Rosemberg Polania available

Rosemberg Polania

CS/IMS(fixed)/C20/DMS100 Engineer - Consultant

available
Profileimage by Rosemberg Polania CS/IMS(fixed)/C20/DMS100 Engineer - Consultant from Colombia
  • 00000 Colombia Freelancer in
  • Graduation: Electronics Engineering Degree
  • Hourly-/Daily rates: not provided
  • Languages: English (Full Professional) | Spanish (Native or Bilingual)
  • Last update: 05.11.2020
KEYWORDS
SKILLS
-Technical knowledge and experience of GSM/3G Huawei,Nortel/Ericsson, IMS, Ribbon-Genband (NGN), and iDEN,
- Experience providing CS SWAP support from a GSM Nortel/Ericsson and Genband to a Huawei network
-Proven experience about O&M, Commissioning, Integration & Acceptance
-In-depth knowledge in IMS network architecture and call routing principle
-Proven experience about Huawei: HSS9860(USCDB), MsoftX3000,UMG8900,UAC3000,CSCF,ATS,SPS, SE2900,Network Management System (NMS),UEIR, Nortel Product Line (now Ericsson/Genband), C20 on GENiUS, C20 on CompactPCI, C20 on XA-Core. SP2000 SS7 Signaling Gateway, SST (SIP Trunks), MCS 5200, G9, A2, DMS-100 (XAC), DMS-Legacy, CS2K, ATCA,ERS 8600, MG15K, MG9K, IWSPM, CBM,CMT,R4,VSE-ATCA, HLR, MGW, PASSPORT-ERS8600, Broadband STP-USP,
-Operation and Maintenance support for IMS/HSS solutions
- Experience providing CS SWAP support from a GSM Nortel/Ericsson to a Huawei network (3G,IMS)
-Knowledge of SS7 protocols Diameter, SIP, H.248, SIgtran, ,CAMEL, Network KPIs, MNP and linux
-Performs well under pressure
-Strong team member
PROJECT HISTORY
  • 09/2019 - 11/2019

    • Belize Telemedia Limited-Freelance
    • 10-50 employees
    • Telecommunications
  • 2nd Line NOC Expert-Fixed Core (Remote)
  • 2nd Level Resource Fault Restoration for the Fixed DMS100 network and CS2K-C20/ Take corrective action when necessary
    apply DMS configuration when needed

  • 02/2019 - 08/2019

    • HUAWEI
    • 50-250 employees
    • Telecommunications
  • FIXED IMS ENGINEER @ JAMAICA
  • Principal Responsibilities: Technical support for the Migration and integration of TDM/IP networks to the IMS-VoBB network of CWC
    - HSS9860(USCDB), UAC3000,UMG8900,UGC3200 expertise
    - L1 local support, attention of performance counters, network KPIs, signaling/call flow and protocols.
    - Lead the IMS Upgrade from 11.1 to 11.2

  • 05/2016 - 05/2018

    • HUAWEI
    • 50-250 employees
    • Telecommunications
  • Senior Core Network Engineer - BTL SWAP Project Consultant - @ BELIZE
  • - Provide expert technical advice on the integration of a CS Nortel/Ericsson network to Huawei.
    - Create Method of Procedure (MOP) to implement Mobile network integration plan (SPS,UMG, MSC, HLR)
    - Create Method of Procedure (MOP) to implement IMS network integration plan for DMS/C20 PSTN and Local exchanges
    - Test, and migrate customers to their SIP and Hybrid solutions
    - Troubleshooting during the integration phase
    - Provide Technical support for post Integration related issues.
    - Perform Acceptance Test Protocol (ATP) of UEIR, PCRF.

  • 07/2015 - 04/2016

    • Independent Contractor
    • 10-50 employees
    • Telecommunications
  • Senior Telecom Consultant
  • Company: COTEL - BOLIVIA
    Position Title: MCS 5200 Network Integrator - Remote
    Principal Responsibilities:
    - Remote Support during the update of the Public IPs for all MCS 5200 servers

    Company: AVANTEL - COLOMBIA
    Date: January/2016
    Position Title: 3G Network Integrator
    Principal Responsibilities:
    - Enabling of Second Point Code at MSC Ericsson/3G

    Company: GENBAND (Contractor)
    Date: August/2015 - September/2015
    Position Title: C20 Network Integrator
    Customers: Lime (Barbados), AXTEL (México)
    Principal Responsibilities:
    - Commissioning and Integration of BCP servers in a C20 network
    - Local Assistance post-upgrade CVM17.

