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Title: |
engineer
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Location: |
US-California-Silicon Valley/San Jose
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Work History: |
Pernix Consulting Engagements:
April/08 – Present – Working on modifications to NetBSD to fix IpV6 and Multiprocessor /Multiple stack networking.
Feb 2007 – April/08: HP Corp – SSL/TLS Secure printing Network Server/Client development. Components I built are the HP-UX Mult-threaded server (C), the secure client(C, C++ and .net com objects), the HP-UX PCI driver (Kernel C, WSIO and DLPI), and their main MFG Server to build these system that hold master Crypto keys (in C++).
August 2006 –June 2007: Cherry Corp - Porting/Building C++ USB based platform keyboard application on Linux and Windows platforms. Extensive use of Visual Studio 2005/6.0. SUSE 9.2 Linux 2.6 kernel. Extensive testing for customer. Expert with .NET C#, VS 6.0 & 2005, Wise for Wind, Embedded firmware development on 38K2 MPU.
April 2006 – August 2006: Motorola 3GPP Cell Phone R&D – Program in Perl/C Radio Resource Control & RLC Call setup/drop processing and Analysis. Modification of AI tool to diagnose defects with the Network of User End UE.
December 2005 – April 2006: Motorola Corp - Land Mobile Products Sector - Private Radio Networks Engineering. Contract position involves the development, debug and test of new features of Motorola's new line of Radio Frequency Site Repeaters and routers. Assignment included development using Rational Rose XML, C++, C, Metrowerks Code Warrior debugger, SNMP, ClearDDTS Bug Mgmt system, Clear Case source control system, and PowerPC.
October 2004 – May 2005: Planet Aid - Developed a portable handheld device used for database info distribution.
September 2003 – October 2004: IpTelPhone - Made changes to the Core code in phone used as a test device for VoIP.
September 2001 – July 2002: ACTR - Developed a number of new Database systems for a company in Russia.
October 2000 – June 2001: NMS - Invented the first Cell Phone IP Gateway with SNMP based command and control for a large corporation in Japan, using a UNIX based OS on a Compact PCI based dual redundant platform.
July 2000 – October 2000: Mapletree - Worked to move platform from strong ARM processor to a MIPS RISC RC32334.
October 1999 – June 2000: Amoeba - Developed the test plans and simulated many different environments using the new IpTelPhone invention. In 2000 this device became part of a contract with Amoeba, a router communications corporation.
January 1999 – October 2000: Pernix - Developed a smart telephone that could communicate over the Internet using Linux and BSD UNIX code tools/kernel. This device was more powerful than most PCs and could operate as a media gateway over VoIP networks. It became very useful in testing the new protocols like H.248 (Megaco).
April 1998 – November1998: Avici - Terabit Switch/Router Research, design and development of the next generation, high speed switching fabric, distributed control devices. Significant developments were made in hardware and software to produce the MPC860 based switch control unit. Several drivers were developed to perform I2C based control, route server communications, distributed communications to multiple controllers, line card communications, detection and alarm of critical conditions, and SNMP based proxy agent management. I provided management and technical leadership of a Pernix Technology team at the client’s laboratory facility. We used VxWorks on a new MPC860 node controller.
November 1997 – April 1998: BayNetworks - Completed the research, design and development of a Network Address Translation (NAT) product. Developed to be optionally configured and used in any size router. Responsible for the management and technical leadership of a Pernix Technology team working at Pernix’s laboratory facility.
September 1995 – November 1997: BayNetworks - Completed the research, design and development of a packet filter based FireWall product. Software and firmware was developed for the kernel Data Path component used inside all routers. A network packet based Virtual State Machine was developed to provide easy and effective implementation of dynamic security policies that could be created by secure operators anywhere within the secure domain. In addition, our built in support of CheckPoint’s Daemon protocol and GUI configuration tools, executed on standard MS-Windows or Unix systems, allows customers to flexibility create, modify, and send security policies to any secure router within the security domain. The most important success of this development was the speed by which all packets could be cracked, processed through the Virtual Machine (armed with an embedded security policy), reassembled on router data paths.
