T-Mobile
Teresa Machnik is a seasoned Sr. Network Engineer with extensive experience spanning over three decades in the telecommunications industry. Currently employed at T-Mobile since August 2025, Teresa specializes in transport design and the ordering process for new cell site builds in various regions, including the Midwest, Mid-Atlantic, and Northeastern states. Prior to T-Mobile, Teresa spent 27 years at U.S. Cellular, where roles included E911 Coordinator, where responsibilities encompassed installation, troubleshooting, trunk group forecasting, and network coordination. Early career experience at CellularOne involved managing intercarrier roaming agreements and billing system updates. Teresa holds a degree from the University of Wisconsin, obtained between 1987 and 1990.
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T-Mobile
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As America's Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The Company's advanced nationwide 4G LTE network delivers outstanding wireless experiences to millions of customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and Metro by T-Mobile.