    Company: COTEOR - BOLIVIA
    Position Title: C20/CS2K Network Integrator - Remote
    Principal Responsibilities:
    - Remote Support and Integrator of SIP services.
    - 2nd Line Support

  • 12/2014 - 06/2015

    • Cybercom International Corp @ BAHAMAS
    • 10-50 employees
    • Telecommunications
  • 2nd Line NOC Expert-Fixed Core - Senior Consultant at BTC Network
  • • Monitor Fixed Network service operations - Genband (C20 on GENiUS, C20 on XA-Core/Nortel) and Calix elements
    • 2nd Level Resource Fault Restoration / Take corrective action when necessary
    • Track network incidents detected by NOC
    • Operate all Network equipment in accordance with laid-down network procedures
    • Routine Schedule Definition & Co-ordination
    • 2nd Level Routine Maintenance
    • Escalate in cases where incidents / problems could not be resolved within the first two levels of network support
    • Carry out 2nd level support for network elements, identify source of incidents and apply known fixes as appropriate.
    • Carry out structured one to one on the job training sessions with for local NOC staff.
    • Asses the effectiveness of the knowledge transfer by individual each month.

  • 09/2012 - 11/2014

    • Independent Contractor
    • 10-50 employees
    • Telecommunications
  • Senior Telecom Consultant
  • Company: GENBAND (Contractor)
    Date: October/2013 - November/2014
    Position Title: C20 Network Integrator
    Customers: AXTEL (México), CODETEL( Dominican Republic), TSTT (Trinidad & Tobago), Maxcom (Mexico), AT&T (Puerto Rico)
    Principal Responsibilities:
    -Commissioning and Integration of GWCs, VSPs, MG15K in a C20 network
    -Commissioning and Migration of MAS units over IA-RMS, and BCP over HT server in a C20 network
    - Local Assistance for ERS8600 Upgrade.

    Company: COTEOR - BOLIVIA
    Date: September 2013
    Position Title: CS2K Network Integrator - Remote
    Principal Responsibilities:
    -Acts as a Remote Support and Integrator of SSL servers (SIP service), and clearing of different kind of current faults present in the network

    Company: TELESUR (Omnitele)
    Country: SURINAME
    Date: 18th April - 3th May
    Position Title: Nortel CS Core Consultant
    Principal Responsibilities:
    -Provide a KPI status of the GSM Network
    -Investigate Root Causes for some CS problems

    Company: COTEOR
    Country: BOLIVIA
    Position Title: 2nd Tier VoIP Network Engineer - Remote
    Principal Responsibilities:
    Provide a remote Tier 2 technical support for a CS2K Nortel Network (CVoIP) by call

    Company: AVANTEL
    Country: COLOMBIA
    Position Title: Senior Network Engineer Consultant/3G
    Principal Responsibilities:
    - Enabling of a new SMS-C at MSC Ericsson/3G
    - Provide by request, a local support for a GSM-iDEN Network (Nortel/Ericsson)

TIME AND SPATIAL FLEXIBILITY
I'm willing to Relocate
OTHER
SKILLS:
  • Technical knowledge and experience of GSM/3G Huawei,Nortel/Ericsson, Genband (NGN), and iDEN,
  • Experience providing CS SWAP support from a GSM Nortel/Ericsson to a LTE Huawei network
  • Proven experience about O&M, Commissioning, Integration, and Acceptance Test
  • Experience performing 1st and 2 level of Troubleshooting on Network Elements
  • Experience about Huawei: MsoftX3000,CSCF,ATS,SPS ;Nortel/ Ericsson  and Motorola/iDEN Product Line, CS2K, DMS-100 (XAC), SP2000 SS7 Signaling Gateway, SST (SIP Trunks), SSL, G9, A2, ATCA,ERS 8600, MG15K, MG9K, IWSPM, CBM, CMT, R4,VSE, HLR, MGW, Broadband STP-USP, BCP7200, SAM21, MG2500, MG 9000  Line Gateway, IEMS, MG3200 Audiocodes trunk gateway, MS2010 Audiocodes gateway, MAS server.
  • Knowledge of Protocols SS7, SIP, H.248, SIgtran, CAMEL, GSM, SMS, Roaming, KPIs, MNP,
  • Performs well under pressure and Strong team member
  • More than Twenty Years of experience in the Telecommunications Market.
EDUCATION:
Electronic Engineering Degree, (US equivalent - Bachelor of Science)-University of Santiago de Cali - Colombia

