1. Overview
System/Network/Database Administration, Analysis, Design, Code, Test, Debug, Conversion:
 With 20 years experience in heterogeneous environments, I prefer challenging tasks.  Experience in databases (extensive RDBMS, with Oracle, Informix, & others; SQL, tuning, installation, administration), network installation and management (TCP/IP, ISO, XNS, ethernet/FDDI/tokenring). X Windows 10/11 (installation, tuning, development), C/C++/FORTRAN/PL1/Basic (analysis through debugging) in both UNIX and MS Windows environments, OOA/OOD/OOPS (spiral development, Yourdon Structured Methods, Information Modeling & ER/Chen, SA/SD (teaching and using) since 1981).  Development Environment Toolsmith (installation of programming tools & environment). Various compiler systems (Borland, Zortech, WMT on MS Windows, dtksh and C++ on Sun Solaris under CDE/Xwindows, X/Windows 11.6 coding, 11.6 installation, setup, tuning.
2. Experience
2.1 Feb 1987-current; RSS, inc.; Senior Contract Consultant
 UNIX SVR2-4. XWindows10-11, DOS 2-7, MS Windows (286, 3.0, 3.1/3.11, WFW Win95/OSR2, NT 3.5/4.0), C/C++ (Borland, Zortech, GNU, ANSI, AT&T), PL/1, FORTRAN, COBOL, APL, SGML, some HTML & JAVA.
2.1.1 Personal research
Database, compression, 3D fault tolerant graphics, parallel computng
2.1.1.1 RSS, inc.
My own company, first as a sole proprietorship, later incorporated, in New Jersey, then North Carolina.
2.1.1.2 Oct 1987 - ongoing
286 to Pentium and other hardware; UNIX & MS/Windows; text, data, image & audio compression. Various ad hoc contracts, student teaching on the side.  Heads up display RFP for military pilot system; word processing and resume shop with my ex-wife, various text and word processing assignments and expertise; personal database research & study (OO, typed, data versioning & warehousing, temporal journaling).
2.1.2 System Administration
Help Desk, Web, Networking.
2.1.2.1 NC A&T University
Greensboro, NC.
2.1.2.2 Sep 96 - Apr 97
IBM PC/clone & Sun SPARC; Sun Solaris 2.5 upgrade,  Web/ethernet/TCPIP installation and setup; general help desk and mentoring; equipment installation & configuration (digitizing table, UMAX scanner, HP peripherals, disk installation on SPARC).

2.1.3 HP Server/Workstation Administration
2.1.3.1 Omni Services, inc.
In Culpeper, VA.
2.1.3.2 Dec 97 - Apr 98
HP 9000 series systems (4xx, 7xx, 8xx, and K series), network of about 65 database servers, 110 application servers, 50+ remote sites, and around 1000 HP X stations;  all aspects of senior level systems administration on systems running HP/UX 9.03 to 11.0; including network debugging (OpenView and other tools), system tuning, peripheral rconfiguration, Informix database (versions 4.xx, 5.xx, 6.xx, and 7.2x), backup/restore, application debugging, and ad hoc support.  Netscape/Comunicator 4 on HP, Applixware (mail, spreadsheet, word), and ancillary tools (HP/UX support).
2.1.4 PC Workstation Administration 
2.1.4.1 USDA
At NC A&T University location, in Greensboro, NC.
2.1.4.2 Sep 96 - Mar 98
IBM Pentium clone, Windows 96 installation, HP scanner, Corel, MS Networking setup, web setup for workstation using Netscape and plugins, HP color printer configuration, modem/SCSI/ethernet hardware conflict resolution (IRQ/port/DMA); general tool setup (MS Office Pro and others for presentations).
2.1.5 Sun Solaris Administration
Informix DBA
2.1.5.1 MCI
Perimeter Park, RTP.
2.1.5.2 Oct 96 - Dec 96
Sun SPARC 20/ES3000, Sun Solaris 2.1-2.6, Informix ES7.21 and New Era tools installation and setup; NFS configuration, data structure analysis on customer large networking provision project.
2.1.6 System Administrator
Network monitoring support and ad hoc.
2.1.6.1 CIBA/GEIGY/Novartis
Greensboro, NC.
2.1.6.2 Mar 96 - July 96
Sun SPARC 20/SC1000, DEC Alpha, Sun Solaris 2.1-2.5 and DEC UNIX; Oracle support for SAP on DEC UNIX; Networking tools support on Sun systems; IBM PC setup for MS Windows/96 and NT X Windows support (Hummingbird and FTP XOnNet); Informix and Oracle database support.
2.1.7 System Administrator
Web services support on IBM PC clone (Linux) and SUN SPARC 1 Solaris.
2.1.7.1 Spyder Byte
Oak Ridge, NC.
