T-Mobile

Principal Engineer, Cybersecurity

T-Mobile
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4 days ago
Bellevue, WA, USAStaff+
H1B sponsor

Base Salary

$128k - $231k/yr

Responsibilities

  • Lead device security assessments and penetration testing across IoT devices, CPEs, hotspots, trackers, routers, and modems.
  • Develop device security measures, solutions, strategies, and security controls.
  • Collaborate with device engineering teams and OEMs to integrate security into hardware, software, and deployment processes.
  • Conduct digital forensics on compromised or suspect devices and partner with threat response teams.
  • Drive cybersecurity initiatives, compliance efforts, and security posture improvements.
  • Define and evolve device security assessment methodologies, requirements, standards, and tooling roadmaps.
  • Mentor and upskill junior and mid-level security engineers.
  • Perform other duties and projects assigned by business management.

Requirements

  • Bachelor’s degree plus seven years of related work experience, or an advanced degree plus five years of related experience.
  • Degree concentration in Computer Science or Information Technology.
  • Three to five years of hands-on device security assessment and testing experience involving IoT devices, routers, modems, or similar embedded platforms.
  • Three to five years of experience with Ghidra, IDA Pro, dotPeek, Burp Suite, Nmap, hashcat, OllyDbg, or similar security tools.
  • Three to five years of knowledge of 4G LTE and 5G RAN and Core architecture, cloud environments, and containerized applications.
  • Preferred experience with Python, C++, C#, PHP, shell scripting, scalable systems, workflow automation, and AI tools such as ChatGPT and Claude.
  • Preferred seven to ten years of experience conducting security assessments, implementing cybersecurity measures, and leading cybersecurity initiatives.
  • Preferred CISSP, CISM, or CRISC certification.
  • Must be at least 18 years old and legally authorized to work in the United States.

Benefits

  • Medical, dental, and vision insurance; flexible spending account; 401(k); employee stock grants; employee stock purchase plan; paid time off; and up to 12 paid holidays.
  • Paid parental and family leave, family-building benefits, backup care, enhanced family support, childcare subsidy, tuition assistance, college coaching, and disability coverage.
  • Voluntary life, accident, disability, long-term care, and AD&D insurance options, plus pet insurance and commuter and transit programs.
  • Eligible employees may receive mobile service and home internet discounts.
  • This is a non-DOT-regulated, non-safety-sensitive role with no travel required.
  • The posting lists base pay ranges by location and a national base pay range of $127,800 to $230,700.

Tech Stack

T-Mobile

About T-Mobile

10,000+ employees

T-Mobile provides nationwide 5G and 4G LTE wireless services for consumers and businesses, along with fixed wireless home internet and IoT connectivity. It sells mobile plans, devices, and enterprise wireless solutions under the T-Mobile, Metro by T-Mobile, and Mint Mobile brands. Headquartered in Bellevue, WA, the company trades on NASDAQ as TMUS and is majority-owned by Deutsche Telekom.

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