PROFESSIONAL EXPERIENCE:
2nd Line NOC Expert-Fixed Core (Remote)
Company Name
Belize Telemedia Limited Freelance
Dates EmployedSep 2019 – Feb 2020
Employment Duration6 mos
LocationBelize
2nd Level Resource Fault Restoration for the Fixed DMS network and CS2K-C20/ Take corrective action when necessary

FIXED IMS ENGINEER
Company Name
Huawei
Dates EmployedFeb 2019 – Aug 2019
Employment Duration7 mos
LocationJamaica
Principal Responsibilities: Technical support for the Migration and integration of TDM/IP networks to the IMS-VoBB network of CWC
- HSS9860(USCDB), UAC3000,UMG8900,UGC3200 expertise
- L1 local support, attention of performance counters, network KPIs, signaling/call flow and protocols.
- Lead the IMS Upgrade from 11.1 to 11.2

Company: HUAWEI  -Telecom Consultant at Belize
=>Dates: MAY/2016 – MAY/2018
Position Title:  CS Core Engineer – BTL SWAP Project
Principal Responsibilities:
- Provide expert technical advice on the integration of a CS NortelEricsson network to a 4G (LTE) network.
- Create Method Of Procedure (MOP) to implement Mobile network integration plan (STP, MSC,MGW, HLR)
- Create Method Of Procedure (MOP) to implement IMS network integration plan for DMS-PSTN and Local exchanges
- Troubleshooting during the integration phase
- Provide Technical support for post Integration related issues.


Company: Senior Telecom Consultant
=>Dates:  July 2015 – April/16
Position Title: Network Integrator - (Freelancer)
Customers: AVANTEL (Colombia), AXTEL (México), LIME( Barbados), COTEOR (Bolivia)
Principal Responsibilities:
- Enabling of Second Point Code at MSC Ericsson/3G
- Commissioning and Integration of BCP servers in a Genband C20 network - Axtel
- Local Support post upgrade over a Genband C20-VoIP network - Lime
- Provide a remote Tier 2 technical support for a Nortel Network (CVoIP) - Coteor

SKILLS:
  • Technical knowledge and experience of GSM/3G Huawei,Nortel/Ericsson, Genband (NGN), and iDEN,
  • Experience providing CS SWAP support from a GSM Nortel/Ericsson to a LTE Huawei network
  • Proven experience about O&M, Commissioning, Integration, and Acceptance Test
  • Experience performing 1st and 2 level of Troubleshooting on Network Elements
  • Experience about Huawei: MsoftX3000,CSCF,ATS,SPS ;Nortel/ Ericsson  and Motorola/iDEN Product Line, CS2K, DMS-100 (XAC), SP2000 SS7 Signaling Gateway, SST (SIP Trunks), SSL, G9, A2, ATCA,ERS 8600, MG15K, MG9K, IWSPM, CBM, CMT, R4,VSE, HLR, MGW, Broadband STP-USP, BCP7200, SAM21, MG2500, MG 9000  Line Gateway, IEMS, MG3200 Audiocodes trunk gateway, MS2010 Audiocodes gateway, MAS server.
  • Knowledge of Protocols SS7, SIP, H.248, SIgtran, CAMEL, GSM, SMS, Roaming, KPIs, MNP,
  • Performs well under pressure and Strong team member
  • More than Twenty Years of experience in the Telecommunications Market.
EDUCATION:
Electronic Engineering Degree, (US equivalent - Bachelor of Science)-University of Santiago de Cali - Colombia
PROFESSIONAL EXPERIENCE:
Company: HUAWEI  -Telecom Consultant at Belize
=>Dates: MAY/16 – PRESENT
Position Title:  CS Core Engineer – BTL SWAP Project
Principal Responsibilities:
- Provide expert technical advice on the integration of a CS NortelEricsson network to a 4G (LTE) network.
- Create Method Of Procedure (MOP) to implement Mobile network integration plan (STP, MSC,MGW, HLR)
- Create Method Of Procedure (MOP) to implement IMS network integration plan for DMS-PSTN and Local exchanges
- Troubleshooting during the integration phase
- Provide Technical support for post Integration related issues.


