JOEL WILLIAMS

emLinux Principal System Architect and Senior Software Engineer

Networking projects include:

• System architect for embedded Linux based home ADSL networking gateway product (DirecTV).
• Development of 2 xDSL products (CopperMountain/Onprem and DirecTV/Telocity)
• Development of five ATM/LAN switch products for NET, Cisco Systems, Ipsilon and Stanford Telecommunications. (ATM switch patent No 5,914,956)
• Primary systems architect and implementation of WAN fiber control system
• System architect responsible for the implementation of a T1/T3 multiplexer product
• Specification, Design and Development of Satellite MAC protocols
• Architectural specification and development of wireless LMDS (Local Multipoint Distribution System) networking protocols (LMDS Patent No 5,886,989),

Telecommunications projects include:

• Specification and development of four network management systems.
• Development and design of central office switching systems
• designed computer telephony interface Unix/Tandem computer systems to multiple PBX switches
• Development of software used in PBX systems including telephony to computer-based switch functionality.
• Development of a Voice Mail System including interactive voice response software that provided various telephony-based features.
• Centrex enhancement products for American Telecorp to provide call transfer capabilities.
• Central Site Modem systems
• Contributed to architecture for "Fiber in the Loop" system.

Operating Systems Linux and UNIX Operating System experience includes both OS internals and applications. UNIX internals includes numerous drivers and adding various networking enhancements to several versions of UNIX, including Linux, BSD, SunOS, Solaris and HP-UX. Other operating system experience includes vxWorks, IOS (Cisco) and custom products

Other assignments include:

• Preparation of training materials for Sun support personnel
• Preparation of secure UNIX (SunOS/CMW)
• Project design reviews and product analysis.
• Development of pay phone management systems
• Development of Telex "store and forward" product
• Voice mail system attached processor development.

Work History

• Principal Engineer & Consultant 2 yr Telocity - DirecTV
• Independent Consultant / multiple clients 18 yrs
• Advant Corp, 1 yr, Director of Software Engineering
• TRW Vidar, 4 yrs, Manager, Software Engineering
• Bell Labs, 8 yrs, Assoc, Member of Technical Staff