Manuel De Leon Mendoza

Experience

• 

  Alcatel-Lucent

  Jan 2010 - Nov 2010

  Field Engineer

  Installation of infrastructure to Carrier Ethernet at Telmex.Commissioning, configuration and Management of Ethernet Service Switch technology Alcatel-Lucent 7450 ESS-7 and 7450 ESS-12.Commissioning, configuration and management of IP RAN Equipment, Technology Alcatel-Lucent 7710.

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  Huawei

  Nov 2010 - Jan 2013

  IMS Core Network Engineer

  Competence in either of the Huawei IMS Network Elements (SBC, CSCF, iCG, HSS, MGCF, UMG, SG, MRFP), and also Applications Telephone System (ATS). As Service Engineer providing technical service and support for Carriers such as TELMEX, AXTEL, BESTEL and MEXSAT Project in USA. troubleshoot to resolve problems in order to stabilize and optimize customer networks. Configuration and integration of different nodes and solutions in new and live customer networks as PCRF, LIG, VoicelMail interworking with IMS for MEXSAT project.Protocols: SIP, Diameter, DNS, HTTP/XCAP, SS7, H.248 Show less

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  Ericsson

  Jan 2013 - May 2017

  Wireless Core Support Ericsson LaneTechnical Support for MSC Servers 3000 VSE, GWC, MGW, Media Servers, Smart Edge 1200 1 st Level Operations Assurance for the SS7 Sprint Network. Service Alarm handling, Service problem handling, Resource alarm handling, Service performance monitoring, Resource performance monitoring.1 st. level service restoration, 1st level resource fault restoration, 1st level routine maintenance.Tracking and management service problem, Track & manage resource problem.Management notification & escalation, Real-time change permission & surveillance.

  • Experience Services Engineer 2nd Level Operations

    Nov 2014 - May 2017

  • Experienced Service Engineer 1st Level Operations

    Jan 2013 - Nov 2014
• 

  AT&T

  May 2017 - now

  Core Network Enginner - HLR/HSS/IMS-HSS/AAA/EIR Specialist