Yu-He Zhang's Email Addresses & Phone Numbers

📖 Summary

A technical lead with hands-on experience of the entire development life cycle of carrier-class core switching equipment and leading-edge mobile broadband product. Track record of building up and managing high quality engineering teams in US and overseas, and successfully leading projects of over 50 staff across the continents. Proven capability of delivering high quality innovative products in aggressive schedules. Extensive experience in software coding and in troubleshooting, debugging, and fixing software issues. Technical Expertise: Redundancy & Protection, Performance & Scalability, Telecommunications, Software architecture, Software design and functional specification, Troubleshooting and root cause analysis, Branching plans and strategies, Product release management, Waterfall vs Agile methodology, Team building and management, Vendor and customer engagement Specialties: C, C++, Java, Python, OOD/OOP Linux, VxWorks, Windows, RTOS Ethernet, Carrier Ethernet, EOS, SONET/SDH, OTN, DWDM, TCP/IP, 3GPP, UMTS, L2/L3 ClearCase, ClearQuest, Insure++, Wireshark Broadcom, Marvell, PMC-Sierra, Intel, Cavium, PowerQUICC Server blade, ATCA, Carrier-class multi-blade multi-shelf OmniBer, N2X, SmartBits, IXIA p400/m500 Image processingSoftware Project Lead @ From 2013 to Present (2 years) Technical Lead, Software Architect, Software Engineer @ Software design, code development, and troubleshooting in the functional area of packet forwarding and switching between the system interfaces and modules based on ACLs using BCM56800 ContentAware processor. Developed packet forwarding classification features based on IP addresses, IP protocols, DSCP’s, and VLAN’s in a UMTS network. Software release lead of the first two releases of Sycamore mobile broadband optimization product, from evaluating/negotiating third party software of 3GPP protocols, operating systems, middleware, on-device management systems, SDK of multi-core and network processors, to integrating them with innovative mobile broadband optimization applications, from architecture and functional specifications to final product in customer trials. Drafted software architecture specification and chapters of functional specification. Software lead of new initiative of next generation optical packet switching platform involving various case studies, service models, and architecture framework, research of market trend and new technologies including agnostic packet switch, OTN, DWDM and ROADM, MPLS and end-to-end OAM and provisioning, different transport topologies such as mesh (VPLS) and ring (ERP), interaction with HW/SW vendors of framers, optical ADMs, network processors, switching fabrics, and L2/L3 protocol stacks, architectural discussions across organizations. Software release lead of a 1GbE and a 10GbE interface cards with GFP and VCAT/LCAS, and a DS3 interface card with 1:7 redundancy in a single release in Sycamore metro core platform, managing and coordinating resources in 3 locations in US and China. Extensive design reviews and code reviews. Troubleshot and fixed critical driver and system issues. From 2000 to 2012 (12 years) Technical Lead, Software Architect, Software Engineer @ Built up embedded software team in Shanghai Development Center from scratch by recruiting and training (of development process and methodology, protocols and standards, software source control and build environment, design documentation, design reviews and code reviews, test equipment and software verification, et. al.) two software development managers and a group of talented software engineers that became the core of the organization, which had started to develop Sycamore optical switching product in less than a year. Software manager of network protection software group. Participated as one of the key engineers representing Sycamore in a product evaluation competition held by an international tier one carrier with products from seven top international ASON equipment vendors, as a result of which Sycamore SN16000 was certified as the top ASON equipment in the market. Visited an international tier one carrier to help troubleshooting and root cause analysis to resolve critical customer issues. Software lead of various key features in Sycamore core switching platforms, BLSR (Bi-directional Line Switched Ring), EOS (Ethernet over SONET/SDH) with Ethernet flow classifications. Development of network protection schemes (1+1, 1:N, ring, mesh) and system protection schemes. Development of network interfaces including SONET/SDH (OC3/OC12/STM1/STM4, OC48/STM16, OC192/STM64), HOXC/LOXC, Ethernet (1GbE, 10GbE), VCAT/LCAS, QoS. Performance and scalability optimization. From 2000 to 2012 (12 years) SW Engineer @ Digital X-Ray imaging and digital image processing using MS Visual C++. Development of digital camera calibration and image processing algorithms with GUI. Developed a prototype of software real time video replay of cine and fluoroscopy images with frame rates of up to 30. Invented an image calibration and enhancement method for flat panel chest X-ray image detector built with quad panels. From January 1999 to August 2000 (1 year 8 months) Assistant Research Scientist @ Optical information processing, photorefractive materials, binary optics, optical computing. Publised in leading journals. From 1991 to 1994 (3 years) Ph. D., Electrical Engineering @ Syracuse UniversityMS, Computer Engineering @ Syracuse University Yu-He Zhang is skilled in: C/C++, Object Oriented Design and Programming, Real time embedded system, Architectural design and functional specification, Troubleshooting and root cause analysis, Embedded Systems, Software Engineering, Telecommunications, Optics, Mobile Broadband, SDH, Ethernet, ClearCase, TCP/IP, Protection