John Hembert Gutierrez Duran Email & Phone Number

Latam

Achievements- Implementing RouteReflector for ip transit solution.- Migration from ASR900 family to ASR9k, l2vpn and l3vpn solutions.- Upgrade from 10G to 100G redundant solution for backbone core. - Networking Training for L1 personal for implementing and support operations.-Tunning MPLS network with best practices.-Tunning monitoring tools (speedtest, cacti, mediawiki, ntp, zabbix)

Colombia

- Member of Delivery Team in charge of implementation and deploy of Juniper Solutions for Carrier Clients in LATAM region.-Offer support and tshoot over service provider solutions.-Participed in Project Swap ISP Edgecore Cisco7609-JuniperMx960. Planing, configuration and migration.-Participed in Project Swap Datacenter Catalyst3750-JuniperQFX5100. Planing, configuration and migration.-Participed in Project upgrade 100G Client ISP.-Participed in Project Swap P+PE Cisco ASR9k10 to JuniperMx480. Planing, configuration and migration.

Latam

Functions and Achievements- Team leader to implement a Carrier Ethernet Network with ASR series Cisco equipments, with LDP (FastReroute) and MPLS protocol, in an ospf network (IGP).- Responsible for t-shoot in ip/mpls protocols as a network expert, supporting our NOC in Guatemala.- Support like an expert in IP/MPLS in new business products and public tenders. - Participed in Project migration from old Metro Ethernet Network platform to new CE2.0 Cisco and Raisecom platform.- Participed in Project for integration of adquired Fiber and Capacity structure. Planning, configuration and migration of 7200 juniper services to Cisco MEF certified services.

Bogotá

EricssonJob title: Services Engineer Project: OCS AMX Claro ColombiaTime worked: July 2013– January 2015Tel: +571-6239248Functions and Achievements- Configuring nodes for Ericsson Charging System 5.0 platform. Responsible for assurance and provisioning of SDP, AIR and ECMS nodes (with Oracle and RHLE system) and monitoring their interactivity with CRS, OLM and CCN nodes.- Participate in the migration from old NSN platform to new OCS platform for 48 million of subscribers and monitoring all TTSQL database involved. - Responsible of design new products for Business Configuration and prepare acceptance test and handover to customer.- Support and monitoring the protocols in the platform: Diameter Protocol-(RFC3588), Sigtran Protocol (SS7/IP-M3UA), SS7 (Signaling System#7), CIP/IP(SCTP/IP), CAPv2 and CAPv3, INAP, OSPF network for CCN nodes and competences for analysis of traffic cases with sniffer tools like wireshark.

Bogota

Huawei Technologies (outsourcing)Job title: TSD Datacomm EngineerContractor: MultiempleosTime worked: February 2013– July 2013Functions and Achievements- Offer troubleshooting for ETB NMS solution, composed by 2 servers Solaris 10, with Veritas Volume Replication and Veritas Cluster service with Sybase database, running U2000 NMS server. For NMS clients, this solution have Citrix Technology implemented, in 2 Xenserver 5.0, and running ICA protocol for web access.- Support network equipments with Huawei Versatil Routing Plataform (VRP) and management Visual Basic scripts for daily, weekly and monthly check in the network.- Function as a subject matter expert for ETB´s Huawei solutions, in charge for ticket opening with Mexican GTAC and Chinese R&D support.

Bogota

Nokia Siemens Networks (outsourcing)Job title: Support Engineer IP / MPLS Contractor: Teka ServicesTime worked: March 2011 – January 2012Functions and Achievements- Offer troubleshooting for Juniper´s backbone, composed by 35 core routers with JUNOS software, based in FreeBSD. Being a specialist in routing protocols including ISIS, RSVP, MPLS and MP-BGP network and being the last tier before scaling with JTAC in Brazil and Portugal, operating with support 7x24.- Perform corporate customers troubleshooting with solutions that have L3VPN routing protocols like as BGP, OSPF, RIP, multicast protocol PIM (Sparse & Dense) and VRRP redundancy protocol, assuring about 20,000 corporate services.- Support project operations, including maintenance windows, execution of test protocols for new versions of JUNOS software and escalation of tickets with manufacturer.

Bogota

Huawei Technologies (outsourcing)Job Title: Backoffice Datacomm EngineerCooperator: Linea ComunicacionesTime worked: November 2009 - March 2011Functions and Achievements-Provided post-sales technical support to ETB customer for Huawei equipment in Carrier Ethernet Network, composed by 44 NE80E Quidway Series routers.-Accurately diagnosed and troubleshot for customer network problems.- Manage day-to-day relationships with ETB project leader, which includes development of MOPs, maintenances windows and their execution.-Leading the SWAT group and NOC management group in the troubleshooting and if necessary perform the opening of the ticket with the manufacturer.

Bogota

ETB (Outsourcing)Job Title: Provisioning EngineerContractor: Colvatel-ManpowerTime Worked: December 2007 – September 2009 Functions and Achievements- Perform commissioning and provisioning activities in ETB implementation area, among which stands out services Layer 2 VPN and L3VPN solutions, routing protocols such as BGP, OSPF, RIP, PIM, HSRP and VRRP configured on the MPLS core and voice solutions Cisco and Huawei.- Meet the request of ETB´s corporate customers, fulfilling the required stabilization period.- Coordinate field groups for Last Mile settings.

Bogota

ETB (outsourcing)Contratista: Colvatel / SertempoCargo: Profesional de Gestión NOCTiempo laborado: Diciembre de 2007 - Noviembre de 2008 Teléfono: 018000117707 Funciones y logros - Aseguramiento de clientes corporativos por red de cobre de la zona Bogota. Troubleshoting de nivel II sobre tecnología xDSL. - Gestión de redes ADSL y G.SHDSL para el cliente ETB, en sus 4 plataformas tanto ATM (Alcatel y Marconi) como IP (Ericsson y Huawei) en turnos 7x24. - Supervisar la operación y mantenimiento de redes de acceso conmutado de ETB, implementadas en equipos Lucent Max-TNT. - Soporte telefónico a personal de terreno encargado de Instalaciones y Mantenimientos en tecnología xDSL. - Ejecución de rutinas de aseguramiento y backups sobre las diferentes plataformas.

Bogota

Huawei Technologies (outsourcing)Job Title: Metro Ethernet NOC Engineer Cooperator: M13 InternationalTime worked: October 2005 - November 2007Functions and Achievements- Support, administer and maintains Metro Ethernet Network, composed by 200 switches, model S6500 Quidway Series.- Functions assurance and network provisioning, operating with support 7x24.- Run the inventory of access ports, Trunk and LACP, with corresponding traffic analysis, to be sent to ETB planning area, focused on overtaking established threshold.