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Principal Engineer, Cyber Threat Intelligence | Deception

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T-Mobile

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Location:
United States , Bellevue

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Contract Type:
Not provided

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Salary:

127800.00 - 230700.00 USD / Year

Job Description:

As 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 testing. In 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.

Job Responsibility:

  • Lead the charge in conducting comprehensive technical security assessments, engaging with threat actors, performing forensic examinations, and implementing rigorous vulnerability testing.
  • Serve as a trusted domain expert, guiding our vision and driving tangible results to fortify our security posture across various domains.
  • Collaborate closely with multi-functional teams to ensure the successful delivery of projects and services to our enterprise customers.
  • Optimizing multi-functional partnerships to meet customer requirements effectively, demonstrating leadership in organizing large-scale analysis efforts across departments.
  • Leading information security reviews, this role works closely with Engineering & Operations Teams to address security vulnerabilities identified through PSIRTs, scans, or breaches.
  • Proactively find opportunities for process or technology improvements within existing legacy applications or infrastructure, driving remediation efforts.
  • Investigating security needs and recommending resolutions, implements, tests, and monitors security improvements, ensuring robust defenses.
  • Maintain visibility at the Executive level, working with various groups such as application support, engineering ops, finance, and risk management.
  • Playing a leadership role in implementing action plans, they lead security projects driven by both internal and external partners.
  • Mentor peers and junior team members, imparting expertise in security technologies, enterprise solution design, and effective customer interaction.

Requirements:

  • Bachelor's Degree Computer Science or Information Technology or equivalent work experience
  • 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
  • Be authority in multiple security subject areas
  • Experience with high level design architecture, security technologies, networking, web services and SOA.
  • Domain expert in all facets of network & information security, including firewall policy design, SSL Certificate management, vulnerability analysis & mitigation, and other topics as assigned
  • At least 18 years of age
  • Legally authorized to work in the United States
  • U.S. citizenship

Nice to have:

  • 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) CISSP and/or CCSK and/or CCSP and/or CISA/CISM certification a plus
  • Certified Information Security Manager (CISM)
  • Certified Information Systems Auditor (CISA)
What we offer:
  • Competitive base salary and compensation package
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Access to free, year-round money coaches
  • Medical, dental and vision insurance
  • Flexible spending account
  • 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

Additional Information:

Job Posted:
January 07, 2026

Employment Type:
Fulltime
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