Principal Engineer, Cybersecurity - Data Loss Prev

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! 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.

Job Responsibilities Conducts security assessmentsand testingtoidentifyand mitigate riskswithin current security tools, current AI, and emerging AI Architectsproactive security measures and strategies to enhance the security posture across various technologiesincluding Microsoft Purview, Zscaler, and Island Browser Collaborates with engineering teams to integrate security practices intodata posture, data security, andimplementation 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

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) 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)

Required Knowledge, Skills and Abilities Artificial Intelligence (AI) Cybersecurity Escalation Management Security Automation Security Engineering Security Incident Management Stakeholder Management Threat Modeling

Licenses and Certifications Certified Information Systems Security Professional (CISSP) (Preferred) Certified Information Security Manager (CISM) (Preferred) Certified in Risk & Informational Systems Control (CRISC) (Preferred)

At least 18 years of age Legally authorized to work in the United States

T-Mobile requires U.S. citizenship for certain roles within the organization. This role requires U.S. citizenship. Individuals hired into this role will be required to submit documentation proving U.S. citizenship within the first 7 days of hire - failure to do so will result in termination. Travel: Travel Required (Yes/No): No

DOT Regulated: DOT Regulated Position (Yes/No): No Safety Sensitive Position (Yes/No): No

The base pay range below is the National Pay Range - to find out the range for the location listed, please click on the link in the second paragraph below.** Base Pay Range: $127,800 - $230,700 Corporate Bonus Target: 20%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, click here.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don’t stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.