Principal Cybersecurity Engineer - Cyber Threat ...

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 employeesAs a Principal Cybersecurity Engineer, you will be at the forefront of driving security initiatives within our Cyber Threat Intelligence (CTI) team Using your extensive expertise in cybersecurity, you will lead the charge in conducting comprehensive technical security assessments, engaging with threat actors, performing forensic examinations, and implementing rigorous vulnerability this pivotal role, you will serve as a trusted domain expert, guiding our vision and driving tangible results to fortify our security posture across various domains, including mobile devices, IoT devices, enterprise applications, cloud infrastructure, big data environments, core and carrier network technologies, and other critical business units as necessary.As the principal security advisor, you will collaborate closely with multi-functional teams to ensure the successful delivery of projects and services to our enterprise customers, providing invaluable insights and guidance to uphold the highest standards of security. Join us in shaping the future of cybersecurity and safeguarding our digital assets against emerging threats.Our team is dynamic where no day is the same, and we are a diverse and inclusive team passionate about growth and innovation If you're up to the challenge, apply todayJob ResponsibilitiesThe Principal Cybersecurity Engineer excels in optimizing multi-functional partnerships to meet customer requirements effectively, demonstrating leadership in organizing large-scale analysis efforts across departments. Using internal and external data resources, they make strategic business decisions and collaborate closely with key partners, fostering long-term leading information security reviews, this role works closely with Engineering & Operations Teams to address security vulnerabilities identified through PSIRTs, scans, or breaches. They proactively find opportunities for process or technology improvements within existing legacy applications or infrastructure, driving remediation vestigating security needs and recommending resolutions, the Principal Cybersecurity Engineer implements, tests, and monitors security improvements, ensuring robust defenses. They maintain visibility at the Executive level, working with various groups such as application support, engineering ops, finance, and risk management.Drawing upon significant experience in analyzing underlying technologies for threat identification and analysis, they proactively identify development areas and stay abreast of current trends to address major security issues. Playing a leadership role in implementing action plans, they lead security projects driven by both internal and external partners.Additionally, they mentor peers and junior team members, imparting expertise in security technologies, enterprise solution design, and effective customer interaction. With a deep understanding of various threat modeling approaches, they are an authority in network & information security, including Firewall policy design, SSL Certificate management, and vulnerability analysis & mitigation, ensuring an advanced understanding of IP/Security solutions applicable to the Wireless Network Architecture.Education and Work Experience:Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required) Relevant experience in lieu of degree might be considered.Acceptable areas of

Created: 2026-02-02