RAN Support, PIM/VSWR Troubleshooting

Location:

Perris, CA

Posted:

May 15, 2024

Contact this candidate

Resume:

JAIME A. ROMERO

Mobile: 214-***-**** ** Cuyahoga Ct, Perris, California 92570. ad5p5l@r.postjobfree.com

PROFILE:

Telecom professional with hands on experience working with Ericsson GSM/EDGE, UMTS and LTE/5G wireless technologies, RF-RAN-EUTRAN-OPTIMIZATION-ENGINEER/PIM-RSSI-TROUBLESHOUTER & support. Had excellent troubleshooting skills, Technical Assistance Center (TAC) Analyst/TIER 2, consultative problem-solving skills, and a keen focus on fulfilling client’s requirements. Proven technical skills with 10-years+ experience working in: Operations, Maintenance, E911 Test, Integration, Fieldwork and RF/Performance & Optimization Engineering, Software Upgrades, RAN Support/TIER 2

PROFESSIONAL EXPERIENCE

ERICSSON INC, USA 06/2023 – 04/2024

RAN SW ENGINEER

RAN Lab Support

Recent experience in radio network design, implementation and/or tuning/optimization systems.

Ericsson-LTE BB6630 BB6649 RP6651 Commissioning/Integration/ Troubleshooting/Optimization

5G RAN (NG-RAN) support.

Cluster Optimization / Parameters check - change

IXRe Cutover Support, 5G Port Provision support.

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Technical Assistance Center (TAC) Analyst/TIER 2

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP, CYWIN.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

WAVSYS LLC, USA 10/2022 – 06/2023

RF/EUTRAN-RAN INTEGRATION ENGINEER

Customer – ERICSSON

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

Ericsson BB5216, BB6630, BB6648 Commissioning/Integration/ Troubleshooting/Optimization.

5G RAN (NG-RAN) support.

Cluster Optimization / Parameters check - change

SAU Integration – Verizon Project

IXRe Cutover Support, 5G Port Provision support.

Verizon AAV 1G-10G Cutovers deployment

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Technical Assistance Center (TAC) Analyst/TIER 2

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

Knowledge of the following products: AXE 501, RNC 810 3G UMTS, Power PDU, EPDU. BTS 2100 series, UMTS Node B 3100 series cabinets, BBU power, LTE E Node B 6000 Series Cabinets, BBU’s/XMUs, RXAIT, Hybrid Cable and AIR Antennas.

WAVSYS LLC, USA 09/2020 – 10/2022

RF/EUTRAN-RAN SWITCH TECHNICIAN III

Customer – T-Mobile.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

Ericsson BB5216, BB6630, BB6648 Commissioning/Integration/ Troubleshooting/Optimization

5G RAN (NG-RAN) support.

Parameters check - change

TMO B41 (L2.5/N2.5), AIR Antennas: Commissioning/Integration/ Troubleshooting/Optimization.

IXRe Cutover Support, 5G Port Provision support.

TMO New Sites Construction Deployment Support.

Technical Assistance Center (TAC) Analyst/TIER 2

TMO AAV 1G-10G Cutovers deployment

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

Monitoring, Performance, Analytics, Reporting and Checking using KPIs..

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

Mastec Inc, Richardson - TX 305-***-**** 2/2020 – 08/2020

RF/EUTRAN-RAN War Room Support Engineer

Customer – AT&T.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization.

5G RAN (NG-RAN) support.

Parameters check - change

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs..

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

PIM Identification & Mitigation.

Identify all PIM sources down to PIM Standards.

Technical Assistance Center (TAC) Analyst/TIER 2

Support PIM Mitigation, Support Distance to PIM measurements, Support PIM test lines.

Using: M-PiLOT & PiLOT tools: Tests though the min max and middle Electrical tilt range of antennas

Fusion Solutions Inc, Tustin - CA 11/2019 – 1/2020

RF/EUTRAN-RAN War Room Support Engineer

Client – Ericsson Inc, Customer – AT&T.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization.

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs..

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

PIM Identification & Mitigation.

Identify all PIM sources down to PIM Standards.

Support PIM Mitigation, Support Distance to PIM measurements, Support PIM test lines.

Using: M-PiLOT & PiLOT tools: Tests though the min max and middle Electrical tilt range of antennas

RFDS validation support using Autoforms Tool for new site or site modifications.

WAVSYS LLC, Torrance California 4/2019 – 11/2019

RF/UTRAN/EUTRAN-RAN Switch-Support Engineer

Client – T-MOBILE.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs.