2.1.7.2 Dec 95 - Mar 96
Sun SPARC 1, Sun OS 4.1.2/Solaris 2.5 installation and tuning, networking setup, web services configuration, instream customer services support and frontline phone help desk for old and new customers.
2.1.8 System Administrator
Realty Listing Service production support.
2.1.8.1 Offutt Systems, inc.
Greensboro, NC.
2.1.8.2 Oct 95 - Dec 95
Sun SPARC 1 under SunOS 4.1.2 using LISP under Interleaf 5; various PC clones and Windows 3.1/3.11; networking and modem support.
2.1.9 Summaries
Short form summaries of the various contracting posts I have held over the years; a more detailed description is available (the full resume runs to 20+ pages in detailed form.
2.1.9.1 System Administration
DB tuning on AIX 3.2.3 RS 6000 using SAS & ODBC with Informix to/from OS/2, WFW, and Win 95/NT workstations.
2.1.9.2 System/Network/DB Administrator
HP9000/7xx, Sun 20/SC1000, Solaris 1.1-2.4, AIX 3.24 on SP/2, netoworking, Informix, Sybase 10, NIS/NFS.
2.1.9.3 Database Benchmarking
DG Aviion series for TPC benchmarks; IO for disk subsystems and TCP/IP networking.
2.1.9.4 System Administrator/3D Packing
AT&T/NCR StarServer on SVR4 using Informix 4/5 for small package packing.
2.1.9.5 Laser Cartridge Remanufacture
System administration, laser toner cartridge remanufacture and printer/peripheral support services.
2.1.9.6 CAD/CAM Installation
HP 9000/425/710 workstation support for tool manufacturer.
2.1.9.7 EM Emission Test System Development
3B2 hardware testing for EM emissions compliance on military Tempest and Guardian specifications for AFCAC 951 contract.
2.1.9.8 EMC Laboratory Administrator
AT&T UNIX hardware and software for EM emissions testing within AT&T, non-military.
2.1.9.9 Customer Site Capacity Planning & Networking
U.S. Army ISM prototype systems capacity planning and allocation.
2.1.9.10 MLS Realty Database/System Administrator
Unisys 500/6000, Intel, and Prime EXL 3xx systems using SCO UNIX and Oracle database.  Custom hardware installation, and tuning support, database administration and tuning.
2.1.9.11 Army Weapons Documentation Conversion
From Xerox 8600 internal system to DP/Publisher format on Integraph UNIX (using tagged ASCII import for SGML into multicolumn format, and scanner input using Caere Omnipage).
2.1.9.12 System Administrator/Trainer
On AT&T 3B2 under UNIX SVR3; set up MERLIN 1030 PBX using ARS.
2.1.9.13 Desktop Publishing
Word processing and resume shop on AT&T UNIX SVR2 using troff typesetting language.
2.1.9.14 System Administrator & Development Toolsmith
X10/11, C/C++ (compiler modifications), source code control and development environment setup under UNIX SVR3.
2.1.9.15 	System Administrator/Developer
AT&T 3B2 using UNIFY/Accell database product under AT&T UNIX SVR3.
2.2 Jan 1985- Dec 1986; AT&T, inc.; Senior Support Manager
Summary form:
2.2.1 Technical Support Manager
Supported vendors porting their products to AT&T UNIX software and hardware.
2.2.2 Technical Support Laboratory Administrator
Installed, tuned, networked configured the 3B series systems used to support the above project.
2.3 Feb 1983- 1985; Bell Labs, inc.; System Administrator
Summary form:
2.3.1 UNIX Computer Center Administrator
On Western Electric 3B20 and DEC VAX 11/780 equipment, provided systems administrator support for some 70 sytems with 6others for UUCP, NSC Hyperchannel,  RJE; installed and evauated packages and databases, provided help desk councelling, wrote drivers for the S Statistical package for printers and monitors.
2.4 Jul 1981- Dec 1982; AT&T, inc.; Programmer/Administrator
Summary form:
2.4.1 FORTRAN IV Programmer
DARCS System to port from IBM VMS.
2.4.2 Videotext System Administrator
On AT&T/CBS "Venture I" field trial in Fair Lawn, New jersey (later to become Prodigy).
2.5 Jan 1981 - Jun 1981; Yourdon, inc.; Structured methods Seminars
Summary form:
2.5.1 Structured Methods Seminaring
SD/SP seminars tauht; learned SA/SD under Tom DeMarco, John Palmer, Ed Yourdon, Steve McMenamin, Matt Flavin, Ira Morrow, Akan Brill, Tim Lister.
2.6 Jul 1977 - Dec 1980; Western Electric Co.; Programmer
Summary form:
2.6.1 System Administrator
UNIX PWB, MERT, UNIX S4 on DEC PDP and IBM hardware, using C, shell coding.
