Principal Engineer, Cybersecurity

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This role is critical for protecting digital assets by ensuring robust cybersecurity across software, systems, and infrastructure. It involves conducting device security assessments, code reviews, and vulnerability testing to identify and mitigate risks. The role collaborates with engineering teams and OEMs to implement security measures for mobile and IoT devices including CPEs, hotspots, trackers, routers and modems . Success is measured by the effectiveness of security controls and the reduction of vulnerabilities. The work enhances organizational resilience against cyber threats and safeguards critical business operations and customer data. Job Responsibilities : Lead end-to-end device security assessments and penetration testing across IoT, CPEs, hotspots, trackers, routers, and modems to identify and mitigate risks Develops proactive device security measures, solutions, and strategies to enhance the security posture across various technologies Collaborates with device engineering teams and OEMs to integrate security practices into hardware and software development including deployment processes Conducts digital forensics on compromised or suspect devices to determine root cause, scope, attacker methodology and partners with threat response teams Drives strategic security initiatives to protect against cyber threats and ensure compliance with security standards Define and evolve T-Mobile's device security assessment methodology, requirements, standards, and tooling roadmap Mentor and upskill junior and mid-level security engineers on device security techniques and best practices Also responsible for other duties/projects as assigned by business management as needed Education and Work Experience : 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) 3-5 years of demonstrated hands-on experience conducting device security assessments and testing on IoT devices, routers, modems, or similar embedded platforms (Required) 3-5 years of proficiency in using security tools (Ghidra, IDA Pro, dotPeek, Burpsuite, Nmap, hashcat, OllyDbg, etc.) (Required) 3-5 years of hands-on knowledge of 4G LTE and 5G architecture (RAN and Core) including cloud environments, and containerized applications 3-5 years of proficient experience in Python, C++, C#, PHP, and shell scripting, with experience building scalable systems and automating workflows and familiarity with AI tools (ChatGPT, Claude) (Preferred) 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) Knowledge, Skills and Abilities : Artificial Intelligence (AI) (Required) Leadership: Strong leadership skills to guide and mentor teams in achieving robust cybersecurity defenses (Required) Collaboration: Strong capability to work collaboratively with cross-functional teams to implement security measures. (Required) Problem Solving: Proficiency in troubleshooting and resolving complex security issues effectively. (Required) Strategic Thinking: Ability to develop and implement