Page 54 - T-Mobile_Host Book_PEAK_2017

Julius DarJuan
Sr. Engineer, Radio Frequency | Frisco, TX

Julius was the driving force to complete all needed work to launch the nation’s first and fastest
15x15 MHz L1900 network. This effort combined with aggressive parameter and site optimization
allowed the market to reduce LTE congestion by 55%.

Sigrid Haubrich
Sr. Engineer, Technical Support | Tempe, AZ
Sigrid recently has been promoted, but while a Sr. Switch Tech in the Phoenix market (Nokia), she
trained field and switch teams on Nokia monitoring, troubleshooting, and site integration. She has
developed tools to improve efficiency that she shared with other Nokia markets.

Arvind Inani
Sr. Engineer, Radio Frequency | Parsippany, NJ

Arvind took the lead on our high-profile LTE rollout program (LTE on 700 Mhz and 1900 Mhz),
working closely with other teams breaking weekly records. The result of this fast roll out was the
NYC market stayed ahead of the capacity needs by maintaining the congestion levels below 2%,
while traffic was continuously increasing.

Matt Johnson
Sr. Manager, Engineering Operations | Aurora, CO
Matt Johnson has been the Denver market lead responsible for the oversight of the migration of all
network traffic from the legacy Denver MSO to the new Aurora MSO facility.

Manoj Kumar
Sr. Manager, Technology Sourcing | Frisco, TX

Manoj was involved in the Access Homing Tandem project that allowed TMUS to disconnect more
than 50K TDM circuits and changed how the industry routes traditional PSTN calls. He was involved
in the multi-vendor ILD & Direct implementation that increased traffic by 60% and decreased cost
by 40% with an increase in quality of 15%.
54