2.6.2 C package port
RBCS system form old "stdio" to new "stdio" using C language.
2.6.3 Data purification system programmer
Using RJE to IMS database on IBM mainframe under PL/1 language.
2.6.4 COSMOS telephony inventory system programmer
On UNIX  pre-standard release 6 system using FORTRAN IV.
2.7 Jan 1975 - June 1977; UNC Computation Center; Student Operator
Student operator, dispatcher, remote RJE substation operator, help desk.
3. Software
A very brief summary:
3.1 Languages
C, C++,COBOL, FORTRAN IV, PL/I, shell, perl/awk/lex/yacc, SNOBOL, APL, others.
3.2 Windowing & Graphics
X Windows 10.3 to 11.6 (HP Vue, CDE), MS Windows 286 to MS Windows 95 OSR2 and NT Workstation 4.0, OpenLook/Motif, GEM, Vermont Views, HPGL, SAS, layers, di-3000, VESA/VGA hardware.
3.3 Databases
Oracle though 7.0.15, Informix through ES 7.21 and New Era, Sybase r9 and r10, UNIFY/ACCELL, FOCUS, MARK IV, IMS< Lotus 1-2-3, MS Office 95 Pro (Access 2.0), MS Excel, S, Ingress SAS, IMS, dBase III to V, Tuxedo TPS.
3.4 Structured Methods/CASE
SA/SD through Yourdon methods, Cadre teamwork, Software Through Pictures, Objectory, HP Softbench, SPARCWorks suite, OOA/OOD, DSD, DD, ER diagramming, Decision table analysis, Gane/Sarson, Warnier/Orr.
3.5 Networking/Protocols
UUCP, netnews, TCP/IP, URP, ISO, extensive modem configuration, RJE on UNIX, TLI/sockets/RPC/XDR.
3.6 Multimedia/Publishing
DP/Publisher, MS Office Pro 95, Lotus Smart Suite, Ventura Publisher and Corel 3/4/5/6, audio/video capture and compression, various graphics formats,, scanning/OCR interfacing (Caere Omnipage,  HP Scanning Gallery, others).
3.7 Operating System Internals/source
UNIX internals access and minor bug fixes to S4, SVR2, SVR; AT&T UNIX internals training; device drivers under MERT; IBM OS360 internals.  Sun Solaris from SunOS 4.0 to Solaris 2.5.1; HP/UX from HP/UX 7.x to 11.0.
3.8 Development Tools
make/nmake, SCCS/rcs, awk/lex/yacc, various shells (sh, ksh, csk), lint, parswrs, sar/pa/kp/dp/iostat/vmstat/glance, MRCS/CMTS/Sable/Solid, CASE tools (various), ATRIA ClearCase, SunSPARCWorks suite.
4. Systems/Hardware
Brief summary:
4.1 UNIX
4.1.1 Linux
Various IBM PC clones.
4.1.2 HP/UX
HP 9000/(100,300, 425, 733), 9000/7xx(712, 715,720), 8xx (D200, D250).
4.1.3 Sun Solaris
Sun SPARC 1/2/10/20/512/SC1000/ES3000, x86 IBM PC clones.
4.1.4 SVR4
RS/6000 (120-580), DG/UX Aviion 3xx-5xxx, AT&T/BCR Star Server S/E SMP, HP 9000/100-700, others
4.1.5 SVR3
AT&TB 3B series, AT&T 6386 WGS, Sun 3 &4, & SPARC 1/2, Intergraph IP 2020/125/225, TI 100, SCO UNIX 3.2/4, Unisys 5000/6000, Prime EXL 320, VAX 8650, Amdahl 470, IBM PC clones through Pentium
4.1.6 SVR0-2
AT&T #B2 through 4000, VAX 11/780/785, PDP, DG Aviion, others
4.2 Microsoft
4.2.1 DOS
Many PC clones from DOS 2 to 7; also DR/DOS, MOS.
4.2.2 Windows
Many PC clones from Windows 286 through to date, including variosu SoftPC emulation packages on Sun Solaris and other hardware.  Windows from 286 to Win/95/NT.
4.2.3 OS/2
Various PC clones.
4.3 IBM Mainframe
S360, S370, 30xx, Amdahl 470/570 series; CICS, MFT/MVT, HASP, TSO, MVS
5. Education
BS in Mathematical Sciences (ORSA (Operations research & System Anslysis), Statistics), UNC, Chapel Hill, 1976; Structured Testing Seminar, 1986; Yourdon Structured methods, 1981; ACM & IEEE Voting member, 1981 onward.  Extensive Personal Research.
Roy Andrew Crabtree ; Apartment E-1 ; 1800 North Elm Street ; Greensboro, NC 27408-6633 ; 910-275-2103