Company: Senior Telecom Consultant
=>Dates:  July 2015 – April/16
Position Title: Network Integrator - (Freelancer)
Customers: AVANTEL (Colombia), AXTEL (México), LIME( Barbados), COTEOR (Bolivia)
Principal Responsibilities:
- Enabling of Second Point Code at MSC Ericsson/3G
- Commissioning and Integration of BCP servers in a Genband C20 network - Axtel
- Local Support post upgrade over a Genband C20-VoIP network - Lime
- Provide a remote Tier 2 technical support for a Nortel Network (CVoIP) - Coteor
Company: BTC - BAHAMAS
=>Dates: December 2014 – June 2015
Position Title: 2nd Line NOC Expert Fixed Core – (Consultant of Cybercom International Corp)
Principal Responsibilities:
• Monitor Fixed Network service operations - Genband (C20 on GENiUS,CS2K/XA-Core) & Calix elements
• 2nd Level Resource Fault Restoration / Take corrective action when necessary
• Track network incidents detected by NOC
• Routine Schedule Definition & Co-ordination
• 2nd Level Routine Maintenance
• Carry out structured one to one on the job training sessions with for local NOC staff.
• Asses the effectiveness of the knowledge transfer by individual each month.
Company: Senior Telecom Consultant
=>Dates: October 2013 – November 2014
Position Title: Network Integrator - (Freelancer)
Customers: AVANTEL (Colombia), AXTEL (México), CODETEL( Dominican Republic), TSTT (Trinidad & Tobago),  Maxcom (Mexico), AT&T (Puerto Rico)
Principal Responsibilities:
- Enabling of a new SMS-C  at MSC Ericsson/3G
-Commissioning and Integration of GWCs, VSPs, MG15K in a C20 network
-Commissioning and Migration of MAS units over IA-RMS, and BCP over HT server in a C20 network
- Local Assistance for ERS8600 Upgrade.
Company: COTEOR - BOLIVIA
=>Dates: September 2013
Position Title: CS2K Network Integrator - Remote
Principal Responsibilities:
- Remote Support and Integrator of SSL servers (SIP service), and clearing of different kind of current faults present in the network
Company: TELESUR (Omnitele) - SURINAME
=>Dates: 18th April - 3th May
Position Title: Nortel CS Core Consultant/3G
Principal Responsibilities:
-Provide a KPI status of the GSM Network (R4, DMS100, HLR)
-Investigate Root Causes for some CS problems

