Phone: (408) 438-3756 | 13654 Verde Vista Ct Saratoga, CA 95070 |
Perform in a technical capacity to initiate and develop tooling and software towards high performing networks in both capacity and responsiveness (low latency)
Self starter with 35 years of software design & development, software quality assurance & automation, test rig design and build out
Programming skills include C, C++, Python, PHP, TCL, GDB, bash scripting, regexp, and x86 and MIPs assembly – multiplatform, and event driven
Mathematics skills include signal processing, statistics and machine learning:
Univariate, multivariate statistics to provide statistical analysis of stochastic metrics
Complex analysis, e..g for Wi-Fi RF
Linear algebra, clustering, etc. e.g. for machine learning
Iperf 2 maintainer sine 2014, over 3M lifetime downloads
Code is in C, C++ and python, with hybrid OO design
Build uses gnu automake and is multi platform & cross compiles
Performed a major refactor of the code w/o impacting performance
Many new features with a focus on latency metrics
Worked as technological engineer and presented to the FCC
Demonstrated low latency with Wi-Fi 6e in the 6GHz band
Wi-Fi / DSRC interop via adjusting Wi-Fi EDCAs when DSRC signals are present
Deep 802.11 expertise from PHY to MAC layers
Expert in OSI transport layers from a test perspective
IP Multicast expertise from a test perspective
6 years of developing test scripts for IP multicast on Cisco switches
Protocol experience includes JSON, XML, IEEE 1588 (PTP), 802.11 Spanning Tree, VLANs, IP Multicast PIM, IPv4, IPv6, TCP/IP, IEEE 802.2 LLC, ATM, HTTP
Server configuration skills include Apache2, SMTP, Postfix, Bind9, Spamassassin, Mailman, Wordpress, Mysql
Extensive knowledge in layer 3 and layer 2 packet forwarding for both unicast and multicast, TCP and in Wi-Fi
Media expertise in 802.11, Ethernet, FDDI, Token Ring, ATM and Fiber Channel
Tools expertise includes gnuplot, gnu octave, Ixia, iperf, Wireshark, Nessus, Snort, ntop, SVN, git, CVS, Subversion, Clearcase
Proposed a Fi-Wi architecture as a new business line
Developed low latency tooling and clock sync tooling used by multiple business units
Collaborated with industry partners around improving Wi-Fi latency
Developed iperf 2 and python flows code, used internally and industry wide
Developed multivariate statistical process controls using python and sckit-learn
Developed programmable RF environments affecting both phase and amplitude of complex Wi-Fi systems
Developed event driven streams code in TCL/SNIT and delivered to wireless test engineers – used for 8 years and counting
Wrote many TCL/SNIT test scripts for nightly runs
Developed TCL readline with inspect for SNIT objects
Performed as a SQA engineer for IPv4 and IPv6 Multicast testing Cisco IOS on the Catalyst 6500 hardware platform.
Responsible for feature testing IP multicast including IPv4 and IPv6, Sparse Mode (SM), Source Specific Multicast (SSM), Multicast Netflow Accounting.
Wrote 20K lines of TCL to support feature testing in a semi-automated environment.
Created, prioritized and tracked defects using defect tracking tools, presenting status at weekly, cross functional, bug scrub meetings.
Worked in the marketing department as an application engineer supporting Intrusion Prevention Systems (IPS) and parental control, web filtering, software products
Setup demos on customer premises, evaluated competitors products, and represented the company in a technical capacity at industry trade shows
Founded a startup targeting the broadband market
Recruited and enlisted an advisory board of industry leaders
Negotiated and hired support services such as accountants and attorneys
Developed product description including hardware and software definitions
Implemented an early PC based prototype using a Linux server, MPEG-2 decoders and RF modulators
Developed a router module for the Catalayst 5000, achieved $350M of annual revenue
Wrote embedded system code to move data between a shared memory and a switching bus
Developed test scripts for ATM LAN emulation
Member of the engineering team which designed and developed a FDDI Network Interface Adapter (NIA) for the Space Station Freedom. Evaluated message latency, CPU utilizations, and system throughput of the system architecture.
Developed a FDDI device driver, SMT protocol decode software, and a user interface for an internally developed FDDI test tool. Developed automated test procedures verifying FDDI standard compliance. Delivered documented test procedures and test results to NASA.