Tim Gregory
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Tim Gregory Email & Phone Number

Senior Technology Sourcing Manager at T-Mobile at T-Mobile
Location: Kansas City Metropolitan Area, United States 12 work roles 2 schools
1 work email found @t-mobile.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Current company
Role
Senior Technology Sourcing Manager at T-Mobile
Location
Kansas City Metropolitan Area, United States
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Who is Tim Gregory? Overview

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Tim Gregory is listed as Senior Technology Sourcing Manager at T-Mobile at T-Mobile, a with 77533 employees, based in Kansas City Metropolitan Area, United States. AeroLeads shows a work email signal at t-mobile.com and a matched LinkedIn profile for Tim Gregory.

Tim Gregory previously worked as Senior Technology Sourcing Manager at T-Mobile and Category Manager at T-Mobile. Tim Gregory studied at Mid America Nazarene University.

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Email format at T-Mobile

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{first}.{last}@t-mobile.com
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Profile bio

About Tim Gregory

I am a well-rounded individual with 25 years of project management experience. I have worked in telecom with Sprint/T-Mobile and with Cerner on the electronic medical records. I have experience as a category/vendor manager with the ability to negotiate contracts where I have saved my company over $130 million in operating expense. I work with internal peers, vendors, clients, and third party vendors to complete implementations and negotiations on time and under budget. I am an out of the box thinker able to provide guidance for issue resolution. I have created and presented information to all levels of management including executive level management.

Listed skills include Telecommunications, Cdma, Vendor Management, Wireless Technologies, and 4 others.

Current workplace

Tim Gregory's current company

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T-Mobile
T-Mobile
Senior Technology Sourcing Manager at T-Mobile
bellevue, washington, united states
Website
Employees
77533
AeroLeads page
12 roles

Tim Gregory work experience

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Senior Technology Sourcing Manager

Current

Overland Park, Kansas Headquarters

Aug 2020 - Present

Category Manager

Current

Overland Park, Kansas, United States

• Fluent in RAN (Radio Access Network) and CORE(Central Office Routing Equipment) telecom technology. • Frequently communicate with top executives and business unit owners regarding annual spend, revenue, and opportunities for additional savings.• Responsible for monitoring contracts totaling $160 million from which a $55M cost avoidance was negotiated. • Responsible for tracking 210 contract lines valued at $410M and coordinating with finance to ensure renewals are completed and documented correctly.

Apr 2020 - Present

Category Manager

Overland Park, Ks

• Fluent in RAN (Radio Access Network) and CORE(Central Office Routing Equipment) telecom technology. • Frequently communicate with top executives and business unit owners regarding annual spend, revenue, and opportunities for additional savings.• Responsible for monitoring contracts totaling $160 million from which a $55M cost avoidance was negotiated. • Responsible for tracking 210 contract lines valued at $410M and coordinating with finance to ensure renewals are completed and documented correctly.

Aug 2018 - Apr 2020

Engagement Owner

Kansas City, Missouri Area

• Frequently communicates with top executives regarding annual spend, revenue, cost savings, and opportunities for additional savings.• Responsible for coordinating, monitoring, and delivering client projects from initiation to implementation while ensuring all targets and requirements are completed on schedule and within budget and scope. • Plan, organize, direct, control, and deliver project deliverables in alignment with the client’s expectations and business needs.• Detail oriented, articulate communicator with strong interpersonal skills experienced in identifying and mitigating project risks.

Jan 2016 - Aug 2018

Technical Project Manager

Teleworx

I currently work with Sprint in a role as project manager for the LTE Core element implementation. This is in support of the upgrade of the Sprint Network to LTE/4G

Jan 2012 - Oct 2012

Sourcing Manager 1

Kansas City, Missouri Area

Vendor Manager responsible for negotiations and renewals of maintenance and support contracts related to software, hardware, and right to use licensing. POC for billing, payment, and daily issues associated with Ericsson and Sprint vendors. Responsible for collection and databasing of inventory related to renewals with 3rd party vendors.

Dec 2009 - Dec 2011

Manager 1, Network Engineering

teams based on the new features that are presented to the Sprint Wireless network. I have 3 exempt employees who project manage the activities presented to my team. They are responsible for cost savings, capital expenditure projects, and all internal projects that affect multiple departments in my director group. Finally, I have 3 exempt programmers responsible for all audit tool and software automation to support the departments and the new features implemented in the Sprint Nextel switching network. My team is made up of individuals who are experts in their given vendor equipment. I am currently modifying processes and encouraging individuals to cross train on multiple vendor platforms to give the team a broader knowledge level.given budget and diminishing work load; establishing and monitoring productivity goals; leading cross-functional employees on teams to maintain key objectives; and leading cross-functional teams to implementation and completion of key projects.