Company: COTEOR - BOLIVIA
=>Dates: First Semester 2013
Position Title: 2nd Tier VoIP Network Engineer - Remote
Principal Responsibilities:
- Provide a remote Tier 2 technical support for a CS2K Nortel Network (CVoIP) by call
Company: AVANTEL - COLOMBIA
=>Dates: February 2013
Position Title: Senior Network Engineer Consultant
Principal Responsibilities:
- Provide by request, a local support for a GSM-iDEN Network (Nortel/Ericsson)
Company:  NOKIA SIEMENS NETWORKS – (Nextel Project at PERU)
=>Dates: AUGUST/11 – AUGUST/12
Position Title:  CS Core Engineer at NPO-NSN
Principal Responsibilities:
Fulfill planning and design tasks for the iDEN Mobile Networks Service Provider Nextel-Peru
Active team member for solving network issues with customers, plus, Monitoring & Analyzing Network KPIs
Dimensioning Capacity and configuration of Nortel CS Core elements R4/MGW, 2G Legacy (DMS100) MSC/HLR
Design Lead for the CS project. Planning of Upgrades/Updates
Attend customer meetings as a NSN planning representative
Status reporting to customer as per contractual and/or agreed obligations
Routing, NP, SS7, and inter operator planning,
Company:  Nokia Siemens Networks – (Nextel Project)
=>Dates: MARCH/11 – JULY/11
Position Title: GSM KPI Core Audit Engineer
Principal Responsibilities:
Provide to the Management's people a view of the KPIs Capacity status of the (iDEN+ Nortel GSM) Core
Network of 5 countries (Mexico, Peru, Brazil, Chile and Argentina)
Company:  APUA – (Antigua and Barbuda)
=>Dates: FEBRUARY/11
Position Title: Nortel-GSM Remote Support Engineer
Principal Responsibilities: Assistance of the set-up of  CAMEL service for inbound roamers
Company:  AVANTEL  - (COLOMBIA)
=>Dates: FEBRUARY/11
Position Title: MNP Integration Engineer
Principal Responsibilities:
 Implementation and Support of Mobile Number Portability MNP (Database Query) using a GSM-DMS-100
Company:  C.T.T. - BOLIVIA (La Paz)
=>Dates: JANUARY/11 (3weeks)
Position Title: On-Site SS7 TRAINER
Principal Responsibilities:
Provide to the staff of the Telco ENTEL (25+ Engineers) a SS7 training course, Signaling, SS7, ISUP, GSM, Camel, SigTran, SIP, VoIP.
=>Dates: AUGUST/10 –OCTOBER/10
Position Title: Remote SS7 TRAINER
Principal Responsibilities:
Provide to the staff of CTT a SS7 training course, Signaling, SS7,ISUP, GSM, Camel, SigTran & SIP, VoIP
Company:  COTEOR (Oruro) - BOLIVIA
=>Dates: First Semester 2010
Position Title: 2nd Tier VoIP Network Engineer - Remote
Principal Responsibilities:
Provide a remote Tier 2 technical support for a CS2K Nortel  Network (CVoIP)
Company: LEADCOM  International
  • Dates: AUGUST/09  - (COLOMBIA)
Position Title: Nortel MERS/ESU Commissioning Engineer (Telmex Project)
Principal Responsibilities:
Upgrade of some Metro Ethernet Routing Switch (MERS) 8600 & Commissioning of Metro Ethernet Services Unit (ESUS 18X)
  • Dates: APRIL/09 – JUNE/09 (CHILE)
Position Title: Nortel CS2K Integration engineer (VTR Project)
Principal Responsibilities:
- Integration of a IWSPM, Session Server Lines(SSL), MediaGateway15000 (PVG), Ethernet Routing Switch 8600(CSLAN), Multiservice Data Manager (MDM), Core and Billing Manager (CBM) , Contivity 600,etc  into a CS2K Hybrid-Network
  • Dates: JANUARY/09 – APRIL/09 – (COLOMBIA)
Position Title: Nortel-MERS Commissioning Engineer (Telmex Project)
Principal Responsibilities:
Commissioning of a Network of  Metro Ethernet Routing Switch (MERS) 8600 & Metro Ethernet Services Unit (ESUS 18X)
  • Dates: DECEMBER/08 (HAITI)
Position Title: Nortel GSM Audit engineer (Comcel Project)
Principal Responsibilities:
Audit of a GSM network, seeking for fraud scenarios (MSC,HLR testing, translations’s audit, trunks,CBM billing,etc
  • Dates: OCTOBER08 – DECEMBER/08  (CHILE)
Position Title: Nortel CS2K Integration engineer (VTR Project)
Principal Responsibilities:
- Integration of a IW-SPM, ERS 8600(CSLAN), MDM, SSL-MAS,PVG, MS-2010 into a CS2K Hybrid- Network
  • Dates: JULY/08 – SEPTEMBER/08  (HAITI)
Position Title: Nortel USP  Integration engineer (Comcel Project)
Principal Responsibilities:
