Summer 2026 Finance Internship : Tax

T-Mobile is synonymous with innovation-and you could be part of the team that disrupted an entire industry! We reinvented customer service, brought real 5G to the nation, and now we’re shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding, so consider the career opportunity below as your invitation to grow with us, make big things happen with us, above all, #BEYOU with us. Together, we won’t stop!

Get hands-on experience, training-and a leg up on a bright future.

Job Posting Language to be added to all internship REQs :

Learn. Achieve. Build a Career.

T-Mobile is revolutionizing the wireless industry for millions of customers nationwide. Working here means rolling up your sleeves and redefining the status quo with a team that has your back every step of the way!

This is a 11-week paid learning experience during which you'll be able to connect and network with other interns and leaders within the company. We invite you to come innovate with mentors who will challenge you to develop meaningful skills. You'll contribute your creativity and outstanding ideas, while working alongside T-Mobile employees. We'll give you hands-on projects and the chance to create an immediate impact.

Work Location : Headquarters Bellevue, WA

Requested Degree Level : Undergraduate or Graduate

Requested Student Classification : Junior Year or Entering Graduate Program (MPAcc) (Class of 2027)

Finance at T-Mobile offers a fast-paced and team-focused environment that will grow your Finance and leadership skills as you help craft the success of the Un-carrier. You will work across the different functions at T-Mobile and make a difference in how we do business. The intern will have the opportunity to learn and participate in the income tax department’s tax return, financial reporting, and audit processes, making meaningful contributions to T-Mobile. Are you ready to join the Un-carrier?

What you will do

• Tax Return Preparation and Compliance : Assist with the preparation of workpapers to support federal and state income tax filings using Microsoft Excel, Dataverse, and Thompson Reuter’s Tax Software.
• Tax Reporting : Apply ASC 740 guidance to determine proper tax accounting treatment, including Uncertain Tax Positions, Valuation Allowance, and other quarterly disclosure reporting.
• Income Tax Audit Defense : Support federal and state income tax audits by preparing information request and notice responses and supporting schedules.
• Research and Analysis : Conduct tax research on federal and state regulations and assist with special projects, planning, and drafting of tax technical memorandum, as needed.
• Data Management and Automation : Participate in our ERP transformation (Project Elevate) by helping to streamline and improve income tax processes through automation, improved reporting, and better access to data.

Qualifications

Employer does not sponsor work visas for this position. Note that this also applies to individuals who are students in F-1 status who desire sponsorship after they complete their education.

Relocation may be provided to program participants who reside more than 50 miles from the internship location.

Intern wages range from $20 / hour to $40 / hour. The successful candidate's actual pay will be based on experience / location.

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.