Sep 2009 - Jun 2010

Manager, Network Engineering

teams based on the new features that are presented to the Sprint Wireless network. I have 3 exempt employees who project manage the activities presented to my team. They are responsible for cost savings, capital expenditure projects, and all internal projects that affect multiple departments in my director group. Finally, I have 3 exempt programmers responsible for all audit tool and software automation to support the departments and the new features implemented in the Sprint Nextel switching network. My team is made up of individuals who are experts in their given vendor equipment. I am currently modifying processes and encouraging individuals to cross train on multiple vendor platforms to give the team a broader knowledge level.given budget and diminishing work load; establishing and monitoring productivity goals; leading cross-functional employees on teams to maintain key objectives; and leading cross-functional teams to implementation and completion of key projects.

Aug 2008 - Sep 2009

Manager, Network Operations

I am responsible for supervising a team of employees who perform all day to day translations updates, research issues, and resolve troubles, in the DMS250 and DMS300 switches. My team is also responsible for the as implementation and monitoring of DMS300 product traffic for IST, I800, IOS, IVPN, GVPN, PREMIERE, and Switched Data services. I am responsible for creating and reviewing yearly objectives that align with the business needs of the translations group. I work with outside organizations to create and impIement results driven expectations. These results are then documented in System Level Agreements (SLAs) which are managed accordingly. I supervise 2 exempt and 7 non exempt employees. I coach and counsel my employees to create SMART objectives and robust IDPs for their performance management documents which I review each year.

Mar 2005 - Aug 2008

Network Engineer

I was responsible for the design, testing, and implementation of the Next Generation Voice Network switching platform. This included the software upgrade from the SNO6.2 version to the SNO7 software version. I was responsible for securing the funding needed to purchase the SNO7 STIC hardware which totaled more than $4 million. I was responsible for the design of the international routing scheme on the NGVN switching platform. This included coordinated lab testing with Nortel, the NGVN vendor of choice. This testing provided Call detail records, SS7 messaging, and call flows to ensure that the DMS300 features could be implemented in the NGIS platforms transparently. I was currently finishing the SNO7 software upgrade and moving into the wireless arena supported by Lucent. I was beginning to work with the software load on the Plexus platform used for the SWAT application in New York. I also have experience with local access. I was part of the team that completed the Allegiance outsourcing project. I was responsible for writing the Network Detailed Design Document and resolving issues with translations and transport.

Apr 2000 - Mar 2005

Network Analyst

I was responsible for implementation of the E911 PCS applications and routing schemes. I was tasked with several PCS projects involving routing and the relationship between the PCS network and its call flow to the Sprint long distance network. I was also responsible for overseeing all DMS300 activities to include software loads and new products. Technician involved in digilator recovery effort, often using out of the box resolution to continue operation of the DMS300 platform. I was responsible for creating routing applications needed to meet industry requirements. I was the POC for resolution of billing issues and all complex international issues. I was responsible for training documentation and instruction to international translation analyst.

Apr 1993 - Apr 2000
Team & coworkers

Colleagues at T-Mobile

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2 education records

Tim Gregory education

Education record

Mid America Nazarene University

Education record

Rockhurst High School
FAQ

Frequently asked questions about Tim Gregory

Quick answers generated from the profile data available on this page.

What company does Tim Gregory work for?

Tim Gregory works for T-Mobile.

What is Tim Gregory's role at T-Mobile?

Tim Gregory is listed as Senior Technology Sourcing Manager at T-Mobile at T-Mobile.

What is Tim Gregory's email address?

AeroLeads has found 1 work email signal at @t-mobile.com for Tim Gregory at T-Mobile.

Where is Tim Gregory based?

Tim Gregory is based in Kansas City Metropolitan Area, United States while working with T-Mobile.

What companies has Tim Gregory worked for?

Tim Gregory has worked for T-Mobile, Sprint, Cerner Corporation, Sprint Nextel, and Teleworx.

Who are Tim Gregory's colleagues at T-Mobile?

Tim Gregory's colleagues at T-Mobile include Thu Trang, Malik Brown, Emma Wright, Steven N., and Kenna Eilers.

How can I contact Tim Gregory?

You can use AeroLeads to view verified contact signals for Tim Gregory at T-Mobile, including work email, phone, and LinkedIn data when available.

What schools did Tim Gregory attend?

Tim Gregory studied at Mid America Nazarene University.

What skills is Tim Gregory known for?

Tim Gregory is listed with skills including Telecommunications, Cdma, Vendor Management, Wireless Technologies, Networking, Program Management, Computer Network Operations, and Cross Functional Team Leadership.

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