{"id":2983772,"url":"https://alion.io/job/t-mobile-sr-data-scientists","title":"Sr Data Scientists","company":{"id":19639,"name":"T-Mobile","domain":"t-mobile.com","url":"https://alion.io/company/t-mobile-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":8,"computed_at":"2026-10-24T06:02:35Z"}},"role":"HR","role_family":"HR","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Bellevue, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":166036,"max":171036,"currency":"USD","period":"year","gross":null,"usd_annual":171036},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"A/B Testing","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Tableau","optional":false},{"name":"Time Series","optional":false}],"status":"live","first_seen_at":"2026-10-21T08:06:12Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-22T03:46:54Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"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!\nPosition summary: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. Sr Data Scientists is located in Bellevue, WA will develop forecasting models to predict marketing performance, budget allocation impacts, and long-term customer acquisition trends.\n• 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.\nPosition duties and responsibilities include, but are not limited to:\nUse Python to diagnose and resolve statistical model failures due to data or code issues.\nUse Python and SQL to monitor statistical model outputs to assess accuracy and detect signs of drift.\nInvestigate causes of accuracy performance changes and flag concerns.\nRun and analyze scenario-based forecasts to support business planning using Tableau and Power BI.\nCollaborate with marketing, finance, and analytics teams to translate model insights into business strategies that drive ROI improvements.\nWork closely with data engineers to scale and automate model deployment, integrating ML solutions into production environments.\nStay at the forefront of AI & ML innovations in marketing measurement, driving technical advancements and thought leadership within the team.\nMinimum requirements:\nExperience and education requirements:\nPRIMARY REQUIREMENTS: Master’s degree or foreign equivalent in Business Analytics, Economics, Engineering, Physics, Mathematics, Statistics, or related, and 3 years of relevant work experience in any occupation in which the required experience is gained.\nALTERNATIVE REQUIREMENTS: Bachelor’s degree or foreign equivalent in Business Analytics, Economics, Engineering, Physics, Mathematics, Statistics, or related, and 5 years of relevant work experience in any occupation in which the required experience is gained.\nSkills requirements: Requires experience in each of the following:\n1. Utilizing Python and R for building, training, validating, and maintaining statistical and machine-learning models in production environments, including diagnosing model failures and performance degradation.\n2. SQL and cloud platforms: AWS, GCP and Azure for scalable data ingestion, transformation, and analytical workflows.\n3. Marketing and media analytics, including media attribution performed using Google Marketing Platform and Adobe Analytics, and causal inference methodologies: Bayesian structural time series frameworks, media holdout testing, and advanced media mix optimization techniques.\n4. Understanding and interpreting results from predictive analytical models developed using machine-learning and statistical modeling frameworks, including regression and decision-tree techniques, by applying goodness-of-fit metrics, drift diagnostic, scenario testing, and sensitivity analysis.\n5. Designing and executing statistical validation, hypothesis testing, and experimentation frameworks, utilizing Python and R-based statistical libraries and controlled A/B testing frameworks to assess model performance, quantify uncertainty, and support high-stakes business decisions.\n6. Building business reports and dashboards using Tableau or PowerBI to standardize reporting and identify optimization opportunities that drive desirable business outcomes.\nAdditional:\nLocation: Bellevue, WA\nTelecommuting 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.\nThis position is eligible for the employee referral program.\nHow to apply:\n· Visit https://www.t-mobile.com/careers\n· Create a candidate profile, and apply to requisition number: REQ375928\nOTHER: Work hours: 40 hours/week. Salary: $166,036 to $171,036 per year.\n· 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.\n· 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\nhttps://careers.t-mobile.com/culture-and-benefits .\nAt least 18 years of age\nLegally authorized to work in the United States\n Travel:\nTravel Required (Yes/No): No\nDOT Regulated:\nDOT Regulated Position (Yes/No): No\nSafety Sensitive Position (Yes/No): No\nCandidate’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.\nAt 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.\nNever 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, genetic information, 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  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.","description_format":"text","description_chars":8703,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Mobile Networks","Broadband"],"lifecycle":[{"event":"open","at":"2026-10-21T08:06:12Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 427 · green card filings: 130","filings_12m":427,"filings_prev_12m":487,"green_card_filings_12m":130,"median_offered_wage_usd":148667,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":71,"band":"hot","label":"Hiring now","p_open":0.9,"p_active":0.877,"p_room":0.9,"age_days":2,"expected_fill_days":8,"reasons":["conf:50","velocity","win:mid","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":171036,"is_top_pay":true},"html_url":"https://alion.io/job/t-mobile-sr-data-scientists","json_url":"https://alion.io/job/t-mobile-sr-data-scientists.json","meta":{"generated_at":"2026-10-24T21:16:48Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":31189,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":19639},"rest":"https://alion.io/mcp/rest/get_company?id=19639"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ft-mobile-sr-data-scientists"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ft-mobile-sr-data-scientists"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ft-mobile-sr-data-scientists"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/t-mobile-sr-data-scientists\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ft-mobile-sr-data-scientists"}]}