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. Principal Engineers, Software located in Bellevue, WA will detect and resolve problems by analyzing large amounts of data, defining new metrics and business cases, designing simulations and experiments, creating machine learning (ML) software and models, and collaborating with experts to develop closed-loop analytics and automation software solutions and reporting.

Position duties and responsibilities include, but are not limited to:

• Collaborate with software developers and system engineers to design, implement, and deploy software for ML solutions which meet customer requirements, scale easily, and support deployment in highly available environments.

• Perform datamining and modeling to discover insights, operationalizing models and identifying opportunities through the use of machine learning, algorithmic, and visualization techniques.

• Analyze large scale telemetry data and build models that predict failure of T-Mobile network assets, radios, FRU and basebands.

• Ability to think outside the box to develop new algorithms and methods for novel solutions to challenging business problems.

• Perform research and work with technical teams to implement new and emerging technologies that will facilitate better data integrity, reliability, and enrichment for quantitative solutions.

• Leverage the business objectives, systems, and data pipelines to operationalize ML in large-scale environments.

• Solve these problems using appropriate assumptions, methodologies, and current data science best practices, developing necessary software.

• Work with different teams to identify areas for efficiency improvements.

• Support ML projects from strategy through implementation and on-going improvements.

• Apply cost-effective ML tools and techniques to reduce operational ML costs by utilizing tools such as ML.Net, ONNX, or equivalent.

• Improve neural network model efficiency via parameter and structure tuning using various optimization methods, gird search and evolutionary optimization techniques.

• Perform data collection, data mining, analysis, validation, and cleansing.

• Develop software in support of multiple machine learning workflows and integrate and deploy code in large-scale production environments and execute reporting.

• Develop new and efficient analytical systems in F# and enhance and maintain existing ones.

• Develop software and dashboards to track application performance and insights.

• Lead the implementation, assessment, and standardization of toolkits for our data science, measurement science, insight management, and visualization teams.

• Provide senior-level guidance to the data science and measurement science teams on approaches and methodologies as a subject matter expert.

• Responsible for technology strategy, which will involve evaluating new and existing technology options that supports business goals.

• Position requires reporting to T-Mobile headquarters at 12920 SE 38th Street, Bellevue, WA 98006. Telecommuting is permitted 100% of the time. No additional national or international travel is anticipated.

Skill requirements:

• (1) Utilizing knowledge of machine learning algorithms, including Deep Learning, Multilayer Perceptron, Recurrent Neural Networks, Convolutional Networks, Auto Encoders, Variational Auto Encoders, Bayes Point Machine, Deep Semantic Networks, Fast Fourier Transform, Latent Dirichlet Allocation, Random Forest, Randomized PCA, Anomaly Detection, and Gradient Boosted Trees.

• (2) Deploying at least one of the following models for machine failure prediction: Classification or Anomaly Detection.

• (3) Utilizing Scala programming with Spark experience to perform complex processing of large-scale telemetry data over distributed clusters.

• (4) Utilizing F# programming language for constructing robust, high-performance, and efficient analytical systems.

• (5) Using machine learning model in construction and inference with ML.Net. (6) Experience with model structure and parameter tuning using Grid search and evolutionary optimization methods.

Experience and education requirements:

PRIMARY REQUIREMENTS: Bachelor’s degree in Computer Science, or a related field, or the foreign equivalent, and 7 years of related work experience.

ALTERNATIVE REQUIREMENTS: Master’s degree in Computer Science, or a related field, or the foreign equivalent, and 5 years of related work experience.

Additional:

• 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:
Travel Required (Yes/No): No

DOT Regulated:
DOT Regulated Position (Yes/No): No
Safety Sensitive Position (Yes/No): No

How to apply:

• Visit https://careers.t-mobile.com/

• Create a candidate profile and apply to REQ360742.

OTHER: Work hours: 40 hours/week. Washington Pay Range: $197,227.20 to $227,500.00/year.

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/.

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! 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.