Demo

Cybersecurity Engineer - Insider Threat

T-Mobile
Bellevue, WA Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 2/7/2026
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 employees!

As an Engineer, you will be at the forefront of driving security initiatives within our Insider Threat Program team. Using your extensive expertise in cybersecurity, you will lead the charge in conducting comprehensive technical security assessments, analyzing alerts, and investigating insider threat related activity.

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 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 today!


Job Responsibilities

  • Analyze and investigate alerts through the alert lifecycle
  • Improve process efficiency by creating and implementing creative and sustainable changes to existing investigation methodologies
  • Identify and implement recommendations for security and data security improvements
  • Implement, test & monitor info security improvements
  • Maintain transparency inside & outside of information security at the People management level.
  • Communicate with groups such as application support, engineering ops, finance, privacy, risk management, etc.
  • Lead information security policy lifecycle throughout, including intake, creation, review, approval, implementation, publishing, communication & maintenance
  • Implement security projects driven by groups both internal and external to info security
  • Analysis of underlying technologies that form the solution vital for the application of threat identification, analysis, and thread model design
  • Threat model to depict trust boundary, threat agent(s), threat vector(s), and safeguard(s) necessary to protect person, asset, data, and T-Mobile brand



Qualifications

Education

Bachelor's Degree in Computer Science or Information Technology plus 2 years of related work experience OR combination of education and experience deemed equivalent


Required

Skills and Experience

  • 2-4 years of experience in info security technology or related field
  • 2-4 years of experience implementing and managing cybersecurity measures in a large-scale environment
  • 2-4 years of experience with security technologies such as firewalls, intrusion detection systems, and encryption
  • 2-4 years of technical project management within cybersecurity frameworks.
  • Regulatory Compliance - Deep understanding of cybersecurity laws and regulations to ensure the organization meets all compliance requirements.
  • Collaboration - Ability to work effectively with cross-functional teams to enhance cybersecurity measures and response strategies.
  • Problem Solving - Strong analytical skills to solve complex cybersecurity issues and enhance system security.



Strongly Preferred

  • Experience with incident handling for insider threat related incidents
  • Risk Management - Expertise in identifying, evaluating, and mitigating risks in cybersecurity to protect organizational data and infrastructure.
  • Systems Knowledge – Experience with Microsoft security tools, Zscaler, Splunk
  • Technical Writing - Ability to document cybersecurity processes, incidents, and protocols clearly and effectively for various audiences.
  • Moderate to advance knowledge of Scripting tools (Python/Perl/Shell/HTML/PHP)
  • Knowledge of federal & compliance regulations e.g. SOX, PCI & CPNI
  • Solid understanding of T-Mobile’s network elements and how they work together (EIT, Engineering & 3rd Party)
  • In-depth knowledge of security standard methodologies in large-scale environments
  • Experience with implementation of various threat modeling approaches pertaining to one or more of the following STRIDE, PASTA, TRIKE, ATTACK TREE, DREAD, KILL CHAIN, CAPEC, Mobile Application threat model, Cyber Threat Tree, and data flow diagram


Licenses and Certifications

  • Certified Information Systems Security Professional (CISSP)
  • CISSP and/or CCSK and/or CCSP and/or CISA/CISM certification a plus
  • At least 18 years of age
  • Legally authorized to work in the United States


Travel:

Travel Required (Yes/No): No

DOT Regulated:

DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No

Base Pay Range: $79,900 - $144,100

Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, copy and paste this link into your browser: https://paylookup.t-mobile.com/paylookup?reqID=REQ340349

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - 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, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.

Never stop growing!

As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.

Salary : $79,900 - $144,100

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