ICE Costa Rica, Huawei Technologies Co., Ltd.

Position: CORE Technical Consulting and WiMax Engineer

Delivered task:

·   Setup NOC for the Customer with all Technical specification.

·   Setup Service Level Agreement with the customer for WCDMA Network.

·   Setup matrix responsibility for WCDMA Network with customer.

·   Responsible to present KPI report and result to the operator.

·   Attending alarms from IManager M2000 platform (MGW-UMG8900, MSC-MSOFTX3000, HLR9820, STP-SG7000, IMS, Airwide EIR, SGSN, GGSN, RNC & IPCLOCK.

·   Attending alarms for Datacomm area (NE40, CX600, S2318, S2309)

·   Attending WiMax BTS Upgrade, M2000 Upgrade Software, FARS Installation.

·   WiMax Mainex Link Quality Performance Test

·   WiMax Mainex Throughput Performance Test

July 2008 – August 2009

ENTEL PCS, CLARO Telmex - Ericsson Chile

Position: GPRS/ IP MPBN Solution Designer and System Integration

Delivered task:

·   SGSN- IP MPBN Team Leader consultant for New GPRS integration.

·   SGSN R8 MKIV Health Check Integration node with GSDC Spain Cold Start.

·   Juniper M120 Health Check, GGSN R5 software installation and GGSN R5 integration.

·   Juniper M20 GGSN R4 Expansion configuration.

·   SGSN R7 MKIV Dual RNC Expansion Iu-U and Iu-c via ATM Huawei Switch transport.

·   Ericsson IP M-PBN Antica Paybridge Expansion Network Integration Hardware for credit control Platform.

·   Ericsson IP M-PBN R5 migration with NS5400 Juniper Firewall, ISG Firewall, Blandiamond Switches.

·   HLD, DND SGSN Pool for SGSNR8 Dual mode (WCDMA-GSM) including Iu-u and Gb over IP.

·   SGSNs R8 Load Distribution Propose for Entel nodes.

·   HLD, DND3G Direct Tunnel from RNC P6 and GGSN-R5.

·   IP MPBN R5 Integration (Redback SmartEdge400, Black Diamond Swithes, Juniper Firewall ISG 2000, NS2400, NS204, NS205) for Claro Telmex

·   SGSN R8 High Level Design Include Gr, Gn, Gom, Gi, Gb, Iu-u, Iu-c Interfaces.

·   GGSN R5 Detailed Network Design with APN Selection features.

·   GGSN R5 High Level Design and Integration Support.

·   User Guide Line Implementation Design for Gb over IP with SGSN R8.

·   Responsible for SGSN R7 RNC Expansion Iu-U and Iu-c via ATM Huawei Switch.

·   Responsible of SGSN R7 Gn Expansion, GGSN R4 Gi expansion.

·   Responsible of MPLS Backbone revision with QoS parameters.

·   Responsible for Customer Configuration Requirements CCR-Tool delivered

April 2008 – May 2008

Managua Nicaragua Claro Enitel

Position: OEM , IP MPBN – GPRS Engineer

Delivered task:

·   Operation and Maintenance IP MPBN 3.1, with M5 Juniper Router, Extreme Switches, DNS Server, Radius Steel Belted, NTP Server, GSN 3.0 (SGSN R7 – GGSN R4), Netscreen 204 /Netscreen 208, NS5400.

·   WireLayout old IP MPBN 3.0

·   Network Integration Specification for MPBN 3.0.

·   Roaming Support Integration

·   IP MPLS Design Analysis for Ericsson SoftSwitch

June 2007 – July 2008

Intervoice Company Dallas TX.

Position:  IP Network Designer

Deliver 4 Voicemail projects for CANTV-VENEZUELA:

Puerto La Cruz Venezuela Cisco Network Integration for Intervoice

·            Design and integration IP network with Cisco routers and switches node for the entire voicemail

·            Configuration of High Availability (IP-HSRP).

·            Configuration DNS services for voicemail platform (Bind9).

·            Testing of communication between Cisco Routers and Media Gateway Server.

·            Acceptant test of voicemail with IVR platform response.

Caracas Venezuela Cisco Network Integration for Intervoice

•         Design and integration of IP network  with Cisco node for the entire voicemail city; include HSRP configuration and DNS Servers solution

Maracaibo Venezuela Cisco Network Integration for Intervoice

•         Design and integration of IP network with Cisco node for the entire voicemail city; include HSRP configuration and DNS Servers solution

San Cristobal Venezuela Cisco Network Integration for Intervoice

•         Design and integration of IP network  with Cisco node for the entire voicemail city; include HSRP configuration and DNS Servers solution. HSRP Solution, DNS Services Integration with Media Gateways servers.

March 2007 – May 2007

Ericsson Dominican Republic

Position:  GPRS/ IP-MPBN Engineer 

•         MPBN R5 Design and Integration including Mobile Softswitch (MGw, HLR, and MSC-s, SIGTRAN) and SGSN R7 – GGSN R4.

•         IP Audit Cisco MPLS Design and Integration.

•         Deliver LI / DNS/EMA/EMM/PSL/CCN/ChSsys/OSS/IVR integration with MPBN.

•         Integration CONVERSE node with Ericsson IP-MPBN and GPRS node.

February 2007 – February 2007

Ericsson Venezuela

Position: Marconi DSLAM Project

Deliver training course:

•         AXH 2530 DSLAM – MSAN Marconi for CANTV Telecom.

•         IP Network Design for IP ADSL Solution

January 2007 – January 2007

Ericsson Salvador

Position: Cisco IP M-PBN Audit Project

•         Deliver at IP Mobile Packet Backbone Network audit with GGSN /SGSN node include.

•         Deliver Cisco Router IP Audit for Digicel Salvador.

September 2005 - December 2006              

Ericsson Costa Rica

Position: Packet Core & IP MPBN Engineer

Delivered task:

·   Responsible MPBN R5 Design and Integration including Mobile Softswitch (MGw, HLR, and MSC-s, SIGTRAN) and SGSN R7 – GGSN R4. Ericsson Dominican Republic

·   Responsible of Audit Cisco MPLS Design and Integration. Ericsson Dominican Republic

·   Deliver LI, DNS, EMA, EMM, PSL, CCN,ChSsys, OSS, IVR integration with MPBN. Ericsson Dominican Republic

·   Responsible of integration CONVERSE node with Ericsson MPBN and GPRS node. Ericsson Dominican Republic

·   Delivery Training AXH 2530 DSLAM – MSAN Marconi for CANTV Telecom. Ericsson Venezuela.

·   Deliver at MPBN 3.1 audit with GGSN J20/SGSN MK1V. Ericsson El Salvador.

·   Deliver Cisco Router audit for Digicel Salvador. Ericsson El Salvador.

·   Operation and Maintenance MPBN for Ericsson Costa Rica

·   Support the all platforms integration from the ICE 600K project (ICE CORE Network).

·   Configuration and Design Juniper Router and Netscreen Firewall GPRS 500 into MPBN solution.

·   Configuration Extreme Networks Switchs 48S and maintenance

·   DNS configuration for handle Sendmail Plataform, UM Intervoice, SMS-C, MML.

·   Support at GPRS Node 4.0 (GSN Combined)

·   Support Tigris Equipment.

·   VPN Setting for all third part customer for GSM.

·   Support IP integration at MSC, BSC, RBSC, HLR, and EIR GSM Node.

November 2002 – August 2005