107 Nobhill
San Antonio, TX 78228 |
OTHNIEL MARK GRAICHEN
(210) 295-1808 |
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 |
SCO Unix 3.2 v4.2 - 5.0 | Win 2000 Server&Pro | SQUID Proxy Server | Perl, PHP, & Javascript |
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 |
EMPLOYMENT HISTORY:
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,
CACI,
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.
Software Engineer,
Cyberlog
International, San Antonio, Texas, full-time employee:
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.
EDUCATIONAL BACKGROUND AND COMMUNITY
SERVICE:
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).
Systems Analyst,
Programmed
Intelligence, San Antonio, Texas, full-time employee:
1991-1992
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.
Software Engineer,
Trinity
Computing Systems, Houston, Texas, full-time employee:
1990-1991
Enhanced hospital patient monitoring
system written in Microsoft C using 3rd party libraries.
Programmer/Analyst,
Shell
Oil Company Information Center, Houston, Texas, full-time employee:
1985-1990
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.