George Griffin
Raleigh,NC
Summary
Network Engineer specializing in layer 2/3 troubleshooting and routing protocols. Demonstrated ability to enhance network performance and customer satisfaction through effective deployment of Ethernet, MPLS, and Frame Relay technologies while configuring complex systems.
Overview
39
39
years of professional experience
Work History
Sr. Specialist Network Assurance
HCLTECH
Cary, NC
01.2021 - Current
- Provided Tier 2 and Tier 3 support for Ethernet P2P, VPLS, MPLS, and Frame Relay networks. Performed layer 2 and layer 3 troubleshooting for Ethernet products and services. Investigated and resolved logical layer issues on MPLS networks. Provided support for the replacement and configuration of multiple Verizon BEAS devices, including Ciena 3903, Adva 1400's Adva(overture), RADs, and Anda 2108/2200. Deployed sniffers to remote customer sites to help isolate and troubleshoot complex issues. Well versed in support of layer 2/3 configurations for transport devices, eg Juniper MX-960, Cisco ASR 9000. Fujitsu Flashwave 9500 and Tellabs 8860. Worked with customers to resolve issues with routing protocols such as BGP, OSPF, EIGRP and RIP. Support of MPLS routing issues and identifying if there are customer router configuration issues or if there is an issue on the backbone. Theory, OSI Model Layers 1-3, Layer 1 Protocol Fundamentals, TDM - T1, E1, SONET, T3, Ethernet - 10/100 Gig-E, Copper / Fiber, Layer 2 protocol Fundamentals, Frame Relay
Senior Network Engineer
VERIZON BUSINESS
Cary, NC
01.2005 - 01.2021
- Provided Tier 2 and Tier 3 support for Ethernet, MPLS, PIP, Frame Relay and ATM networks. Performed layer 2 and layer 3 troubleshooting for Ethernet services. Investigated and resolved logical layer issues on MPLS networks. Worked with Product development, Engineering and IT groups on new products being developed such as Ethernet and dynamic bandwidth. Provided support for the replacement and configuration of multiple Verizon BEAS devices, including Ciena 3903, Adva 1400's Adva(overture), RADs, and Anda 2108/2200. Provided support for Port moves to resolve customer issues. Deployed sniffers to remote customer sites to help isolate and troubleshoot complex issues. Well versed in support of layer 2/3 configurations for transport devices, e.g. Juniper MX-960, Cisco ASR 9000. Fujitsu Flashwave 9500 and Tellabs 8860. Worked with customers to resolve issues with routing protocols such as BGP, OSPF, EIGRP and RIP. Support of MPLS routing issues and identifying if there are provider router configuration issues or if there is an issue on the backbone. Theory used working knowledge of the OSI Model Layers 1-3 to resolve customer reported issues. Provided troubleshooting of layer 1 fundamentals to provide support for TDM services to include -DS0, T1, E1, SONET, T3.
Technical Consultant
DYNAX SOLUTIONS
Durham, NC
01.2000 - 01.2001
- Delivered technical support in AT&T MNS organization; utilized HP OpenView for monitoring and troubleshooting customer networks.
- Collaborated with clients to identify technical requirements and solutions.
- Developed and delivered training programs for end-users on software applications.
- Conducted system assessments to optimize client technology infrastructure.
Hyperstream Engineer III
MCIWORLD COM
Cary, NC
01.1995 - 01.2000
- Proficient in WAN/LAN environment (ie, TCP/IP, OSPF, RIP, EIGRP) and Cisco internetworking topology. Cisco Certified Network Associate (CCNA). Resolved customer Frame Relay access issues across layer 1 to layer 7 of OSI model using Network General protocol analyzer, enhancing connectivity and service reliability. Also working knowledge of Ethernet, Token Ring, and FDDI concepts. Remotely isolated troubles on Verilink csu's and DL3800 inverse-multiplexers. Resolved logical and physical layer issues on Bay Networks (BNX) switches, contributing to improved network stability. Used Alcatel and Titan Wideband DXC's to remotely troubleshoot physical layer issues. Tested digital and analog ckts, ranging from DS1 to DS0 lvl. Coordinated dispatches with LEC customer vendors and MCIWORLD COM field engineers. Monitored and troubleshot LEC and customer equipment including dsu/csu's, modems, smartjacks, channel banks, ocu's, and multiplexers in real-time, ensuring minimal downtime.
- Designed and optimized engineering processes for telecommunications infrastructure.
- Collaborated with cross-functional teams to enhance project development and execution.
- Implemented quality control measures to ensure compliance with industry standards.
Microwave Systems Operator/Maintainer
United States Army
Camp Roberts, CA
01.1988 - 01.1995
- Troubleshot, tested, and maintained analog and digital circuits and associated equipment over seven years to ensure reliability and functionality. Utilized FIREBERD 6000 and other test equipment to isolate and resolve circuit issues, enhancing system performance. Installed, configured, and maintained D4 channel banks, fiber muxes, and FCC-98'S to support communication infrastructure.
- Operated and maintained complex systems and equipment for military operations.
- Monitored system performance and identified issues for timely resolution.
- Coordinated logistics and resource allocation to support mission readiness.
Education
Certificate -
Cisco Campus ATM Solutions
Certificate -
Cisco Certified Network Associate (CCNA) Inactive
Certificate -
Advanced Cisco Router Configuration Course
Certificate -
Introduction Cisco Router Configuration Course
Certificate -
US Army, ICF Fiber Optics Course
Certificate -
US Army, Timing and Synchronization Course
Certificate -
US Army, Communications Systems Circuit Controller
Timeline
Sr. Specialist Network Assurance
HCLTECH
01.2021 - Current
Senior Network Engineer
VERIZON BUSINESS
01.2005 - 01.2021
Technical Consultant
DYNAX SOLUTIONS
01.2000 - 01.2001
Hyperstream Engineer III
MCIWORLD COM
01.1995 - 01.2000
Microwave Systems Operator/Maintainer
United States Army
01.1988 - 01.1995
Certificate -
Cisco Campus ATM Solutions
Certificate -
Cisco Certified Network Associate (CCNA) Inactive
Certificate -
Advanced Cisco Router Configuration Course
Certificate -
Introduction Cisco Router Configuration Course
Certificate -
US Army, ICF Fiber Optics Course
Certificate -
US Army, Timing and Synchronization Course
Certificate -
US Army, Communications Systems Circuit Controller