- Integration of  a USP-SG into a GSM network (MSC/HLR-DMS100), SS7 testing
  • Dates: MAR/08 – MAY/08 (DOMINICAN REPUBLIC )
Position Title: Nortel CS2K Integration engineer (Trylogy Project)
Principal Responsibilities:
- Integration of SIP lines to the CS2K ,  provisioning, running of ATP for Session Server Lines(SSLi), BCP 7200, SSL-MAS.
  • Dates: February/08 –March/08 – (COLOMBIA)
Position Title: Nortel GSM / CS2k Integration engineer (ETB & Avantel Project)
Principal Responsibilities:
- Commissioning and Integration of a Media Gateway 3500 for Medellin /Cali CS2K sites (ETB)
-  Expansion of one  PDTC, MS/ENET expansion (Provisioning/Datafill)  GSM MSC-DMS100 (Avantel)
  • Dates: JUNE/05 – JANUARY/08 (BOLIVIA)
Position Title: Nortel CS2K(CVoIP) Support Engineer on Site – AOS Engineer ( Cotel & Coteor  Project)
Principal Responsibilities:
- Support and Maintenance of the Telecommunications Network – Nortel NGN (CVoIP)
- Assisting to the Customer for the Acceptance Test of the Network (CS2K, Multimedia MCS 5200, MG9K, Integration of  some Keymile Milegate 2500, MG 3500, Voice-Mail CTI2, Access Care)
- Provide technical support, MSC Translations, Patching and  O&M of CMT/CBM, SAM21, Call Agent,
CSLAN ERS8600, GWC, USP, CS2K, PVG (MG 15K), AMS Servers, IEMS & UMUX 1500.
- Customer liaisons and Training on field for the customer.
  • Dates: SEPT/03 – JUNE/05 – (GUATEMALA)
Position Title: GSM-MSC Support Engineer on Site (Claro / PCS Digital) – Nortel GSM AOS Engineer
Principal Responsibilities:
- Support and Maintenance of the Network – NSS (XaCore-DMS-MSC-HLR-SDM-USP-CAMEL) GSM 1900
- Provide technical support, MSC/HLR Translations, Customer liaisons and Training on field for the customer.
- Assisting the Customer for the MSC-HLR & SDM-HLR acceptance
- Assistance to the Customer's provisioning people for the set-up of the provisioning platform and daily support.
-Work with customer and roaming partners to facilitate IREG testing and product troubleshooting in
support of roaming department, creating, and implementation of network requirements to enable roaming.
- USP-STP Operation and Maintenance (Datafill , Implentation of new links, GTT translations,etc)
- Perform testing and support for implementation of new services, GPRS (just MSC/HLR Side) - CAMEL
- Implementation and Testing of Local Number Portability LNP (Database Query) using a B-STP Nortel
Company:       NORTEL NETWORKS – (PARAGUAY) – NORTEL AOS Engineer
Dates:                        14/FEB/02 – 13/JAN/03
Position Title:           GSM Field Support Engineer (Contractor) Copesa Project
Principal Responsibilities:
Support and Maintenance of the Nortel Telecommunications Network-NSS + BSS-BTS-S8000  (GSM 1900)
Assist to the Customer as a 1st TAS engineer
Commissioning  and OMC-R Datafill of TCU’s  and Type Upgrade of BSC’s
Company:       NORTEL NETWORKS [1] - (PARAGUAY)
Dates:                        16/JUL/01 – 31/AGT/01
Position Title:           BTS S8000 Commissioning Engineer  (Contractor) -Copesa Project
Principal Responsibilities: 
Commissioning and expansion of cells BTS S8000 Outdoor  (Nortel GSM 1900)
Duties:
Assist to Nortel to get and acceptance from the customer for the new equipment
Bring a technical support to the OMC-R people in order to get up the new sites as well as the sites expanded.
Company:       NORTEL NETWORKS – (PARAGUAY)
Dates:                        24/MAR/00 – 11/APR/01
Position Title:           GSM Field Support Engineer (Nortel Contractor-Copesa Project)
Principal Responsibilities:
Support and Maintenance of the Telecommunications Network (Nortel GSM 1900)
Duties:
Assist to Nortel to hand off the network to the Customer/ assistance to the Nortel sales people.
Support of 2 DMS-100 Nortel MSCs and a HLR and other devices of a GSM network (VM,BTS,IWF)
Commissioning of Nortel BTS’s Outdoor  S8000  and  Microwave Power plant.
Coordinate and prepare documentation to installing and checking External Alarms at the GSM Network  
[1] Telecommunications Provider
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