David Eberlin
Havertown,PENNSYLVANIA
Summary
Dynamic Network Engineer with extensive experience at Vanguard, specializing in SIP environment installations and VoIP migrations. Proven ability to manage vendor relationships and execute data center relocations. Adept at troubleshooting and optimizing unified communications systems, ensuring seamless operations for over 30,000 users. Strong leadership and technical skills drive successful project outcomes.
Overview
28
28
years of professional experience
Work History
Network Engineer
Vanguard
Wayne, United States
04.2020 - 12.2025
- Installed a SIP environment with 12 US-based 8 European-based, and 4 Australian Ribbon SBC's
- Configured Ribbon PSX and Ramp for all locations. Applied initial software, patching, and software updates.
- Moved 30,000 users from Avaya to Teams Voice
- Set up and installed Teams Physical phones across the US
Systems Administrator II
Teva Pharmaceuticals
West Chester, United States
04.2015 - 04.2020
- Support Sales and Marketing Support Call Centers
- Manager Vendors and Applications
- Install new facilities as the company expands
- Train users in new applications
Unified Communications Specialist
Teva Pharmaceuticals
11.2011 - 04.2019
Systems Analyst II
Teva Pharmaceuticals
Frazer, PA
11.2011 - 04.2015
- Maintained and installed VC and phone systems throughout the US
- Managed mobility support and rel;relationshipS
- Performed all moves, add and changes
- Troubleshooting cable and low voltage issues
- Installed a VC system and phone system in Hong Kong
Systems Analyst II, IT&S Services
Cephalon
05.2010 - 11.2011
- Maintained and installed VC and phone systems throughout the US
- Managed mobility support and rel;relationshipS
- Performed all moves, add and changes
- Troubleshooting cable and low voltage issues
- Moved data center including switched, servers and cables to a new location
Communication Engineer
Research Analysis and Maintenance
01.2002 - 01.2004
- Managed Nortel PBX and performed all maintenance and installation
- Responsible for backbone infrastructure and cabling
- I installed and tested Cat5e Cabling for all locations
- Installed Fiber cabling
- Installed large backbone cable
Telecom Technician
White Harris
01.1998 - 01.2001
- PBX Maintenance
- MAC work
- Video Conference System Support
Communications Specialist
Cephalon
- PBX MAC work on a Siemens PBX
- Install cabling
- Troubleshoot network issues
Education
Bachelor of Arts (BA) - Business, Management, Marketing
Pennsylvania State University
University Park, PA01-1997
Skills
- Network troubleshooting
- SIP environment installation
- VoIP system migration
- Unified communications configuration
- Data center relocation
- Vendor management
Personal Information
Title: Unified Communications Engineer
Timeline
Network Engineer
Vanguard
04.2020 - 12.2025
Systems Administrator II
Teva Pharmaceuticals
04.2015 - 04.2020
Unified Communications Specialist
Teva Pharmaceuticals
11.2011 - 04.2019
Systems Analyst II
Teva Pharmaceuticals
11.2011 - 04.2015
Systems Analyst II, IT&S Services
Cephalon
05.2010 - 11.2011
Communication Engineer
Research Analysis and Maintenance
01.2002 - 01.2004
Telecom Technician
White Harris
01.1998 - 01.2001
Communications Specialist
Cephalon
Bachelor of Arts (BA) - Business, Management, Marketing
Pennsylvania State University