San Antonio, TX 78228
OTHNIEL MARK GRAICHEN
BACKGROUND SUMMARY: 17 years of increasing and varied experience in software engineering, communications and Internet technology including:
|Linux & Unix:||Microsoft Operating||Apache & Secure Web||CGI web applications in:|
|Sun Solaris 2.4-2.8||Systems and Tools:||Server: HTTP/SSL 3.0||C, C++, Java, Tcl/TK|
|HP-UX 11.0||Windows NT & OS/2||CISCO 25xx/4000||with PKI and SSL|
|RedHat Linux 4.0-8.0||Windows 1.03 - 98||IOS firmware upgrade||web authentication|
|Debian (Woody, Sarge)||MS-DOS 1.1-6.2||Excel data collection||browser cookies|
|Mandrake Linux 6.0-8.1||Visual Basic, MS C||Presentation Graphics||process improvement|
|bourne shell, bash & ksh||x86 Macro Assembler||Database Configuration:||OS Installation|
|IP security tools:||CVS, RCS, & SCCS||Solid SQL engine||Software upgrades|
|ping, traceroute, nmap,||MS Access||Raima db & Velocis||System Documentation|
|Tripwire & tcpwrapper||Cygwin & MKS Toolkit||MySql / ODBC||User documentation|
|Snort & tcpdump||Xwindows / xhost||Netscape Navigator||Requirements Analysis|
|telnet, secure shell, & ftp||XFree86 & Cygwin/X||Netscape Messenger||Software Design|
|Sendmail & pine||KDE & CDE||Netscape Composer||Technical proposals|
|vi text editor||Motif & Gnome||HTML / XML / CSS||software engineering|
|interviewing||team building||mentoring||SEI CMM|
Systems Manager, Titan Systems, Inc., full-time employee: Feb 2003-present
Responsibilities include operational support of the Brigade/Battalion Battle Simulation System (BBS), CSS-TSS and MUSIO systems at the application software level, and 6 VAX/VMS systems and a CISCO 4000 at the systems level.
Senior Systems Engineer,
Inc, San Antonio, Texas, full-time/part-time contractor: 1998-2002
Responsible for crafting customer requirements into an electronic commerce paperless contracts system, preparing and presenting analysis and design documentation, recommending a specific implementation, then implementing the selected RedHat Linux based solution to meet customer business needs 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 a 3 person team has now been using for over a year. Also 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 Milnet connectivity problems with the ATM network infrastructure and the BGP routing protocols used by our web server. 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 due to Quality of Service measurements. Responsible for deploying, configuring and upgrading Squid Caching Web Servers. Hired, trained and supervised an IT graduate as the team's Linux system administrator. Assisted in help desk technical support and Internet security risk analysis/implementation at Defense Information Systems Agency (DISA).
Senior Software Engineer,
Sony Semiconductor of America, San Antonio, Texas, full-time employee: 2000-2001
Responsibilities included software development and enhancements for X-windows based semiconductor fabrication control and monitoring system using CELLworks and SECS Automation on HP-UX using a 4GL IDE. Assisted in Internet security risk analysis/implementation and then replacing NT/IIS system with Linux/Apache web server for customers that use Sony Semiconductor foundry services.
International, San Antonio, Texas, full-time employee:
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.
EDUCATIONAL BACKGROUND AND COMMUNITY
BS in Mathematics, Computer Science and Systems Design (emphasis in Systems Design) from the University of Texas at San Antonio graduating Magna Cum Laude in Dec '85. Coursework (18 hours) toward Master's of Science in Computer Science at University of Houston (86-90) in Software Engineering learning Eiffel and C++, reading numerous technical books, periodicals, trade journals and web research to stay current on my interests in software development technology, Quality Assurance and Software Engineering. HTML 1 & 2 at OLLU (1998), LinuxWorld seminars (San Jose 1999) and Linux Boot Camp at GTC 2000. Volunteered with Alamo PC Organization (between 1983-85), San Antonio Internet access & education pioneer SALSA.NET (1994-97) and with San Antonio Texas Linux Users Group (SATLUG) (1998-2002) teaching others about Linux, performing Linux installs, serving as a club officer, coach and mentor of the open source community spirit. Now affiliated with LinuxCrue.org. Possess a secret level clearance (Active 12/01).
Intelligence, San Antonio, Texas, full-time employee:
Responsible for porting InQuisitive database user interface software to HP/UX platform. Wrote database access subroutines to bypass vendor supplied libraries and allow linking between different vendors databases. Performed network administration on Cabletron Ethernet concentrator and RS232 terminal server.
Computing Systems, Houston, Texas, full-time employee:
Enhanced hospital patient monitoring system written in Microsoft C using 3rd party libraries.
Oil Company Information Center, Houston, Texas, full-time employee:
Microsoft C and Intel Architecture assembly language programmer and Intel PC-based workstations researcher/scientist. Performed VAX and IBM mainframe support, and network communications infrastructure consultation. Programmed async communications device drivers in Intel PC assembly language for IBM VM/CMS mainframe satellite interface and supported terminal emulation and file transfer system in C for MS-DOS using Yale Series/1 interface. Developed and maintained a statistics gathering and reporting system for VAX and IBM mainframe file transfers using SAS. Customized DCA IRMA terminal emulation and file transfer software in Microsoft C v4-v6. 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.