Arturo Chang
Miami,USA
Summary
Detail-oriented Telecom Networking Engineer with 15+ years of experience in technical sales support, vendor management and engineering. Demonstrated expertise in understanding client requirements, managing technical solutions for connectivity services, and coordinating activities to drive successful project outcomes. Eager to leverage technical knowledge, technical experience, and vendor management skills to contribute to efficient project execution and organizational success.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Networks Consultant
Self Employed
02.2024 - Current
- Implemented and optimized network systems to support operational efficiency and business growth.
- Delivered customized solutions and provided client support in cybersecurity, cabling, troubleshooting, and upgrades for new installations and network transformations.
- Assessed client requirements and recommended best-fit technologies to ensure reliable, secure, and scalable network performance.
- Partnered with small businesses, remote sites, and specialized technical projects to ensure seamless connectivity and business continuity.
Customer Pre-sales Engineering Support
Telefonica Global Solutions USA, Inc.
10.2016 - 02.2024
- Led the design and negotiation of high-value, complex telecommunications solutions for Telefónica global accounts, including Microsoft, Santander, BBVA, Samsung, JP Morgan, Bloomberg, Ford, General Motors, CEMEX, among others.
- Specialized in crafting tailored, scalable, and resilient solutions integrating multi-vendor technologies to meet diverse enterprise client needs across Latin America, the Caribbean, Canada, the United States, and Europe.
- Managed vendor relationships with major telecom carriers in the US, Mexico, South America, Central America, coordinating service delivery, aligning technical specifications, and ensuring SLA compliance to support seamless regional connectivity.
- Partnered with clients during pre-sales, sales, and post-sales phases, providing expert consultation on solution design, optimization, and technical validation.
- Designed and supported advanced connectivity solutions, including IP Transit, Carrier Grade Ethernet, MPLS, SD-WAN, and high-capacity Point-to-Point services.
- Analyzed client requirements, developed technical specifications, and ensured alignment with both business objectives and technical needs.
Deal Specialist Manager
Telefonica International Wholesale Services
09.2014 - 10.2016
- Managed multi-vendor relationships at both technical and commercial levels, with a focus on the presales phase for international connectivity solutions including WAN, MPLS, and Ethernet services.
- Coordinated internal teams and external providers to develop timely, competitive pricing strategies and sourcing solutions tailored to client requirements.
- Provided expert consultation on regional market conditions, pricing structures, regulatory considerations, taxation, and vendor capabilities.
- Specialized in Latin America and the Caribbean, with a proven track record of collaboration with leading regional carriers such as Cable & Wireless, Gold Data, Claro, Altice, TIGO, Ufinet, Liberty, BTC, and Digicel.
Carriers Interconnection Manager
TELEFONICA VENEZOLANA CA
07.2011 - 08.2014
- Evaluation of projects and budget management with all national and international fixed and mobile networks interconnected to Telefónica-Venezuela’s network. Managed the entire requirement to meet all necessary physical infrastructure requirements to supply energy, housing, and climate conditions. Capacity estimation and dimensioning for transport and core switching networks related to interconnection and wholesale services according to the market needs. Site planning, design, and administration of interconnection sites to meet all regulatory standards of the Venezuelan National Telecommunications Commission (CONATEL).
Procurement Specialist
TELEFONICA VENEZOLANA CA
11.2008 - 07.2011
- Procurement of services related to networking equipment and services, national and international capacities with providers and carriers. Network infrastructure equipment Nokia, Ericsson, Huawei (> US$30M), IP Backhaul (> US$25M), Core and National Transport Network hardware (Alcatel, Huawei, Ceragon, Ericsson, ZTE, etc) IP/MPLS core, short and long-haul microwave access networks.
Education
Bachelor’s Degree - Systems Engineering
UNIVERSIDAD ALEJANDRO DE HUMBOLDT
Caracas, Venezuela03.2005
Associate's Degree - Electronic Technologies in Electrical, Electronic, and Communications Engineering Technology/Technician
UNIVERSIDAD SIMON BOLIVAR
Venezuela10.1996
Skills
- Network connectivity solutions
- MPLS networking
- Ethernet networking
- Proficient in DWDM systems
- Network connectivity solutions
- P2P networking expertise
- Sales support expertise
- Salesforce platform expertise
- Skilled in Microsoft Office tools
- Experienced in utilizing Google Earth Pro
- Cybersecurity best practices
- Vendor Management
Accomplishments
- Supervised team of 5 staff members.
- Achieved successful global connectivity projects by integrating multiple international carriers with accuracy and cost efficiency.
- Used Salesforce to develop accurate reports to display sales opportunities from different channels.
- Negotiated multi-year vendor contracts that reduced annual operating costs by 10% YoY while ensuring service quality and compliance with SLAs.
- Coordinated cross-functional teams (legal, finance, operations, sales) to ensure vendor contracts aligned with business and regulatory requirements.
- Built and maintained strong relationships with vendors and internal stakeholders, fostering collaboration that improved escalation resolution
Certification
- Global Management Program / IESE. Barcelona, Spain
- Project Management - Google
- Google Cybersecurity Professional Certificate - Google
- Cisco Networking Fundamentals – Cisco Skills For All
- Cisco Voice Over IP – CISCO Systems
- Nokia Siemens Transport for Mobile Networks
- Alcatel Optical Networks Backhaul Engineering
- Ericsson Voice Networks Signaling Systems
Languages
Spanish - Fluent
English - Fluent
Timeline
Networks Consultant
Self Employed
02.2024 - Current
Customer Pre-sales Engineering Support
Telefonica Global Solutions USA, Inc.
10.2016 - 02.2024
Deal Specialist Manager
Telefonica International Wholesale Services
09.2014 - 10.2016
Carriers Interconnection Manager
TELEFONICA VENEZOLANA CA
07.2011 - 08.2014
Procurement Specialist
TELEFONICA VENEZOLANA CA
11.2008 - 07.2011
Bachelor’s Degree - Systems Engineering
UNIVERSIDAD ALEJANDRO DE HUMBOLDT
Associate's Degree - Electronic Technologies in Electrical, Electronic, and Communications Engineering Technology/Technician
UNIVERSIDAD SIMON BOLIVAR
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