John Barbara Email & Phone Number

Raleigh-Durham-Chapel Hill Area

Providing technical support to customers and account teams for Oscilloquartz GNSS timing products. Works closely with Engineering providing skilled direction and support for POC, lab trials and deployments of various leading edge timing products for 5G, Power utility, telco, and enterprise deployments. Oscilloquartz is a business unit of ADVA Optical Networking and this position is additive to prior responsibilities at ADVA.

Rtp, Nc

Advanced technical support, lab trials support, customer and staff training, and sales team support for ethernet access products, ethernet aggregation products, and ADVA's Oscilloquartz timing product portfolio.

Raleigh-Durham, North Carolina Area

I provided technical support for the product suite of the former Hatteras Networks Ethernet over the First Mile (EFM) solutions in the copper EoCu product line, I supported numerous domestic and international Internet Service Providers in the design, deployment, operations, and management of multi-vendor ethernet access to aggregation networks.

An experienced Software Quality Assurance Engineer with a wide scope knowledge, my role in QA test team involved testing both wired (switch/router) and wireless (Access Point) software for a variety of Broadcom products. Initially I was hired on and worked for a startup company, LVL 7, which was bought out by Broadcom around 2007.-Supported the development of switch and router software and Wireless Access Point software through Functional Testing of core product capabilities against applicable IEEE 802 and RFC standards as well as proprietary specifications.-Tested feature set integration into the product suite such as Differentiated Services (DiffServ), Access Lists, 802.1x, User Interface security protocols such as SSL and SSH, Voice over IP, and LLDP/LLDP-Med on the switch/router products.-Executed performance tests for on the switch/router products for Layer 2 and Layer 3 throughput and packet delay for core software validation and with software enhancement applications such as QoS and performance tests for Wireless throughput and roaming delay with base software functions and with enhanced functions such as the various security protocols, WDS, multiple VAP per radio, and QoS.-Tested feature set integration onto new Broadcom Wireless Access Point products to include 802.11a/b/g/n radio functions, Virtual Access Point features, security interoperability, and WMM. -Performed the research and collaborative work with software development necessary to create Test Plans in a Silk Plan Test Case Database platform with individual cases to verify software features and standards compliance.-Worked with 3rd party VoIP vendors to demonstrate "proof of concept" interoperability cases integrating VoIP devices with LLDP/LLDP-Med protocols.-Participated in team projects to automate testing through Python based scripts within a Test Automation framework, writing scripts for base 802.11n testing.

Raleigh-Durham, North Carolina Area

Founding Scoutmaster, tenure of 3 years, Assistant Scoutmaster, tenure of 4 years. Grew the Troop from intial beginning of 15 scouts to 35 while Scoutmaster, and up to 65 in succeeding years while Assistant Scoutmaster. Monthly activities included backpacking, biking, canoeing, with a heavy focus on getting the Scouts out and active. Maintained a high tempo of organization action with an excellent retention rate for the youth. Led select groups of Scouts on high adventure treks on an annual basis for week long wilderness experience in the Carolina mountains.

Summary: My responsibilities centered upon testing advanced Quality of Service functions on the Xylan switch/router product line. Xylan was later bought out by Alcatel.-Test Engineer supporting the creation and testing of software feature enhancements for the Xylan Switch/Router product line. -Built the Xylan RTP Test Lab from the rack and cabling infrastructure up through test equipment selection and network simulations.-Created and executed Test Plans that verified the compliance of software feature sets to the appropriate Functional Specification and met project release schedules for a variety of switch based products:-Tested a switch based DNS/DHCP server application, a wired User Authentication application, a policy based Quality of Service application for Differentiated Services, and the proprietary management tools for switch management.-Provided pre-Sales support to Alcatel sales team personnel on the software enhancements tested.

At Larscom I Tested Wide Area Network T1/E1 inverse multiplexers and Ethernet to ATM access devices.-Successfully supported Software Engineering in the creation and testing of new hardware interfaces for WAN devices such as the Orion 4000 Broadband Access Multiplexer and software updates on the NetEdge Edge series MultiServices Access concentrators. This included ethernet as well as both DS3 and OC3 subscriber side and combinations up to 8 T1's or E1's network side.-Lead test engineer for testing the firm's ATM inverse multiplexer product, worked with development to produce test cases which comprised a comprehensive test plan, executed testing, documented defects and validated fixes when delivered.-Created and executed Test Plans that verified the compliance of software feature sets and new hardware products to the appropriate Functional Specification and met project release schedules.-Responsible for timely and complete testing of maintenance build software for the Edge Multi Services Access Concentrator to include bridging and routing performance and routing protocol functionality.

For MCI I provided second level support for the deployment, provisioning, and operations of the MCI Hyperstream ATM and Frame Relay networks.-Provisioned and performed acceptance testing on new Frame Relay, ATM, and Internet circuits in anticipation of customer activation.-Provided 2nd level support to MCI's Hyperstream Network Operations Center for ATM and Frame Relay circuits and customers.-Directed MCI account teams and customers on Frame Relay and ATM network design issues and equipment configuration specifications for customer provided equipment.-Configuration and installations support for MCI provided routers, switches, digital cross connect systems, and associated data communications equipment for the Frame Relay, ATM, and Internet network platforms.-Co-authored ATM Operations and Maintenance Manual and tested ATM auto-provisioning system as a member of the ATM network design and implementation group-Coordinated and led various disruptive network activities, to ensure minimal customer down time, to include hardware platform migrations, hardware retrofits, and software upgrades.

At Newbridge, I provided 3rd level technical support to Newbridge Field Engineers, customer Network Operations Centers, and third party service providers.-Investigated and analyzed equipment failures, network design flaws, configuration errors, and line problems for TDM, Frame Relay, LAN, and ATM equipment and services as well as the implementation of suitable resolutions.-Provided on site as well as telephone support to customers and Newbridge Field Engineers in resolving escalated problems within the full suite of the Newbridge product line (TDM, Frame Relay, ATM, and LAN).-Provided pre-sales support in network design and equipment configuration specifications for Newbridge sales teams, OEM resellers, and Newbridge direct customers.-Mentored and directed junior engineers on T1 multiplexers, international voice signaling standards, voice compression, network timing, and other aspects of the product line, network design considerations, standards, and troubleshooting.