security assessments and vulnerability testing to identify and mitigate risks in digital environments7-10 years Developing and implementing cybersecurity measures across various technologies including mobile and IoT devices, cloud services, and network technologies7-10 years Leading and collaborating with engineering teams to enhance security postures and strategic cybersecurity initiatives

Required Knowledge, Skills, and Abilities:

Artificial Intelligence (AI)
Cybersecurity Escalation Management Threat Modeling Security Analysis Security Automation Security Consulting Security Engineering Security Incident Management Security Technologies Stakeholder Management (Preferred)
Information Security (Preferred)
Information Systems (Preferred)
License/Certification (Preferred):

CISSP and/or CCSK and/or CCSP and/or CISA/CISM certification a plus

We pride ourselves on encouraging a culture of…