Efrain Cortez
Atlanta (Cumming)
Summary
Experienced Telecommunications Engineering professional with a proven track record at major national Carrier and Construction organizations, specializing in Strategic Planning and Business Development, driving significant growth in telecom wireless Engineering and Construction services, Data Centers and EV Infrastructure. Adept at team leadership and project management, consistently delivering results that exceed client expectations.
Overview
39
39
years of professional experience
1
1
Certification
Work History
VP Business Development
MasTec Network Solutions
Atlanta
09.2017 - Current
- Development of EV Infrastructure and Data Center Services; Customers include Amazon, Tesla and many others
- Responsible for expanding Engineering services into the Verizon account
- Effective selling of RF Engineering, Small Cell/DAS, Microwave Design and various types of wireless engineering services
- Regular presentations of company service capabilities to existing and prospective clients in the wireless industry; Regular use and relationship updates using SalesForce
- Development of EV Infrastructure and Data Center Services; Customers include Amazon, Tesla and many others
Senior Consultant – Spectrum Management for Verizon Wireless
Collabera
Morristown
01.2013 - 07.2016
- AWS spectrum management negotiator for Verizon Wireless; Clear spectrum for use of LTE services
- Contact microwave owners with interfering AWS licenses, develop relationships and negotiate contract terms for license cancellations or relocations
- Relocation agreement contract development and regular communication with senior attorneys
- Goal was to have little or zero investment for Verizon in relocating interfering incumbents
- Reported back to Verizon Senior Management including attorneys on negotiation status
- Understanding of FCC rules and regulations with respect to relocation; FCC/ULS database management
- Team oriented thinking, self-motivated, strong analytical skills including problem solving, clear communicator, trouble shooting, management of priorities and self-direction
VP Sales and Business Development
Stream Wireless Incorporated
Rockville
08.2007 - 12.2012
- Effective selling of RF Engineering, Microwave Design and Tower Mapping services
- Regular presentations of company service capabilities to existing and prospective clients
- Customer proposal writing and development; Customer support before and after the sale
- Technical support including Spectrum Management
- Capital and Expense budget management
VP Sales and Business Development
WFI - Wireless Facilities Incorporated
Reston
01.2004 - 01.2007
- Initially at WFI served as Senior Manager of Engineering, moved into the position of Director of Fixed Network Engineering and was later promoted to Vice President of Sales and Business Development
- Project Manager for an array of projects for major domestic wireless carriers including Core and Radio projects
- Responsibilities included Sales, budget management, technical planning and project management
- Project Managed team of Core Network engineers to develop switch parameter recommendations for standardization across the US Cellular Nortel MSCs
- Core network engineering and optimization of 45 MSC switch sites for T-Mobile network providing recommendations on network re-design using Ericsson core replacement equipment and relocation of 25 co-located MSC and 128 BSCs
- Project Manager for staffing of new personnel for T-Mobile GSM Network in California and Nevada
- Project Manager for MSC and Core Network equipment audits of T-Mobile switching centers in Southern California
- Provided ongoing support to WFI Sales Organization promoting Fixed Network Engineering products
- Budget tracking and analysis
- Teacher, coach and mentor to Engineering staff
Senior Manager Core Network Engineering – START-UP CARRIER CELL-C
Oger Telecom
01.2001 - 01.2004
- GSM Core Network Engineering Design for 3rd license new GSM network deployment in Johannesburg South Africa
- Evaluated initial vendor bids and consulted in vendor selection process. Comparative analysis of vendor bids to determine best alternative from a cost versus technical capability perspective. Consideration of short term needs with flexibility to absorb long term network evolution.
- Established network design and architecture from ground zero. Formulated the traffic engineering assumptions that would represent the basis for core network element requirements. Evaluated marketing subscriber forecast assumptions in conjunction with the traffic assumptions to determine capacity needs, short and long term.
- Determined whether a gateway network versus distributed architecture was best suited for implementation. Determined SS7 design architecture. Network capacity studies for key core network elements including Switches, Signal Transfer Points, Voice Mail, Short Message Server, Customer Care PBXs, etc.
- Established transport facility requirements between the internal core network elements. Transport facility requirements. Design of transport redundancy and overflow architecture to minimize outages and ensure non-blocking of services.
- Determined quantity of trunks needed to support voice and signaling traffic in the short and long term. Ensured that sufficient switch port capacity was available to support requirements for transport facilities.
- Established relationship with Local Exchange Carrier (LEC) facility provider to ensure timely delivery of circuits. Established relationships with external interconnect networks (wireless and fixed-line) to place interconnection facilities into service.
- Presented forecast of traffic growth expectations and sought buy-in from external networks to ensure enough transport facilities were in place to handle voice and signaling traffic. Explored possibilities of VoIP implementation over high usage interconnect points.
- Budget considerations. Translated network capacity requirements and transport facility requirements into budget forecasts for short and long term.
- Technical support to other internal organizations
- Provided Operations support as needed to solve technical problems. Communicated planned upgrades to core network elements.
- Supported Marketing organizations; analyzed feasibility of new network products and services.
- Supported Legal organization in establishing and updating interconnection agreements with other carriers and fulfilling government requirements like legal intercept, emergency services, national roaming agreements, international roaming agreements and the like.
