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Principal Engineer, Cybersecurity Data Loss Prevention

T-Mobile


Job Location:

Frisco, TX - USA

Monthly Salary: $ 127800 - 230700
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

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. Thats how were UNSTOPPABLE for our employees!

This role is critical to protecting T-Mobiles 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-Mobiles 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


Education and Work Experience

  • Bachelors 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: $127800 - $230700

Corporate Bonus Target: 20%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidates 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 employees 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 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 dont 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-Mobiles amazing benefits check out.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre unstoppable!

T-Mobile USA Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age race ethnicity color religion creed sex sexual orientation gender identity or expression national origin religious affiliation marital status citizenship status veteran status the presence of any physical or mental disability or any other status or characteristic protected by federal state or local law. Discrimination retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process please let us know by emailing or calling 1-. Please note this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.


Required Experience:

Staff IC


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