L. Wayne Walker
8213 Monona Ave.
Austin, TX 78717
home (512) 388-7308
wwalker@bybent.com
Objective: A challenging position as a Technical Lead / System Architect in
Perl/CGI, Tools Development, or Unix Administration and Security.
Languages(yrs of use): Perl(10)/CGI(5), SQL(5), Java(1), C(4), C++(1),
shell(12), Pascal(3), Assembly(1), Motif(1)
Operating Systems(yrs administration): Unix(12) (Linux(9), Solaris(9),
AIX(2), FreeBSD(1), HP-UX(7), SunOS(2)), Windows NT(4), Windows 9x(4)
Other Skills: Teaching, excellent system architecure skills, Object
Oriented Design and Analysis
Professional Experience:
UnWired Buyer, Inc. - February 2005 to June 2007
Operations Architect
Design and deploy scalable systems for Java and Perl based applications
running as Asterisk AGI and External IVR applications. Design and deploy
scalable call platforms on Asterisk 1.2, 1.4, OpenSER/rtpproxy/mediaproxy,
nCite SBCs. Troubleshoot SIP/RTP problems. MySQL tuning, management,
replication. Linux administration (RHEL/CentOS4). Mail (sendmail, dovecot)
and DNS (bind) management.
Senior Software Developer
Developing software, mostly in Perl, to control the behavior of Asterisk
(an Open Source telephony/PBX system) to produce the dateNumber and
gNumber phone privacy and feature enhancement systems and to produce
the telephony and backend components of the UnWired Buyer product.
Extensive Linux and Apache administration, system monitoring in addition
to the development tasks. Linux, Apache, MySQL, Perl, PHP, ODBC,
performance tuning.
Servergraph - October 2003 to February 2005
Senior Software Developer
Acted as development manager, build and release manager, QA manager.
Implemented software development processes (CVS, Bugzilla, target
milestones, release targets, testability). Mentored team on Object
Oriented design. Mentored and managed product test group. Mentored the
support engineers. Assessed and corrected product security problems.
Changed build system and install process to decrease dependencies on
customer's system configuration. Increased use of abstraction libraries
in the code base. Produced proper packages for multiple OS's (RedHat,
AIX, Solaris).
BroadQ, LLC - October 2002 to September 2003
Engineering Manager/System Architect
In this position, management is less than half the job. The development team
is only 5 full time developers and myself. Most of my time is spent mentoring
and doing high level system architecture. The product is multiplatform.
Server code is in Java on Linux, Windows, and Mac OSX. The client application
is on the PlayStation 2 console, a primarily C application running on the
multiple processors of the PS2.
Thyme Technology - August 2001 to September 2002
Senior Consultant
Lead developer for Thyme Technology. Responsibilities included Configuration
Management (Synchronicity, CVS, RCS, Subversion), system design of Thyme's
product set, Perl development, mysql deployment, troubleshooting performance
issues in client networks, assisted courseware development, taught classes
in reusability and repeatibility to hardware engineers (IC development).
Independent Consultant and Contract Instructor - October 2000 to Present
Taught the following classes to mostly corporate IT staff for various
training organizations:
Introduction to Linux (5 days)
Linux System Administration (5 days)
Linux for Unix Professionals (3 days)
TCP/IP Networking (5 days)
SRS (A Sun Microsystems internal enterprise management tool)
Performed a variety of Unix Administration, Security, and web administration/
development services for clients. Such as, first level securing of
external services, upgrading and configuring Apache, Sendmail, DNS
(Bind), setting up masquerading, internal DNS, firewalling. Sendmail
performance tuning, etc.
Gocho Networks - November 2000 to April 2001
System Architect/Senior SysAdmin - Responsibilities include design
and analysis of the backend systems for the Gocho Networks product.
Analysis of bandwidth utilization, scalability, and reliability with
an eye to cost control. Analysis of cryptographic content control
solutions. Maintaining and configuring the entire Gocho Networks server
and network infrastructure. Mentoring of junior developers and admins.
External projects development for clients. Teaching Unix/Linux courses
to the public.
TeamLinux Corporation - May 2000 to October 2000
Principal - Responsibilities included mentoring of the technical staff,
business generation, system architecture for customer solutions and
development projects, security evaluations, internal infrastructure
development, and courseware review. Also taught Unix/Linux Administration
courses to the public.