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post carrier Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

RFDS validation support, COP (Close Out Packages) Support.

AMATEL Inc, Nevada-Arizona 1/2019 – 3/2019

RF/UTRAN/EUTRAN-RAN War Room Support Engineer

Client – AMATEL Inc, Customer – VERIZON.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs.

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post Carrier Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

RFDS validation support, COP (Close Out Packages) Support.

Nexius Inc, Frisco Texas 3/2018 – 10/2018

RF/UTRAN/EUTRAN-RAN War Room Support Engineer

Client – NEXIUS Inc, Customer – AT&T.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs..

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

PIM Identification & Mitigation. Interpret the results.

Identify all PIM sources down to PIM Standards.

Support PIM Mitigation, Support Distance to PIM measurements, Support PIM test lines.

Using: M-PiLOT & PiLOT tools: Tests though the min max and middle Electrical tilt range of antennas

RFDS validation support, COP (Close Out Packages) Support.

Brook Consultants Inc, Los Angeles CA 7/2017 – 2/2018

RF/UTRAN/EUTRAN-RAN War Room Support Engineer

Client – Ericsson Inc, Customer – AT&T.

Ericsson-LTE RBS 6000/BBU/XMU Commissioning/Integration/ Troubleshooting/Optimization

AT&T New Sites Construction Deployment Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Optimization: Checking budgets, parameters setting, licensing and features review.

NEA (External-Alarms) definition and test

Monitoring, Performance, Analytics, Reporting and Checking using KPIs..

RiLinks, RETs and MIMO: scripting troubleshooting and support.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Provide technical support to field teams for installation, integration & commissioning.

Performance monitoring post L1C-L2C-L3C-L4C-L5C-L6C Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

PIM Identification & Mitigation.

Identify all PIM sources down to PIM Standards.

Support PIM Mitigation, Support Distance to PIM measurements, Support PIM test lines.

Using: M-PiLOT & PiLOT tools: Tests though the min max and middle Electrical tilt range of antennas

RFDS validation support using Auto forms Tool for new site or site modifications.

MobileComm Professionals Inc, Charlotte NC 3/2017 – 6/2017

RF/UTRAN/EUTRAN-RAN War Room Support Engineer

Client – T-Mobile.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Troubleshooting and Corrective maintenance of UTRAN equipment Alarms

Monitoring, Performance, Analytics, Reporting and Checking using KPIs.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

E911 Provisioning Check, Call Test Check, RIOT.

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Troubleshooting of GSM/UMTS/LTE Nodes.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post L700 Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

Support Sweep lines and check DTF, Support PIM test lines.

GC Support for GSM/UMTS/LTE Technologies

Knowledge of the following products: UMTS Node B 3100 series cabinets, BBU power, LTE E Node B 6000 Series Cabinets, RXAIT, Hybrid Cable and AIR Antennas.

Wavsys LCC, Charlotte NC 05/2016 – 02/2017

UTRAN/EUTRAN-RAN War Room Support Engineer

Client – T-Mobile.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Troubleshooting and Corrective maintenance of UTRAN equipment Alarms

Monitoring, Performance, Analytics, Reporting and Checking using KPIs.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

E911 Provisioning Check, Call Test Check, RIOT

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Troubleshooting of GSM/UMTS/LTE Nodes.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post L700 Deployment.

Support Troubleshooting RSSI and VSWR Issues and RET controllers.

Support Sweep lines and check DTF, Support PIM test lines.

Support Check configurations on T-MOBILE network

GC Support for GSM/UMTS/LTE Technologies

Knowledge of the following products: AXE 501, RNC 810 3G UMTS, Power PDU, EPDU. BTS 2100 series, UMTS Node B 3100 series cabinets, BBU power, LTE E Node B 6000 Series Cabinets, RXAIT, Hybrid Cable and AIR Antennas.

Understanding of Core network connectivity (MSN, BSS, DAX- OC3) and RAN network connectivity- T1 NIU. to transport DAX

Gorilla Telecom Inc 08/2015 – 02/2016

Ericsson Field Engineer

LA-RICS/Motorola Ericsson Node Deployment

Install and Troubleshooting of ERICSSON-LTE Nodes.

Commissioning of BTECH (Battery Support System)

Provide technical support to field teams for installation & commissioning.

Alarm installs and test, Support Check configurations, GC Support for LTE Technologies.

Knowledge of the following products: BBU power, ERICCSSON-LTE E Node B 6000 Series Cabinets, RETs.

