Summer 2026 T-Mobile Secure Federal Operations – Finance Internship

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.

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 an 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.

This is a hybrid position required to be working in our Herndon, VA office at least 2 days a week.

What It’s Like

At T-Mobile Secure Federal Operations (TSFO), we focus on developing innovative solutions for sensitive customers within the U.S. Government. The TSFO Finance and Accounting team provides organizational support for all financial activities. These activities include, but are not limited to analyzing financial data, performing monthly general ledger close, preparing financial statements, budgeting and forecasting, pricing negotiations, and supporting accounts payable activities.

What You’ll Do

TSFO offers a fast-paced environment that will grow your finance and leadership skills as you help craft our success. You will work across the different functions at TSFO and make a difference in how we do business. The intern will have the opportunity to learn various accounting processes, supporting U.S. Government programs and contracts.

Key Responsibilities

Assist in the preparation of financial reports, statements, and supporting documentation. Support budgeting, forecasting, and variance analysis to help inform business decisions. Maintain and update financial records, spreadsheets, and internal accounting systems. Participate in month-end close processes, including reconciliations and journal entries. Develop cross-functional collaboration with multiple teams to support new deals and existing projects.

What It Takes

• Currently enrolled in a BS/BA program in Accounting, Finance, Business Administration, Economics, or a similar field.

• Interest in a career in telecommunications, law, or Government.

• Excellent Microsoft Office Suite skills.

• Outstanding data analysis, organizational, and prioritization skills with a strong attention to detail.

• Self-Starter: Takes initiative and drives projects forward with minimal supervision, proactively identifying opportunities for improvement and action.

• Teamwork: Collaborates effectively with peers and across teams to achieve shared goals/outcomes, fostering a culture of trust and accountability.

• Strong Communication Skills: Communicates with clarity, confidence, and professionalism.

• Works Well Independently: Demonstrates strong ownership and follow-through, effectively managing priorities and delivering results in a fast-paced environment.

• Critical Thinking: Applies sound judgment and analytical reasoning to evaluate information, solve complex problems, and make informed decisions.

• At least 18 years of age

• High School Diploma or GED

• Must be actively enrolled in a degree program

• Legally authorized to work in the United States

• US Citizenship (without dual citizenship) required

• Ability to obtain and maintain a US Government DoD Security Clearance if converted to a full-time position following the internship

• Ability to pass pre-employment drug test

Employees of T-Mobile or Metro by T-Mobile are ineligible for Summer Internships.

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.

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

T-Mobile requires U.S. citizenship for certain roles within the organization. This role requires U.S. citizenship. Individ