Sr Data Scientists

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!

T-Mobile is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. Senior Data Scientists located in Bellevue, WA will lead the application of machine learning techniques and statistical methods to solve business problems.

• Drive the entire machine learning (ML) lifecycle, which includes conducting problem framing, data collection, exploratory data analysis, model development, deployment, and performance measurement.
  
• Extract, prepare and model large, complex data sets.
  
• Deliver on-time quality analysis, interpretation, and synthesis of data into effective, concise, and actionable recommendations that enable intelligent decisioning for the company.
  
• Provide senior-level guidance and mentorship to the data science team, including reviewing projects, models, and code for peers and junior team members.
  
• Leverage geospatial data.
  
• Work with engineering teams to implement and improve machine learning pipelines and production-ready models.
  
• Telecommuting is permitted, but applicant must work from the worksite location at least 3-4 days per week. No additional national or international travel is anticipated.
  

• (1) Leading requirements gathering, problem definition, exploratory data analysis, and Machine Learning modeling and deployment to solve operational issues;
  
• (2) Applying Statistical and Machine Learning modeling using Hypothesis Testing, Bayesian Modeling, Generalized Linear Models, Decision trees, Random Forest, Clustering, and Natural Language Processing;
  
• (3) Developing Machine Learning model pipelines in Python using Pandas, Matplotlib, Seaborn, Scikit-Learn, and Gensim; and in R using Datatable, Ggplot2, GLM, Caret, BRMS, and CMDStan;
  
• (4) Working with SQL to extract and explore large scale data to create datasets to augment operations and decision-making;
  
• (5) Working cross-functionally to develop and deploy Machine Learning Models in production environment; and
  
• (6) Preparing project documentation to highlight methodologies and recommendations using writeups, graphs, and presentations to streamline and enhance business decision-making.
  

PRIMARY REQUIREMENTS: Master’s degree in Statistics, Information Management, or related, and 3 years of relevant work experience.

ALTERNATIVE REQUIREMENTS: Bachelor’s degree in Statistics, Information Management, or related, and 5 years of relevant work experience.

• Location: Bellevue, WA
  
• This position is eligible for the employee referral program.
  
• At least 18 years of age
  
• Legally authorized to work in the United States
  

Travel Required (Yes/No): No

DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No

• Visit www.tmobile.jobs.
  
• Create a candidate profile, and apply to REQ328206.
  

The pay range above is the general base pay range for a successful candidate in the state listed. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience.

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, while Retail and Business Sales roles are eligible for monthly or quarterly sales incentives. And since we are ALL owners, EVERY employee at T-Mobile is eligible for an Annual Stock Grant. For information about T-Mobile’s amazing benefits, check out https://careers.t-mobile.com/culture-and-benefits/.

Candidate’s pay will be based on various factors, such as work location, qualifications, and experience. 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.

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!

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 ing 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.

T-Mobile maintains a drug-free workplace.

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Job title

Sr Data Scientists

Position Type

Full Time

Date Posted

2025-08-07

Primary Quest ID

PRIMARY_EXTERNAL_QUESTIONNAIRE_V3

Second Quest ID

Job Classification

Professional

Brand

T-Mobile USA, Inc.

Career area

Information Technology

Location(s)

3625 132nd Ave SE, Bellevue, Washington, 98006

Job ID

REQ328206