T-Mobile · 16 hours ago
Principal Cybersecurity Engineer - Cyber Threat Intelligence
Bellevue, WA
Full-time
Onsite
Senior Level, Lead/Staff
$128K/yr - $231K/yr
5+ years expT-Mobile is committed to investing in its employees and is seeking a Principal Cybersecurity Engineer to lead their Cyber Threat Intelligence (CTI) team. This role involves conducting technical security assessments, engaging with threat actors, and implementing vulnerability testing to enhance the company's security posture across various digital domains.
InternetMobileTelecommunicationsWireless
Responsibilities
The 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 relationships
In 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 efforts
Investigating 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
Qualification
Required
Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience
Relevant experience in lieu of degree might be considered
Acceptable areas of study include Computer Science or Information Technology
Risk Management Expertise in identifying, assessing, and mitigating cybersecurity risks in various digital environments
Technical Writing Ability to document security protocols and findings comprehensively for technical and non-technical stakeholders
Problem Solving Proficiency in troubleshooting and resolving complex security issues effectively
Collaboration Strong capability to work collaboratively with cross-functional teams to implement security measures
Strategic Thinking Ability to develop and implement long-term security strategies that align with business objectives
Leadership Strong leadership skills to guide and mentor teams in achieving robust cybersecurity defenses
Regulatory Compliance Deep understanding of cybersecurity regulations and standards to ensure compliance across all operations
Technology Management Proficiency in managing a diverse range of technologies, including mobile, IoT, cloud services, and network technologies
Analytical Skills Strong analytical skills to evaluate security systems and recommend enhancements
At least 18 years of age
Legally authorized to work in the United States
Preferred
7-10 years Conducting security assessments and vulnerability testing to identify and mitigate risks in digital environments
7-10 years Developing and implementing cybersecurity measures across various technologies including mobile and IoT devices, cloud services, and network technologies
7-10 years Leading and collaborating with engineering teams to enhance security postures and strategic cybersecurity initiatives
Proficient in conducting digital forensics investigations, including acquiring, analyzing, and preserving digital evidence from various sources (e.g., computers, mobile devices, network logs)
Experience with security tools such as SIEM, IDS/IPS, DLP, endpoint protection, and vulnerability scanners
Solid understanding of cloud security principles and standard processes (e.g., AWS, Azure, GCP)
Familiarity with a range of digital forensics tools and software (e.g., EnCase, FTK, Volatility, Wireshark) for data acquisition, analysis, and reporting
Proficient in analyzing the cyber threat landscape to identify emerging threats, tactics, techniques, and procedures (TTPs) used by threat actors
Certified Information Systems Security Professional (CISSP)
Certified Information Security Manager (CISM)
Certified in Risk & Informational Systems Control (CRISC)
Benefits
Medical, dental and vision insurance
Flexible spending account
401(k)
Employee stock grants
Employee stock purchase plan
Paid time off
Up to 12 paid holidays
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
Voluntary long-term care insurance
Mobile service & home internet discounts
Pet insurance
Access to commuter and transit programs
Company
T-Mobile
T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services. It is a sub-organization of Deutsche Telekom.
10001+ employees
H1B Sponsorship
T-Mobile has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (533)
2024 (457)
2023 (433)
2022 (674)
2021 (522)
2020 (320)
Funding
Current Stage
Public CompanyTotal Funding
$17.37B2026-01-05Post Ipo Debt· $2B
2025-10-06Post Ipo Debt· $2.8B
2024-09-23Post Ipo Debt· $2.5B
Leadership Team
John Saw
President of Technology, Chief Technology Officer
Peter Osvaldik
EVP & CFO
Recent News
PCMag.com - Technology Product Reviews, News, Prices & Tips
2026-01-25
Android Headlines
2026-01-24
2026-01-24
Company data provided by crunchbase