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!
Job Overview
About the Team
The Network Data & AI team builds the data platforms, data products, and AI-powered solutions that empower data-driven decisions and transform network operations, customer experience, and engineering productivity across T-Mobile.
Our team develops enterprise-scale capabilities that collect, process, analyze, and operationalize network and device data to deliver trusted analytics, intelligent automation, and AI-powered insights. These capabilities enable engineering and business organizations to make faster, better-informed decisions supporting network planning, customer experience, device intelligence, geospatial intelligence, and AI-driven innovation.
Our mission is to solve complex engineering challenges by building scalable AI, software, and data solutions that create measurable business value while advancing intelligent automation and engineering excellence.
About the Role
The Principal Engineer serves as a senior technical leader responsible for designing, building, and evolving enterprise-scale AI, software, and data platforms that power T-Mobile's Network Data & AI initiatives. This role architects intelligent systems that transform network, device, and customer data into trusted data products, AI-powered solutions, and automated workflows supporting engineering, business operations, and executive decision-making.
Working at the intersection of artificial intelligence, software engineering, cloud computing, and distributed systems, the Principal Engineer develops reusable AI services and platform capabilities—including Generative AI, Retrieval-Augmented Generation (RAG), Agentic AI, and enterprise knowledge systems—that accelerate intelligent automation, engineering productivity, and AI adoption across the Network Data & AI organization.
This role requires a highly collaborative technical leader who combines hands-on software engineering with strategic architectural thinking to solve complex technical challenges, evaluate emerging technologies, and influence technical direction across multiple engineering teams.
Success is measured by delivering scalable, secure, and highly available AI platforms, software solutions, and data products that improve operational efficiency, enable intelligent automation, support strategic business initiatives, and deliver measurable business value.
What You'll Do
As a Principal Engineer, you will:
Education and Work Experience:
Required Knowledge, Skills and Abilities
Preferred Qualifications
Experience working with large-scale data platforms, AI-powered applications, analytics platforms, or network data environments is highly desirable.
Technology Environment
You'll have the opportunity to work with technologies including:
Artificial Intelligence
Software Engineering
Cloud & Data
Success in This Role
Successful Principal Engineers:
Why Join the Team
This is an opportunity to help shape the future of AI-powered software and data platforms supporting one of the largest and most advanced telecommunications networks in the world.
Licenses and Certifications:
Travel:
Travel Required (Yes/No): No
DOT Regulated:
DOT Regulated Position (Yes/No): No
Safety Sensitive Position (Yes/No): No
Base Pay Range: $150,700 - $271,900
Corporate Bonus Target: 20%
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, https://paylookup.t-mobile.com/paylookup?reqID=REQ360900¶dox=1
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.
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