Deja.com - November 1999 to May 2000
Technical Lead, Development Services - Oversee, mentor and develop
code with the development services group providing CVS, release
management, distribution management, disaster recovery, and over
developmental/build/release/deploy tools for Deja.com
Tivoli Systems, Inc. - May 1995 to November 1999
Tivoli's Web Architect - March 1999 to November 1999
Continue acting as a Technical lead for the web applications developers
and for the web infrastructure team. Responsible for all security,
architecture and technologies used in Tivoli's internal and external web
presences. Choose robust, supportable technologies to support our web
needs.
Technical Lead - Tools Team - June 1997 to March 1999
Act as a consultant and mentor for all members of the tools team.
Architectural design of most projects of the tools team. Design of
the class and function libraries utilized by the team for interfacing
to proprietary back end databases. Extensive Perl/CGI programming in
support of the external Customer Support web site.
Staff Engineer/Tools Designer - October 1996 to June 1997
Training new hires. Writing debug manual for Tivoli Products for
training field personnel and Support Engineers. Act as a consultant to
Support Engineers. Write tools in ksh, perl, REXX, and Java to provide
interface to IBM proprietary call tracking system.
Technical Lead Engineer - February 1996 to October 1996
Training of new hires. Monitoring of the call queues of the engineers
in my product group. Focal point for any technical questions of the
other Customer Support Engineers.
Customer Support Engineer - May 1995 to February 1996
Assist customers in troubleshooting problems with Tivoli system
management products via phone and email. Work with Development to
resolve Customer issues. Determine problem escalation conditions and
assist others in customer account management. Participate in product
teams to define, develop, test and release Tivoli software products.
The in house specialist for networking issues.
Motorola, Inc. - May 1988 to May 1995
Unix System Administrator/CAE Application Engineer - October 1990 to May 1995
Managed multi-vendor Unix network. Primarily responsible for HP-UX
(9.0x on 400 and 700 hardware) running ECAE tools (Synopsis, Xilinx,
Mentor Graphics). Integrated Mentor software with HP, Sun, X-terminals,
IBM-PC, and Macintosh. Administered NIS, NFS, TCP/IP, and XNS on a
network of over 400 nodes (~325 HP-UX, 75 Domain/OS, 60 SunOS, 15 MPC).
Administered XNS and TCP/IP on Apollo Token Ring and Ethernet through
Cisco routers. Administered X windows applications. Wrote small Motif
applications. Implemented and managed NNTP based Usenet news server.
Developed a system providing easily managed shell startups for users
with a single home across multiple platforms.
Lead Software Designer/Systems Analyst - May 1990 to October 1990
Project leader for a team of programmers designing a system to integrate
the PC Board Design System with the automated placement machine
programming system to produce a load leveling system to increase
production capability. This involved integration of multiple platforms
(Macintosh, IBM-PC, OS/9, Unix) utilizing TCP/IP and NFS.
Software Designer - March 1990 to May 1990
Sole programmer/designer on a touch screen based graphical defect entry
system. This required integration of multiple platforms (IBM 370,
Computer Vision, IBM PC, Macintosh). Novell system administration and
inital installation.
Electronics Engineering Technician - May 1988 to March 1990
Designed, calibrated, and maintained unique test equipment in support of
Spectra radio production. Trained other technicians. Troubleshot and
repaired Syntor X and Spectra radio systems.
University of Texas at Arlington - August 1994 to May 1995
Unix Instructor - Taught Unix courses for the Continuing Education
Department of UTA. Courses included Unix Training Introduction, X
Windows/Motif Introduction, Unix Utilities and Shell Programming, and
Introduction to TCP/IP Networking.
United States Air Force - March 1984 to March 1988
Avionics Technician - Troubleshot, repaired, and maintained avionics
systems on B52H, KC135A, F5E, and RF4C aircraft. Trained and supervised
personnel.
United States Army - January 1982 to March 1984
Radar Repair Technician - Troubleshot, calibrated, aligned, and repaired
radar systems.
Education:
Usenix '97, LISA '97, Perl 2.0 Conference '98, Perl 3.0 Conference, Perl 4.0
Conference
CGI Programming with Perl - Tom Christiansen
Unix Performance Tuning -
Tivoli Products - 3+ weeks of formal Tivoli classes
HP-UX 10.0 Sys Admin Training
NT 4 Accelerated (5 days on NT 4.0 server and workstation for Administrators)
Tarrant County Junior College - 1988 to 1994
Computer Science and Advanced Mathematics - 47 hours GPA 3.83
University of Maryland - Overseas Division - 1986 to 1987
Mathematics, Computer Science, and Physics - 12 hours GPA 4.0
References available upon request.