Summary
Overview
Work History
Education
Skills
Certification
Technical Summary
Timeline
Generic

Ruben P. Arnedo

Mesquite

Summary

Accomplished CDMA Core Technical Support Engineer at Ericsson with expertise in network troubleshooting and customer relationship management. Proven track record of delivering high-quality solutions and enhancing customer satisfaction through effective communication and problem resolution. Skilled in C++ and dedicated to continuous improvement in technical support and system integration.

Overview

28
28
years of professional experience
1
1
Certification

Work History

CDMA Core Technical Support Engineer

Ericsson
Richardson
08.2010 - Current
  • Provide high quality and timely Customer support for Verizon Wireless Core Networks
  • Responsible for providing analysis and resolution to high, medium, and low priority customers’ problem tickets
  • Responsibilities include problem consultation, isolation, verification, resolution, and documentation in a timely manner while maintaining a high customer satisfaction

Software Engineer and Network Support Engineer

Nortel
Richardson
01.2004 - 12.2009
  • Acted in the role of Senior Software designer developing quality software designs, tools, and High Level and Low Level Design documents for Nortel’s Packet MSC
  • Provided network setup and network support for product test and verification; delivered quality work on time while improving customer satisfaction at lower cost for both the customer and Nortel
  • Trusted with the MTX Call Processing Translations software group ownership and identified potential design improvements in the areas of capacity, efficiency, maintainability, flexibility, and simplicity
  • In addition, supervised new code developments
  • Supported, trained, and mentored Nortel’s designer, testers, and GPS group personnel in India and in China; Explained Nortel’s CDMA Packet Core nodes functionality, software, software design procedures, call flows, software patching procedures, and quality expectations
  • Aided these personnel to rapidly achieve goals and obtained product groups ownerships; a must for Nortel’s R&D cost reduction
  • Supported and communicated with third party Designers, Product Verification Engineers, and GPS groups, to ensure their IP products met or exceeded Nortel’s expectations
  • Team-up with a group of Design and Product Verification Engineers on the customer acceptance and integration of Nortel’s Packet MSC features like TrFo, SIP-T to SIP Network evolution, and other; these were highly visible assignments and key for Nortel’s financial mandate
  • Developed test procedures, test suites, call flows, and tools modification like software based simulator, for Nortel’s Packet MSC RFC(s) Compliancy Testing and Acceptance
  • This was a challenging assignment due to third parties (C++) software developments and their integration with Nortel’s OO software
  • Provided high quality and timely support to Nortel’s CMDA Core GPS, Design, and PLM groups
  • Provided high quality and timely customer support during Nortel’s CMDA Core Upgrades (ONP)

Fast Feature Software Designer/Support Engineer

Nortel
01.2001 - 12.2004
  • Researched, planned, created High Level and Low Level Design documents, and developed high quality MTX software patches for customers’ specific features and tools; Achieved deliverables on time with high customer satisfaction
  • Provided high quality and timely support to Nortel’s CMDA Core GPS and PLM groups
  • Provided high quality and timely customer software support during Nortel’s CMDA Core Upgrades (ONP)
  • Recognized as a CALEA’s (Communications Assistance for Law Enforcements Act) subject of matter expert (SME); In doing so, reviewed and developed customers’ specific features, which included features for the Russian LI Act (SORM) in accordance with Russian Law Enforcements Act and the Russian Communication Commissioner mandates to obtain Nortel’s MTX certification in Russia
  • Led a group of Designers and Product Verification engineers to the redesign, completion, and testing of Nortel’s MTX Ringback Tones feature, while ensuring Communications Assistance for Law Enforcements Act compliancy
  • This was a timely demanded customer’s feature and a key component that significantly improved customer satisfaction

Software Support Engineer

Nortel
01.1997 - 12.2001
  • Provided high quality and timely VoIP software support and software integration, a JAVA software solution
  • In addition, Provided VoIP Network support to other Nortel’s software and verification engineers while ensuring that their expectations were meet or exceeded
  • Recognized as a DMS (DMS-250/300/500), and MTX Software Support SME, in doing so, provided high quality and timely software patches and technical support to high priority customers’ tickets and other Nortel’s engineers while ensuring that their expectations were meet or exceeded

Education

B.S. - Electronic Engineering

DeVry University
Dallas, Texas

A.S. - Electronic Technician

DeVry University
Dallas, Texas

Skills

  • CDMA
  • Packet MSC
  • MTX
  • DMS
  • IP Switching
  • IS-41
  • ISUP
  • TCAP
  • IOS 502
  • ISDN
  • SS7
  • SIP
  • SCTP
  • ASPEN
  • H248
  • TCP/IP
  • J-STD-25
  • Protel
  • C
  • Java
  • C
  • OOP
  • OOA
  • Customer support
  • Network troubleshooting
  • Problem resolution
  • Test procedures
  • System integration
  • Customer relationship management
  • Effective communication
  • Team collaboration
  • Debugging techniques
  • Critical thinking
  • Continuous improvement
  • Technical troubleshooting
  • Technical expertise
  • Support case resolution
  • Relationship building
  • Debugging
  • Troubleshooting and diagnosis
  • Training material development
  • System troubleshooting
  • Problem-solving
  • Analytical thinking

Certification

  • Cisco Certified Network Associate (CCNA)
  • Cisco Certified Network Professional (CCNP), CSCO11657896
  • CompTIA Security +

Technical Summary

Over eight years of working experience with Nortel’s CDMA Networks, Circuit and Packet Core., Packet MSC (XA-Core platform and VSE platform), Nortel Passport PP8600 Router, AudioCodes’ Media Server 2000 Series (MS2010,MS2030), Gateway Controller, Media Gateway, Universal Signaling Point, CNM, CMT, CBM (SUN/ORACLE Servers), Virtual Router Distribution Node, Inter-Working Spectrum Peripheral Module (converts Bearer Path from packet to circuit and vice-versa), Extensive experience in Unix and Linux operation systems

Timeline

CDMA Core Technical Support Engineer

Ericsson
08.2010 - Current

Software Engineer and Network Support Engineer

Nortel
01.2004 - 12.2009

Fast Feature Software Designer/Support Engineer

Nortel
01.2001 - 12.2004

Software Support Engineer

Nortel
01.1997 - 12.2001

B.S. - Electronic Engineering

DeVry University

A.S. - Electronic Technician

DeVry University

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Ruben P. Arnedo