MobileComm Professionals Inc, Los Angeles CA 03/2015 – 07/2015

RF/UTRAN/EUTRAN-RAN War Room Support Engineer

T-Mobile Performance Assurance Group (PAG), War Room Support.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Troubleshooting and Corrective maintenance of UTRAN equipment Alarms.

Monitoring and Performance Check using KPIs

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell/AMOS OSS, FTP, TCP/IP.

E911 Provisioning Check, Call Test Check, RIOT

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Troubleshooting of GSM/UMTS/LTE Nodes.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post L700 Deployment.

Support Troubleshooting RSSI Issues and VSWR Issues and RET controllers.

Support Sweep lines and check DTF, Support PIM test lines.

Support Check configurations on T-MOBILE network

GC Support for GSM/UMTS/LTE Technologies

Understanding of Core network connectivity (MSN, BSS, DAX- OC3) and RAN network connectivity- T1 NIU. to transport DAX

Gorilla Telecom Inc, Los Angeles CA 6/2014 – 11/2014

UTRAN/ETRAN-RAN War Room Support Engineer

Integrations and Troubleshooting of UMTS-LTE Nodes.

Commission and integrate ERICSSON eNode B remotely from OSS.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post modernization.

Support Troubleshooting RSSI and VSWR Issues, RET controllers.

Support Sweep lines and check DTF, Support PIM test lines.

Support Check configurations on ATT network

GC Support for UMTS-LTE Technologies

Wavsys LLC, Los Angeles CA 05/2013 – 05/2014

UTRAN/EUTRAN-RAN War Room Support Engineer

Client – AT&T.

Integrations and Troubleshooting of UMTS-LTE Nodes.

Commission and integrate ERICSSON eNode B remotely from OSS.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post modernization.

Support Troubleshooting RSSI and VSWR issues and RET controllers.

Support Sweep lines and check DTF, Support PIM test lines.

Support Check configurations on ATT network

GC Support for UMTS-LTE Technologies

Wavsys LLC, California 5/2013 – 8/2013

Field Engineer: AT&T - California

AT&T Tiger Team

Integrations and Troubleshooting of UMTS-LTE Nodes.

Commission and integrate ERICSSON eNode B remotely from OSS.

Provide technical support to field teams for installation, integration & commissioning.

Alarm & performance monitoring post modernization.

Troubleshooting RSSI and VSWR Issues and RET controllers.

Sweep lines and check DTF, PIM test lines.

Check configurations on AT&T network.

Networkers Inc, USA 12/2012 – 3/2013

UTRAN-RAN Integration Engineer

Client – Ericsson.

Integrations and Troubleshooting of T-Mobile Modernization Network.

Commission and integrate ERICSSON eNode B remotely from OSS.

Provide technical support to field teams for installation, integration& commissioning.

Alarm & performance monitoring post modernization.

Works with RF Engineers to coordinate RSSI and CQI improvement.

Markets: North West, SF South West, Los Angeles, North Los Angeles, South Cal

Troubleshooting and preventative maintenance of UTRAN equipment: Node B, RNC, and Cello Platform. Install and upgrade software in RAN Nodes: RNC, Node B

Alarms Mmonitoring, and Performance Check using KPI's

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell, FTP, TCP/IP.

Loading scripts to: Node B, RNC

Routine monitoring and review of radio network Key Performance Indicators (KPI).

Amatel Inc, USA 04/2012 – 10/2012

UMTS Integrator

Client – Ericsson, Markets: Texas-Oklahoma-Arkansas.

5C Integration/ Co-site with GSM, Call test, Integration and Troubleshooting of new Nodes B

Adding 3rd, 4th and 5th carriers to ATT-3G network

Implementation/integration, support testing environment

Troubleshooting and preventative maintenance of RAN and UTRAN equipment - Node B, RNC.

Cello Platform install and upgrade software in RAN Nodes - RNC, Node B.

Management of configuration versions, E1 testing. Backups on RAN nodes and inventory hardware and spares.

Tools used: element manager, Cello, RANOS, EMAS, XML, Moshell, FTP, TCP/IP.

Loading scripts to: Node B, RNC

EDUCATIONAL BACKGROUND / CERTIFICATIONS

Armada Nacional del Ecuador: Electronics Technician, Diploma

Escuela Politecnica Javeriana del Ecuador: Electronics Engineer, Bachelors’ Degree.

Ericsson-LTE RBS 6000 Commissioning/Integration Certification.

T-Mobile Multi-Standard Solution Deployment Certification.

Certified as a preferred Ericsson O&M consultant.

Contact this candidate