Summer 2027 Industrial Engineering Internship

T-Mobile•Irving, TX

3d•Onsite

About The Position

This is an 11-week paid learning experience supporting execution performance across T-Mobile’s Reverse Logistics Return Centers. The intern will work onsite at a return center alongside T-Mobile Operations and Supplier Operations teams in a high-volume environment processing more than 1 million devices per month. The work combines time on the operations floor, analysis of live process data, and working sessions to share findings. The intern will evaluate return center processes and recommend changes to improve speed, efficiency, and accuracy. The role focuses on ensuring devices are routed and dispositioned correctly, helping return devices to retail and customers faster. Interns receive hands-on projects, training, mentorship, and opportunities to collaborate with colleagues and leaders across the company.

Requirements

At least 18 years of age.
Legally authorized to work in the United States now and in the future.
Must have one or more courses remaining in a bachelor's or graduate degree program after the internship.
Curiosity and willingness to challenge assumptions about processes.
Ability to work with urgency in a high-volume, fast-moving environment.
Analytical thinking and ability to explain findings in plain language.
Ability to collaborate and build trust with cross-functional teams, including people on the operations floor.

Nice To Haves

Familiarity with Lean, Six Sigma (Green Belt), Kaizen, 5S, DMAIC, value stream mapping, time and motion studies, and root cause analysis.
Completed or in-progress Lean Six Sigma Yellow or Green Belt, IISE Lean, or APICS/ASCM (CSCP, CPIM) credentials.
Data analytics skills such as Tableau, Power BI, SQL, or Python.

Responsibilities

Evaluate targeted return center processes, including handoffs between processes, to find efficiency opportunities.
Analyze the inventory pipeline and aging to identify where devices stall and why.
Map device touchpoints and measure dwell time to expose delays and waste.
Conduct process time studies on the floor to establish baselines and standard work.
Quantify the impact of improvement ideas on required labor, velocity, cycle time, and inventory levels.
Translate data and findings into clear recommendations for operations leaders and non-technical audiences.
Partner with TMO and Supplier Operations teams to test, refine, and drive adoption of changes.