Summer 2026 Voice Network Internship

T-Mobile is synonymous with innovationand you could be part of the team that disrupted an entire industry! We reinvented customer service brought real 5G to the nation and now were 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 wont stop!

Get hands-on experience trainingand a leg up on a bright future.

What Its Like

The IMS (IP Multimedia Subsystem) team within T-Mobiles Network Technology organization plays a critical role in enabling and evolving the core network services that power voice and messaging for millions of users. By architecting and supporting scalable resilient IMS infrastructure the team ensures seamless high-quality communication experiences across the country. From launching next-gen services like VoLTE and VoNR to integrating automation and AI for operational efficiency IMS directly drives service innovation and reliability. The teams work is foundational to T-Mobiles ability to deliver differentiated customer experiences and maintain its leadership in network performance.

What Youll Do

• Define validate and maintain system and functional requirements in collaboration with internal stakeholders and external vendors.

• Engage with vendor teams to identify and document key platform capabilities dependencies and integration needs.

• Support functional testing and quality assurance activities ensuring key features meet performance and reliability expectations.

• Develop and execute automation scripts data queries and configuration tools using appropriate languages and platforms to support network operations or feature validation.

• Document technical designs and decisions using Confluence and prepare clear concise presentations for review with leadership and technical teams.

• Collaborate cross-functionally with Design QA and Operations teams to drive alignment and support end-to-end solution delivery.

• Perform additional technical tasks or contribute to special projects as assigned by leadership.

Key Responsibilities

• Support Telecom Network Architecture Projects: Collaborate with Senior Engineers to understand IMS Core network components and assist in designing scalable resilient voice and messaging service architectures.

• Execute a Focused Technical Project: Lead or contribute to a scoped project involving design implementation (including coding if applicable) validation and documentation of a network-related feature or tool.

• Develop Automation or Monitoring Tools: Leverage scripting or programming skills (e.g. Python Ansible) to build or improve automation workflows configuration audit tools or telemetry dashboards aligned with IMS operations.

• Participate in Design Reviews and Presentations: Prepare and present technical findings solutions and recommendations to peers and leadership effectively translating complex topics for various audiences.

• Gain Hands-On Exposure to Core Systems: Learn about voice services infrastructure (e.g. SIP IMS VoLTE containers Kubernetes) shadowing engineers to understand real-world network evolution practices and processes.

What It Takes

• Ability to learn and gain an understanding of the T-Mobile voice core network Ability to learn and understand Session Initiation Protocol (SIP)

• Excellent communication skills

• Intermediate skill level with off software specifically presentations

• Should understand basic telecommunications wireless communications

• Able work on databases such as SQL and be able to apply knowledge to new systems

• Preferred Experience in: Grafana Splunk Elastic Search Service Now Tableau Power BI Databases like SQL

Minimum Qualifications

• At least 18 years of age

• Legally authorized to work in the United States

• Must be actively enrolled in a Bachelors or Graduate degree program

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

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

Intern wages range from $26/hour to $47/hour. The successful candidates actual pay will be based on education/STEM vs non-STEM designation.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre 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 or calling 1-. 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.