Marco Lopena Email & Phone Number

Washington, Dc, Us

Washington Dc

• Conduct day-to-day activities in the operations and maintenance of Core, Facilities, and Transport equipment that are homed in the Switch/Data Center • Support Ericsson/Nokia Radio Access Network (RAN) activities with RF Engineering, Field Operations, Development, and Regional Engineering.• Serve as Subject Matter Expert (SME) for various Transport activities, including ethernet backhaul activations, upgrades, and fault isolation.• Primary support for Microwave Transport scripting, builds, conversion, modifications, and fault resolution• Lead special projects in both RAN and Transport, providing technical direction and coaching to colleagues.• Create a Method of Procedure (MOP) for the Switch Operations Team for new projects and streamline existing processes.

United States

• Support UMTS Node B transport expansion for the Baltimore-Washington area.• Coordinate with Transport, Maintenance & Provisioning Group for design issues. • Create Data Transcript (DT) for new cell sites, reconfiguration, and re-homing of Base Transceiver Stations (BTS).• Provide support for planned service-impacting works that includes, BSC rehome, and network fault isolation.• Support field technicians in E911/TDOA commissioning, repair, and turn-up of LMU (Location Module Unit).• Troubleshoot and manage alarms in the 3G/UMTS network/BTS using the Ericsson OSS platform.• Create and organize the DT scripts for the cut night and prepare documentation for execution.• Participated in the software management tasks within the group regarding software audit & and comparison, correction loads, and upgrades (ECA, SCA, MFC, ACA, RBS software).• Prepares SS7 link connectivity for new MSC and target BSC as well as removal data for the old links to ensure smooth changeover.• Integrated and turned up new Ericsson 2106/2206 Base Station Transceivers (BTS) in the single and dual-band mode. • Involved in BSC and BTS Rehome of Ericsson switches and base station sites for the Northern and S Southern California markets.

Philippines & Usa

• Work on implementing and rolling out MSCs (Main Switching Centers) and BSCs (Base Station Controllers).• Test and integrate the AXE10/AXE810 switch in the TDMA & and GSM networks.• Support the addition of new cell sites, EDGE upgrade & and re-home for GSM and TDMA network.• Performed Operation and Maintenance support for customers after the final acceptance.• Integrate and re-home cell sites from the switch for RBS 884 and RBS 2000 radio series.• Provide Operation and Maintenance support for customers after the final acceptance.• Transfer technology to customers during the turnover phase of projects.• Create data transcript (DT) for B-Number Data and Call Routing Analysis.• Perform software upgrades (AC-A, CNAs), and CCS7 call routing of network nodes.*•