107 Nobhill
San Antonio, TX 78228 |
othniel@satx.rr.com |
(210) 269-6055
|
BACKGROUND SUMMARY: Almost 14 years of increasing and varied experience in software engineering, communications and Internet technology including:
RedHat Linux 4.0-6.2 | Apache & SSL 3.0 | PKI, HTTP & HTTPS | CGI web applications in: |
Mandrake Linux 6.0-7.1 | Secure Web Server | HTML / XML / CSS | C & C++ |
Sun Solaris 2.4-2.8 | Squid & Calamaris | web authentication | PHP |
SCO Unix 3.2 v4.2 - 5.0 | Unix/Linux security tools | browser cookies | Java |
bourne shell | telnet & ftp | Solid SQL | Perl |
bash & ksh | xhost & secure shell | MySQL | Javascript |
Xwindows / XFree86 | KDE & Gnome | fvwm2 & AnotherLevel | CDE & Motif |
Network administration | Sniffer / CISCO | ping/traceroute | tcpdump |
Netscape Navigator | Netscape Messenger | Netscape Composer | Sendmail/pine |
OS Installation | Software upgrades | System Documentation | User documentation |
Analysis & Design | Technical proposals | Spreadsheets | Presentation Graphics |
team building | interviewing | mentoring | vi text editor |
EDUCATIONAL BACKGROUND AND COMMUNITY
SERVICE:
BS in Mathematics, Computer Science
and Systems Design (emphasis in SD) from University of Texas at San Antonio
graduating Magna Cum Laude in Dec '85. Coursework on MS in Computer
Science at University of Houston (86-90) in Software Engineering, numerous
technical books, periodicals, trade journals and web research to stay current
on technology. HTML 1 & 2 at OLLU (1998), LinuxWorld seminars
(San Jose 1999) and Linux Boot Camp at GTC 2000. Volunteered with APCO
(1983-85), Internet access & education pioneer SALSA.NET (1994-97)
and since 1998 with San Antonio Texas Linux Users Group (SATLUG) teaching
others about Linux, performing Linux installs, serving this year as a club
officer and coach of the open source community spirit.
EMPLOYMENT HISTORY:
Senior Systems Engineer,
CACI,
Inc, San Antonio, Texas, 1998-present
Responsibilities include codifying
customer requirements for electronic commerce paperless contracting system,
preparing analysis and design document, recommending a specific implementation
proposal, then implementing this RedHat Linux based solution to meet customer
requirements using Solid SQL database server. The system is deployed as
a web-based application using the Apache web server. Wrote initial
system documentation and have supervised the preparation of an on-line
documentation system for the application. Developed a network based tape
backup system which our 3 person team has now been using for over a year.
Maintain a legacy system implemented in HTML/Perl, which feeds both the
Commerce Business Daily (CBD), and the Electronic Posting System (EPS).
Employed both PHP and Perl in ensuring that the system was Y2K compliant.
Diagnosed problems with the ATM network infrastructure and the BGP routing
protocols used on the Milnet. Developed automated system to monitor Milnet
routing problems. Collected, collated and presented this data to mgt. driving
changes to long-standing Milnet routing misconfigurations and convincing
Govt. Printing Office to switch Internet Service Providers for EPS. Responsible
for deploying, configuring and upgrading several Squid Caching Web Servers.
Hired and trained a recent UTSA graduate as a Linux system administrator.
Assist in help desk technical support and Internet security risk analysis/implementation.
Software Engineer,
Cyberlog
International, San Antonio, Texas, 1993-1998
Handling multiple roles for this
small but fast growing company, evaluated technologies & deployed solutions
to transform a lab thin-net with a server and 3 MS-DOS computers into a
64-node 10BaseT office network utilizing SCO Unix, Linux and Windows NT
servers, a bridge, and 3 different internet proxy servers. Ultimate solution
utilized Windows 95 or NT workstations in each employee office. Also as
a C software engineer, developed a distributed database application using
TCP/IP for SCO Unix with MS-DOS clients. Administered a private UUCP network
eventually migrating that functionality to a WAN using PPP with a custom
outage alert delivery system integrated into our turn-key system. Converted
an SCO Unix based WAN to one using Digi Intl Port Server II routers. Developed
a 2nd generation SQL version of the distributed database system
with a Visual Basic database maintenance interface using ODBC. Wrote Raima
RDS database server extension modules.
Systems Analyst,
Programmed
Intelligence, San Antonio, Texas, 1991-1992
Responsible for porting InQuisitive
database user interface software to HP/UX platform. Network administration
on Cabletron Ethernet concentrator and RS232 terminal server.
Software Engineer,
Trinity
Computing Systems, Houston, Texas, 1990-1991
Enhanced hospital patient monitoring
system in Microsoft C.
Programmer/Analyst,
Shell
Oil Company Information Center, Houston, Texas, 1985-1990
Microsoft C and assembly language
programmer, Intel PC-based workstations researcher/scientist, VAX/IBM mainframe
support, and network communications specialist. Programmed async communications
device drivers in Intel PC assembly language for mainframe satellite interface
and terminal emulation and file transfer system in C for MS-DOS. Developed
and maintained a statistics gathering and reporting system for VAX and
IBM mainframes using SAS. Customized DCA IRMA terminal emulation and file
transfer software in MSC. Responsible for evaluating new hardware and software
technologies and writing recommendation reports setting company standards
for PCs. Experience with MS-DOS, IBM VM/CMS, DEC VAX/VMS, IBM RISC, Sun
and Intergraph workstations, MS Windows, QEMM, 3COM 3Plus/3Share, IBM Token
Ring, IBM PC LAN Program, PC/3270, NetBIOS/NETBEUI, SNA and IBM 3274, 3174
and 3725 communication controllers.