David G Email & Phone Number

Santa Clara, Ca, Us

San Diego, Ca, Us

Spearheaded the design and deployment of multi-region AWS networking infrastructures, integrating services such as Direct Connect, VPN, and ELB/ALB for enhanced hybrid cloud connectivity and data center performance.Enhanced data center transport connectivity reliability and resiliency through the strategic implementation of transport solutions, including Azure Virtual WAN, Virtual Hubs, and Express Routes within the Azure public cloud environment.Leading the planning, design, and implementation of critical projects, including architectural WAN perimeter redesign for staging the global SD-WAN deployment across 34 offices in AMR, EMEA, & APAC.Managed, maintained, and migrated Illumina's external DNS zones, redirects, and records to UltraDNS, Route53 & Mark Monitor.Implemented 3rd party perimeter DDOS mitigation through GRE and ARIN space advertisement.Successfully migrated and expanded datacenter deployments onto new Nexus 9K switching platforms.Configured and troubleshooted border and edge services such as MPLS, DMVPN, Aruba SDWAN, IPSec VPNs, DMZ, Palo Alto, and AnyConnect VPN.Developed Python scripts for data gathering and networking task automation using Netmiko & TextFSM.Deployed, upgraded, migrated, and troubleshooted F5 LTM services to ensure application resiliency.Collaborated with facilities and data center engineering to deploy corporate offices with a focus on MDF/IDF network deployment and cable management standards.Procured numerous circuit types including type 1, type 2, dark fiber, wavelengths, Cloudlinks, Ethernet, DIA, and DX from multiple providers.Administered and utilized Orion SolarWinds services like NPM, IPAM, NTM, & NCM, as well as NetBox.Proficient in using monitoring and capturing tools such as Wireshark, TCP Dump, NetFlow, Scrutinizer, Grafana, Cisco DNA, Splunk, & CheckMK for troubleshooting and data analysis.Collaborated with cross-functional teams to achieve business objectives and department goals.

Heavily involved with the architectural design and engineer implementation of our data centers edge, boarder, and core infrastructure. Deployed edge solutions for data center and AWS integration and migration.Deployed and rolled out AWS Cloud based solutions for connectivity between AWS environments, corporate offices, and our data centers to establish a clean transport path of connectivity.Consolidated and migrated routing and switching environments from 4 data centers to a single data center along with over 20 WAN circuits.

Configured & maintained both LAN/WAN environments within our data centers and within our corporate offices as well as providing inter-connectivity and controls to and from and within our AWS Cloud environments. Deployed and configured various cloud networking services such as Security Groups, VPC, Route Tables, Cloud Formation, VPC peering, VPC End Points, DX Gateways, NAT, VPN’s, & Transit Gateways, all within the AWS environment.Performed upgrades and configured various networking devices such as Cisco IOS, Cisco IOS-XR, Cisco ASA, Juniper SRX, Palo Alto, F5, and various Nexus 9K, 7K, 5K, & 3K devices on a daily biases while having significant financial consideration.Actively participated in the expansion of layer 2 and layer 3 devices with in the data center in order to provide capacity for services essential to the Play Station Network (PSN). Implemented and troubleshooted multiple routing and switching protocol such as 802.1Q, LACP, STP, VRRP, HSRP, VPC, BGP, & GRE on a daily basis.Deployment of various transport technologies such as IPSec & GRE VPN's as well as connectivity to Amazon Web Services through both VPN and Direct Connect services.Maintained, configured & upgraded various firewall devices to allow secure communications between application and database services.

Managed & maintained multiple data centers in various geographic locations maintaining high availability for all of our managed services.Deployed, managed and upgraded multiple vendor equipment such as Nexus 2K, 5k, & 7K, ASR 9K's, Juniper, ASA, Cisco 6500, Brocade, Palo Alto, and Fortinet across multiple data centers around the United States.Performed networking auditing, design, and implementation according to customers business needs as well as industry best practices all part of various professional services engagements. Implemented, configured and managed various routing and switching protocols such as BGP, OSPF, EIGRP, RIPv2, OLTV, MPLS, LDP, VRF, STP, VRRP, HSRP, VRRP, LACP, VPC, & 802.1Q in a data center environment as well as for customer premise LAN.Built, maintained, and troubleshooted various VPN solutions in order to provide transport to hosted data centers as well as customer to customer connectivity utilizing IPSec, GRE, & DMVPN technologies. Troubleshooting any and all customer network connectivity issues utilizing various routing and switching technologies like OSPF, BGP, EIGRP, RIP, LDP, & mBGP in different customer network designs as part of the managed services team under the Networking Operation Engineering team.

Independently deployed, maintained, and supported three interconnected data centers utilizing Cisco equipment and technologies.Lead architect in layer 2 and 3 design and implementation for the network core, distribution, edge, and access layers of all our data center while providing inter connectivity, scale-ability, and redundancy.Troubleshooting layer 2 and layer 3 network connectivity issues for various hosted customers and hosted services.Redesigned distribution layer and edge layer of the network in order to provide redundancy and availability.Migrated ASA IPSec VPN customers as well as rules and connectivity to a shared services firewall. Supported the data center network and operations 24 hours a day 365 day a year as the only primary on call engineer.

Charleston, South Carolina, Us

Monitoring, troubleshooting, and administrating multiple users, group, and domains across multiple sites in a mixed Windows 2003 and 2008 environment. Managing services such as IIS, DHCP, DNS & various hosting solution in a virtual and physical environment spanning across three data centers. Performing database backups on a daily basis. Creating and managing permissions for users and groups. Utilizing various monitoring tools such as NimBus and Watch Mouse while documenting all events in Clarity ticketing system. Working with various groups such SQL DBA’s, Window, Linux, networking and mail teams. Managing and driving bridge calls to facilitate resolution and mitigate customer impact to fulfill Service Level Agreements while sending notification messages to both internal and external customers.

Stamford, Ct, Us

Monitor & report all network, system, voice, & video related issues to our Regional Network Operation Center, Global Network Operation Center or Regional Data Center. Verify and identify all outage alarms and coordinate with with various engineering personnel to identify and resolve all customer impacting events or anything that could interrupt day-to day business operations.

Stamford, Ct, Us

Configured various Cisco & Alcatel routers and switches. Troubleshooting various routing & switching technologies such as RIP, OSPF, BGP, VLAN, STP, & 802.1q. Participated in 24/7 rotational on-call support. Provided support for Point-to-Point, T1 lines, PRI & dedicated fiber circuits. Troubleshooting various system technology like DNS, DHCP, TFTP, HTTP, & etc.

Install and configure all 802.11a, b, & g wireless devices such as routers, repeaters, access points, print servers, & cameras. Installed numerous networks and systems from ground up or implemented a technology solution to a current design with the emphasis of improving business production.

Provided help desk support for end-users in regards to software installations, hardware installing, peripheral installation, file and print sharing, & Office support. Troubleshooting various hardware failures and software failures. Provided customer education in regards to current the technology.

Bs, Information Technology

As, Network Engineering