Principal Engineer, Cybersecurity - Data Loss Prevention

T-Mobile•Frisco, TX

5d•$127,800 - $230,700•Onsite

About The Position

This role is critical to protecting T-Mobile’s digital assets by designing, implementing, and strengthening data protection capabilities across software, systems, cloud platforms, endpoints, and infrastructure. The role requires a strong understanding of how data is created, classified, managed, stored, accessed, transmitted, and retained across the enterprise, as well as the ability to identify risk and recommend practical remediation strategies. The individual will conduct security assessments, evaluate data protection gaps, and partner with engineering, technology, and business teams to implement scalable controls across mobile devices, cloud services, networks, and enterprise applications. Experience with Microsoft Purview is required, along with broader knowledge of leading data loss prevention, data security, and cybersecurity technologies. The ideal candidate will also bring insight into emerging AI security practices, including risks associated with sensitive data used by generative AI and machine learning applications, and provide informed recommendations on tools, controls, and operating practices that support T-Mobile’s evolving security journey. Success will be measured by the effectiveness of security controls, reduction of data exposure and vulnerabilities, and the ability to drive timely, sustainable remediation of data protection risks.

Requirements

Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required)
Acceptable areas of study include Computer Science or Information Technology. (Required)
Experience with Microsoft Purview is required
Broader knowledge of leading data loss prevention, data security, and cybersecurity technologies
Insight into emerging AI security practices, including risks associated with sensitive data used by generative AI and machine learning applications
At least 18 years of age
Legally authorized to work in the United States
U.S. citizenship

Nice To Haves

7-10 years Conducting security assessments and vulnerability testing to identify and mitigate risks in digital environments (Preferred)
7-10 years Developing and implementing cybersecurity measures across various technologies including mobile and IoT devices, cloud services, and network technologies (Preferred)
7-10 years Leading and collaborating with engineering teams to enhance security postures and strategic cybersecurity initiatives (Preferred)
Certified Information Systems Security Professional (CISSP) (Preferred)
Certified Information Security Manager (CISM) (Preferred)
Certified in Risk & Informational Systems Control (CRISC) (Preferred)

Responsibilities

Conducts security assessments and testing to identify and mitigate risks within current security tools, current AI, and emerging AI
Architects proactive security measures and strategies to enhance the security posture across various technologies including Microsoft Purview, Zscaler, and Island Browser
Collaborates with engineering teams to integrate security practices into data posture, data security, and implementation guidelines
Serves as an authority 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