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Principal Engineer, Cybersecurity

https://www.t-mobile.com Logo

T-Mobile

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Location:
United States , Overland Park

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Contract Type:
Not provided

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Salary:

127800.00 - 230700.00 USD / Year

Job Description:

The Cybersecurity Principal Engineer will help ensure that our software, systems and infrastructure are designed and implemented to the highest security standards. Performs technical security assessments, code reviews and vulnerability testing to highlight risk and remediate associated findings while helping T-Mobile teams and partners improve security. Works closely with other T-Mobile Engineers to design and build proactive methods to enhance our security posture. This position serves as a subject matter expert which drives vision and results to enhance security posture within mobile device, IoT device, enterprise line of business applications, cloud, big data, Identity and core and carrier network technologies as well as and other business units as needed. Principal security advisor to cross-functional teams for the successful delivery of projects or services to enterprise customers.

Job Responsibility:

  • Optimizes cross-functional partnership to successfully address customer requirements
  • Leads / organizes large scale analysis efforts spanning multiple departments
  • Leads information security review of new technologies, designs, and remediation planning efforts
  • Collaborates with Engineering & Operations Teams to address security vulnerabilities
  • Proactively identifies process or technology improvements within existing legacy applications or infrastructure and seeks out remediation
  • Investigates and/or leads identifying security needs & recommends plans/resolutions
  • Maintains visibility inside & outside of information security at the Executive (Director/Sr Director) level
  • Significant experience with the analysis of underlying technologies for threat identification, analysis, and thread model design
  • Proactively identifies areas that need to be developed and seeks out expertise in those areas
  • Leads security projects driven by groups both internal and external to info security
  • Mentors, peers and junior team members in security technologies, enterprise solution design, SDLC facilitation and effective customer interaction
  • Significant experience with implementation of various threat modeling approaches
  • Advanced understanding of IP/Security solutions & technologies applicable to the Wireless Network Architecture

Requirements:

  • Bachelor's Degree, Computer Science, or Information Technology (required)
  • 7-10 years’ Experience with increasing responsibility with security related software and/or business process design (Required)
  • 4-7 years’ Experience with the following: project/team lead, formal implementation SDLC, facilitation of cross-functional solution design teams
  • 4-7 years’ Technical Project Management
  • Previous Leadership experience
  • Be subject matter expert in multiple security subject areas
  • Experience with high level design architecture, security technologies, networking, web services and SOA
  • Subject matter expert in all facets of network & information security, including Firewall policy design, SSL Certificate management, vulnerability analysis & mitigation
  • Significant knowledge of current technological trends and developments in the area of info security
  • Ability to create technical specification and requirements and work independently and with no direction/supervision
  • Strong verbal and communication skills with diverse cross functional groups
  • Always act with tact and integrity
  • Self-motivated and able to work under tight timelines
  • Strong problem solving / troubleshooting skills
  • Ability to plan, organize and prioritize tasks
  • In-depth knowledge of security best practices in large-scale environments
  • Strong presentation skills
  • Understanding load balancers (ex – A10, F5), firewalls (ex – CheckPoint), Venafi, MDM (ex - Mobile Iron), Cloud (ex - AWS, Azure), Malware Protection (ex -FireEye), Advanced Persistent Threats (ex - Damballa), Privileged Accounts (ex – CyberArk), SIEM (ex – ArcSight), Log & Event (ex – Splunk), Intrusion IDS/IPS (ex – Symantec), Cloud Platform (ex – PCF, Docker), Scanning (ex – Qualys), AppSec (ex - Veracode)
  • Expert understanding of T-Mobile’s network elements and how they work together (EIT, Engineering & 3rd Party)
  • Advance knowledge of Scripting tools (Python/Perl/Shell/HTML/PHP)
  • Knowledge of federal & compliance regulations e.g. SOX, PCI & CPNI
  • At least 18 years of age
  • Legally authorized to work in the United States

Nice to have:

CISSP and/or CCSK and/or CCSP and/or CISA/CISM certification a plus

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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