Heather Carlquist Email & Phone Number

Dallas, Tx, Us

Enterprise Applications - Data Management Group. Programming in PL/SQL.

Dallas, Tx, Us

Richardson, Tx, Us

Design, develop, maintain and support leading-edge software for Serving Gateway Support Node (SGSN) and Mobility Management Entity (MME) in wireless network infrastructure using C/C++. Analyze code for system testing and debugging. Multi-site collaboration between engineering and product verification teams to deliver high quality on time software. Create technical documentation.• Knowledge of call processing and protocols in 2G, 3G, and 4G LTE EPC wireless network.• Read 3GPP technical specifications and change requests to upgrade components within the SGSN and MME to be compliant with industry standards.• Project lead and member of a development team that enhanced existing Voice over LTE (VoLTE) software to provide 3 way calling functionality. • Resolved collision scenarios between Gateway (GW) Procedures and Intra and Inter MME/SGSN Handover Procedures.• Delivered quality software on time while adapting to increasing and changing requirements.• Designed and implemented GW blacklisting feature. Responsible for enhancing an existing OAM interface that allowed operators to manually blacklist Serving Gateways (SGW) and Packet Data Network Gateways (PGW) in an EPC wireless network.• Designed and implemented a diagnostic tool that allowed operators to analyze the DNS configuration of their wireless network.• Scrum developer that implemented features such as WLAN Interworking Robustness, Performance Management counters, diagnostic tools and compliancy upgrades.

Ca

Within a collaborative development environment, designed, implemented, integrated and maintained leading edge software for a GPRS & UMTS wireless packet core network, including life-cycle testing and documentation. • Played a key role in determining the software design and architecture of the Session Management (SM) functionality in a packet-based wireless communication service.• Trained and advised colleagues on the SM component.• Re-engineered software to enhance performance and efficiency through use of object oriented development.• Project lead and member of a development team that produced a redundancy framework to backup important mobility and session data in the SGSN. Responsibilities included project planning and schedules as well as coding, testing and integrating the software.

Houston, Texas, Us

Assisted experience engineers to efficiently design, implement and execute test scripts within a team environment.• Tested I/O devices in a Unix lab environment.