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Competencias
Experiencia
Roaming Engineer
Limitless Mobile Co.
2024-03 -
Configure CS, PS, LTE, VoLTE, and 5G SA/NSA roaming services for new partners, handling RP configuration across MSC, HLR, STP, MME, vHSS, vDSC, and IMS core elements. Troubleshoot end‑to‑end roaming issues using SS7, Diameter, SIP/IMS, GTP and Wireshark/PCAP traces for voice, SMS, LTE, VoLTE, and 5G. Act as Subject Matter Expert for roaming and wholesale technologies, supporting LTE, VoLTE, VoNR, call routing, subscriber provisioning, and CDR analysis. Coordinate integration of new roaming partners and update technical changes (GSMA IR21, IR85) in the core network, managing GSMA roaming processes (IRA, IREG).
NOC Engineer
Limitless Mobile Co.
2019-09 - 2024-03
Created maintenance and outage notifications, supporting core engineers and field technicians via Ericsson ENM, SO‑EM, MINI‑LINK, OSS and Nokia NetAct/Web Element Manager. Collaborated with vendors to resolve incidents and restore services, assisting the NOC Manager in process improvement. Mentored NOC technicians through guidance and training. Monitored tickets and alarms using Telsasoft, ManageEngine ZOHO, and Cacti, and prepared monthly reports on Comcast circuits, data usage, and RAN KPIs for 3G/LTE sites. Provided technical support to internal and external customers and participated in on‑call rotation.
Integration Engineer (CDU 30 Project)
Telnet‑Inc / Samsung Electronics America
2018-10 - 2019-07
Supported troubleshooting of T‑1, ATM backbone, and microwave backhaul transmission. Performed installation, integration, commissioning, and call testing of Samsung cellular equipment for Sprint. Analyzed radio equipment issues for repair/replacement and managed RMA tracking for MMBS equipment. Conducted fiber testing on equipment and reported daily activity status to the project manager.
Field Engineer
NRC (Noble Resource Corporation) – Contractor for Charter Communications
2018-04 - 2018-09
Ensured compliance with quality, security, and safety regulations (OSHA, FCC). Performed installations, disconnects, service upgrades/downgrades, and relocations for commercial and residential customers. Pulled and terminated Cat5/Cat6 structured cabling, conducted broadband troubleshooting, and performed low‑voltage work while educating customers on completed tasks.
Formacion
Master of Science in Information Technology, North Carolina A&T State University
Idiomas
English
fluent
Ultima actualizacion: hace 32 minutos