- Created, developed and managed Network Planning and Engineering team of Engineers
- Personally involved in hiring process; established roles and responsibilities for each Engineer.
- Communicated individual and team goals; Held regular sessions to review progress toward goals. Teacher, coach and mentor to Engineering staff.
- Consultant for Oger Telecom, South Africa
Senior Manager Network Engineering – START-UP CARRIER PEGASO
GTE Overseas Corporation
Mexico City
01.1998 - 01.2001
- CDMA Core Network Engineering Design for new CDMA network.
- Established network design and architecture from start-up. Established traffic engineering assumptions and evaluated marketing subscriber forecast assumptions in conjunction with the traffic assumptions to determine capacity needs.
- Transport facility requirements. Design of transport redundancy and overflow architecture to minimize outages and ensure non-blocking of services.
- Determined quantity of trunks needed to support voice and signaling traffic in the short and long term. Budget considerations. Translated network capacity requirements and transport facility requirements into budget forecasts for short and long term.
- Technical support to other internal organizations.
- Provided Operations support as needed to solve technical problems. Communicated planned upgrades to core network elements, such as increases in HW and SW modules for Alcatel CDMA100 and Siemens Series 9 MSC’s, pre-paid systems, Comverse SMSC and voice mail systems.
- Supported Marketing organizations to give input as to feasibility of new network products and services.
- Supported Legal organization in establishing and updating interconnection agreements with other carriers and fulfilling government requirements like legal intercept, emergency services, national roaming agreements and international roaming agreement with the USA.
- Supported Customer Care to ensure efficient and reliable calling capabilities to service reps.
- Created, developed and managed Network Planning and Engineering team of Engineers.
- Personally involved in hiring process. Established roles and responsibilities for each Engineer. Communicated individual and team goals. Held regular sessions to review progress toward goals. Teacher, coach and mentor to Engineering staff.
Network Architecture Planner and Various other Engineering Roles
Ameritech (now AT&T)
Chicago
01.1987 - 01.1996
- Designed network architecture for efficient circuit switched routing of internet traffic.
- Awarded Patent for a Network Architecture Design to improve circuit switched routing of internet traffic across the PSTN
- Design of fiber transport rings for CATV services, sizing and routing
- Extensive cost study analysis effort
- Teamed with other company business units to combine long range fiber needs
- Responsible for establishment of data switch sites: Frame Relay, SMDS, ATM switches, researching potential locations and buildings for conversion to data switching centers
- Real estate selection, power, space planning, vendor selection, equipment installation, facility planning
- Vendor and internal coordination of new switch and switch growth installations: 5ESS, Siemens, DMS, 1/1AESS. Received forecasted growth recommendations from traffic engineering and converted those requirements into switch extension orders to the respective vendors.
- Estimated capital expenditures for switch undertakings
- Accounting inventory of central office switch equipment
- Supervised 11 union telephone installation & maintenance employees
- Front-line contact with customers
- Developed switch fundamental plans
- Analyzed long range feasibility of analog to digital switch replacements
- Tracked switch usage/demand with Demand & Facility charts
- Designed switch capacity expansions with appropriate sizing and timing
Education
Master of Science - Telecommunications Engineering
DePaul University
Chicago, ILBachelor of Science - Mechanical Engineering
Purdue University
IndianaSkills
- Telecommunications
- Sales and Business Development
- Network Engineering
- Switching
- Transport
- Business Strategy
- Negotiation
- EV Infrastructure Development
- Data Center Services
- Strategic Planning
- Management
- Team Leadership
- Radio Spectrum Management
- Spectrum Clearing
- MOBILE SYSTEMS
- AWS (21 GHz)
- LTE
- GSM/GPRS/EDGE
- IS-95
- CDMA2000
- Microwave
- CBRS
- SalesForce
- Project Management Certification - PMP
- Microsoft Office
Awards
- Patent awarded for Network Architecture Design in Circuit Switched Internet Traffic Routing
- WFI Circle of Excellence Sales and Business Development Award
Mobile Systems
- AWS
- LTE
- GSM/GPRS/EDGE
- IS-95
- CDMA2000
- Microwave
- 2.1 GHz
- CBRS
Languages
Spanish
Full Professional
Certification
Project Management Professional (PMP)
Timeline
VP Business Development
MasTec Network Solutions
09.2017 - Current
Senior Consultant – Spectrum Management for Verizon Wireless
Collabera
01.2013 - 07.2016
VP Sales and Business Development
Stream Wireless Incorporated
08.2007 - 12.2012
VP Sales and Business Development
WFI - Wireless Facilities Incorporated
01.2004 - 01.2007
Senior Manager Core Network Engineering – START-UP CARRIER CELL-C
Oger Telecom
01.2001 - 01.2004
Senior Manager Network Engineering – START-UP CARRIER PEGASO
GTE Overseas Corporation
01.1998 - 01.2001
Network Architecture Planner and Various other Engineering Roles
Ameritech (now AT&T)
01.1987 - 01.1996
Master of Science - Telecommunications Engineering
DePaul University
Bachelor of Science - Mechanical Engineering
Purdue University