Multilink Corp and Codex (Motorola) (9/94–9/95) - Standard MVIP Voice/Data Modem Concentrator
I completed the Systems and Protocol research and design specification of a Voice and Data router/modem concentrator. The proprietary Modem Mux Protocol (MMP) was invented and specified for this new generation TCP/IP based LAN product used by the telephony industry. The most significant technical challenge included the integration of the new protocols into the standard System Signaling 7 (SS7). Since any one of 24 64kbit channels could be used for simultaneous voice and data information over any one of 4 T1 trunks. Switching between the modem bank outbound and the T1 trunk lines upstream required careful attention to all boundary conditions including startup and shutdown SNMP Management developed.
Racal (9/91 – 9/92) Concurrent Contract
Successfully completed one year of full time work to design, build and test SNMP V1 agent firmware for a single card network management module using the Intel 80386 microprocessor. Some of the work involved C-programming.
DIGITAL Equipment Corporation- Consulting Work (ThinkTek) (3/91 – 12/93)
My company (ThinkTek Consulting) was given a contract to produce a specialized Common Management Interface Protocol (CMIP) tester for the release of their DECnet/OSI Phase V network management product. This instrument provided an X-Windows/Motif control panel based user interface that automatically tested Digital's Digital Network Architecture (DNA) CMIP Management Language (CML) with the current OSI based CMIP language. Also worked with OSF and Netrix Groups.
Sequoia Systems (9/88 – 3/ 91)
At Sequoia Systems, I implemented 3 communications subsystems to run on TOPIX (fault tolerant Unix) that provided general purpose communications for X-Windows, NFS and TCP, providing redundancy switching and fault detection.
GTE Government Systems (9/83 – 8/88)
I was a Principal Engineer for 5 years in both systems and software engineering departments. I worked on a number of projects and products, including R&D in Telephony, ISDN, Packet Switching, X.25 and LAN based development.
Codex Motorola (9/80 – 8/83)
Worked for the TDM Systems department. I provided R&D for next generation switching and man-machine interface for NM.
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Skills: |
SKILLS
Power PC family of processors and Comms drivers, CDMA, GSM/CDMA/3G, BDM/JTAG, Embedded debuggers and emulators. Java, C/C++, perl and object-oriented design. Invented new protocols with IETF and ITU standards.
Platform definition expert with IP protocols including routing, VoIP, Cell/Data networks. C, C++, ClearCase, DDTS, Metrowerks Code Warrior. Power Tap, IDT MIPS 32334/4000, MPC860/8260 Firmware and Boot code, 68360/68302, AMC and EST ICE, 8086/x86 series, 68000 series, IXP12XX, ARMX, ARM7, ARM9, Fault Tolerant engineering, high-availability solutions. Security concepts, mechanisms and APIs - JAAS, JCE, GSS-API, PKI, SSL, Wise for Windows.
Experience with large-scale system software projects, including functionality, performance, supportability, etc..
Strong sense of ownership and proven delivery record. Self-motivated, flexible, and team player. Excellent problem-solving skills, solid organizational skills and strict attention to detail.
Expert in the area in VoIP, Telecom, TCP/IP and all related networking standard protocols. Expert in file systems including Sun NFS (kernel and application implementation).
Expert in MIPS, PowerPC, Real-Time Unix/Linux, Security implementations (TLS/SSL) at the application or packet layers, redundant systems, and Wind River BSP products. Development - rapid prototyping techniques. Router Firewalls and Network address translation engines. IpSec and Key management software. VoIP – SoftSwitch Data/Voice, megaco, SIP, RTP, ISUP, ISDN, SS7, DCS, ATM, SIP, MGCP, SCTP, H323, IP Telephony, MVIP Bus, VME Bus, CompactPCI Bus, S-Bus, and most circuit switching layers including call processing. Data IP - TCP, Ipv4/6, MPLS, OSPF, NAT, Telnet, FTP, SMTP, ARP, IS-IS, ES-IS, x.25, TDMA, CDMA, GSM MAP, Call Control protocols and PPP. Image – HTTP, Fax Group 3, and live video. Streaming video and audio over voice data networks. Used Green Hills Secure OS.
Databases - Expert with MS Access, SQL Server, SQL Language, and Lotus Approach. Operating systems - UNIX/Linux (and all variations), MS NT/2000, VxWorks, pSOS, dos, and Game. GNU OS and Compiler tools, Data Bases, Mil-STD-1553B and many other Military standards. Visual Studio/MSDN Libs, .Net &C#.
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Education: |
EDUCATION
M.S., University of Central Florida (Computer Science)
B.S., Columbia University (Math/Electrical Engineering)
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Rank |
Title |
Location |
Status |
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9.498 |
IT Professional |
US-California-Orange County |
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