Nathan Wallwork Albuquerque, NM 87102 505-245-7687 owen@pungent.org ----------------------------------------------------------------------- Summary of Experience 16 years of professional experience: System Administrator - mostly Linux, some Solaris & MS-Windows Programmer - C, Perl, C++ Webmaster - Apache, PHP, Perl, Tomcat DBA - Most PostgreSQL & MySQL, some Oracle Summary of Qualifications [key words for HR searches] Linux Systems Administration Bash, Shell scripting, RPM, yum, DNS, Postfix, Sendmail, Samba, XFree86 (X11), VMware, Nagios, clustering, cron, Amanda, rsync, tape backups, redundant file systems, firewalls, load balancer High Availability Linux-HA, Heartbeat, DRBD Networking iptables, tcpdump, TCP/IP, ssh, VPN, ipsec, ftp, telnet, PPP, SLIP, diald, bootp, rarp, xdm, rsh, uucp, Novell Computer Languages Perl, C, C++, make, Bison, Flex, Tcl/Tk, Scheme, Lisp, Ruby, Java, Assembly, Pascal, Basic, Fortran, ML, Visual Basic Database Integration PostgreSQL, MySQL, Oracle, MAS90, SAS/ACCESS, DB2, MSSQL Web Development/Support Apache, XML, XHTML, HTML, mod-perl, SSL, PHP, CGI, Tomcat, WebLogic, Bluestone, Mason, Weblint, Linbot, SFgate, WaisIndex Hardware Rack mounted PCs, PCs, routers, hubs, Ethernet, RJ-45, Cat 5, NCD, RS-232C, dumb terminals, various DEC equipment Other Operating Systems MS-DOS, MS-Windows (3.*, 95, 98, NT, 2000, XP), Digital Unix, AIX, SunOS, Solaris, VMS, RSX, NextStep, CP/M Experience Senior System Administrator Honeywell FM&T/NM, Albuquerque (2005-10 -- current) * Primary responsibility for KO internal application servers * Primary responsibility for major security accreditation effort * Tech lead for redesign of internal development infrastructure * Rebuilt Linux servers, consolidated to single distribution * Responsible for Nagios monitoring of 100+ hosts, 150+ services * Technical documentation System Administrator/Programmer CoMeT Solutions, Inc, Albuquerque (2005-01 -- 2005-07) * Primary responsibility for all hardware and network services * Redesigned automated build/test with extensive error reporting * Standardized build environment, removing Cygwin based assumptions * Migrated development team to Linux hosts with virtual XP/Linux VMs Senior Linux system administrator IT Department, PNM, Albuquerque (2001-06 -- 2004-06) * Primary responsibility for 50 Linux servers * Lead admin for all Linux services and security - Apache, backups, clustering, firewalls, ftp, LDAP, Nagios, Postfix, Postgres, Snort, sshd, time servers, Tomcat, WebLogic, and others * Tech lead, moving EBiz from Bluestone to WebLogic with no downtime * Designed and implemented redundant fail-over for EBiz, email, web * Responsible for Nagios monitoring of 125+ hosts, 300+ services * Supervision and training of Linux personnel * Network/security consultation/troubleshooting for other departments * Creation/documentation of policies/procedures for IT department * Programming support and database analysis for Passport upgrade Programming Consultant Khoral Research, Albuquerque (2001-01 -- 2001-06) * System administration * Perl programming * Database design and management * Software testing/QA * Training Linux System programming Zelerate (formerly OpenSales), Albuquerque (2000-10 -- 2001-01) * Primary responsibility for Linux servers, security, and network infrastructure * Perl programming (CGI) * Database management (MySQL / Postgres / Oracle) * Network support * Hardware support Linux System Administration Latin America Data Base, UNM, Albuquerque (1998-05 -- 2001-01) * Sole responsibility for Linux servers, security, and network infrastructure * Webmaster (Latin America Data Base & Latin American Research Review) * Database design/integration/management (MySQL, Postgres) * Network support * Backup systems * Hardware support * Training Perl programmer - Research Assistant Computer Science Department, UNM, Albuquerque 1997-05 -- 1998-04 * Worked with professor Ackley on CCR, a research project investigating the application of biological, ecological, and generally `life-like' concepts to the theory, design, construction, maintenance, and evolution of computation and communications systems * Perl programming and Linux support * Helped design groupware, a system for computer mediated collaborative activity Senior hardware technician Computer Bazaar, Albuquerque 1995-06 -- 1995-12 * Assembly / testing / repair of PCs * Primary responsibility for managing inventory and resolving customer complaints Hardware technician Digital PC ServiCenter, Albuquerque 1995-01 -- 1995-05 * Hardware repair * Network support Software Engineer - Contractor Software Development Group, Intel, Rio Rancho 1990-10 -- 1994-12 * Supported station controllers and real-time embedded systems for 24x7 operation of the semiconductor production environment * Personally responsible for the design, implementation and maintenance of several station controllers - JEPAS, Vickers, Skip Lot Sampler, Hitachi and Anelva * Helped design the Zuni station controller language and the Nova and Wet Etch station controllers * Database integration (SAS/ACCESS) Last modified: 2007-06-24