Perform integration and test activities in the lab and field for development, certification, and delivery of military airborne wide-area persistent surveillance systems.• C++ development on Linux platform for camera emulator, imagery-related test tools, and imagery filtering.• Execution of test plans and test methods for product development, functional verification, and customer acceptance• Identify and isolate software/hardware functionality issues leading to timely problem resolution

Tier 2/3 software and hardware support for carrier-grade, voice and data aggregator deployed in major U.S. and international telco IP and ATM-based telephony networks.• Resolve business critical issues (7/24) individually and through team collaboration• Performed root cause analysis and lab reproduction to identify and resolve issues• Code, test, and deliver C++ software fixes and patches for software problem resolution

Implemented C++ and Java corrective software patches for in-service field application to resolve customer issues.• Designed and tested software patches often providing innovative code workarounds to deliver critical corrective functionality while minimizing system impact• Teamed with designers and peer support engineers to reproduce complex field issues for root cause determination and code the fix/patch solution

Teamed to design and implement C++ code to interface external testhead access for T1 gateway peripheral testing via SNMP MIB’s. Established first commercial digital test access (DTA) application for packetized, ATM circuit emulation services.• Specified and implemented DTA functional requirements after researching RFC’s and meeting with Nortel customers and third-party test equipment vendors• Developed and implemented TL1 messaging interface specification to permit DTA interoperability with various test equipment vendors• Interfaced with Nortel corporate legal staff and test equipment vendors to negotiate, write, and maintain interoperability agreements• Established DTA interoperability lab with test equipment vendors and executed interop testing resulting in approval of two vendorsTeam lead for software-hardware integration testing at the system and network level for T1 Inverse Multiplex over ATM (IMA) gateway peripheral• Planned and implemented multi-lab test environment and provided 7/24 support for these facilities • Wrote system and network integration test plans• Managed and executed integration testing in coordination with multiple software and hardware design teams to identify and resolve issues quickly• Tested incremental hardware and software changes to verify system integrity• Reviewed and implemented SNMP MIB requirements for IMA carrier maintenance feature

Developed and supported software for GR303/Multi-Vendor Interface line access peripherals• Maintained code for GR303 messaging, LAPD/Q.921 messaging, overload and flow control, protection switching, and diagnostics on realtime, multi-processor, fault-tolerant systems • Debugged and resolved software problems identified in the development cycle and at customer sites • Coordinated multi-site coding, functional test, and regression activities to introduce an enhanced, replacement processor board in multi-processor systems. Coded to normalize realtime issues with new processor board and other boards in system• Provided 24/7 direct customer support for emergency response situations

Developed and executed test plans and test cases based on Design and other product documentation. Verified new feature functionality and system robustness on telephony host and remote switching peripherals. Isolated and identified problems and tracked to resolution. Worked closely with software and hardware design teams to ensure success of development/test activities. • Team lead for remote switch test activities with international third-party development team on prototype and production systems• Verified British Telecom line peripheral conformed to international network specifications through feature testing and hardware fault insertion testing

Supported hardware designs at circuit board, shelf, and frame level for DMS100 mainframe switch and the SS7 protocol aggregator• Interfaced with design, manufacturing, and field support teams to provide technical support during the hardware development cycle through volume field deployment • Tested and debugged high-speed digital systems based on Motorola microprocessors• Utilized oscilloscope and logic analyzer to identify/resolve signal integrity issues in ambient and heat