DAVID R. DULL
2001 McAllister Street #232
San Francisco , California 94118
415-793-3544 |
|
ddull@netcom.com |
Skills:
- Operating Systems: AIX, FreeBSD, HP-UX, Linux, Solaris, MS Windows
- Languages: bash, Bourne shell, C, C++, CGI, CSS, HTML, J2EE, Java, Korn shell, Perl, SQL, XML
- Networks: DHCP, DNS, ethernet, F5 3DNS, F5 BIG-IP, FireWall-1, Gauntlet, HTTP, LAN, NIS, NFS, ssh, SSL, TCP/IP
- Applications: adb, Alexandria, Apache, cfengine, ClearCase, CVS, DB2, gdb, Hummingbird eXceed, iPlanet, Informix, JIRA, kdb, Legato Networker, Logical Volume Manager, Netscape Enterprise Server, Oracle, pcAnywhere, PVCS, RAID, Salesforce, sar, SCCS, sendmail, tcpdump, Tivoli, Veritas file system, Veritas Netbackup, Veritas volume manager, Visio, VNC, WebSphere
- Soft Skills: customer management, documentation, management, performance tuning, project management, professional training, security, standards formulation, vendor management
Experience:
- 9/08 - 10/08: GroundWork Open Source, Inc. Systems Support Engineer. Provided technical support for enterprise system monitoring software. Documented system administration procedures, reducing call turnaround from 2 days to 20 minutes. Analyzed and debugged application software, reducing support load for development engineers by 20%. 20 satisfied customers.
Environment: Salesforce, JIRA, Apache, PHP, Perl, MySQL, Nagios, RRDtool, NeDi, Ntop, Cacti, Ganglia, Red Hat, CentOS, SUSE, and Debian.
- 5/06 – 5/08: Under contract to Charles Schwab & Co., Inc. Unix and WebSphere Administrator. Supported a mission-critical web Content Management System. Built and deployed custom applications in development, QA, and production environments. Scripted build and deployment, reducing this cycle from 2 days to 90 minutes. Scripted application maintenance, eliminating developer involvement. Coordinated 9 work groups to deliver a new development environment, increasing availability to nearly 100%. Wrote performance analysis tools, Tivoli agents, and ad-hoc stress tests. Documented software and procedures. Taught system administration skills to project programmers. 376 notes of appreciation.
Environment: ClearCase, ClearQuest, Visio, IBMIHS, WebSphere, CM, DB2, HP proLiant, Red Hat Enterprise Linux.
- 6/03 - 12/05: Under contract to Visa USA. Systems Administrator. Supported Resolve OnLine, a dispute resolution system that saved member banks $26 million per year. Deployed custom applications. Acted as a team player to reconfigure development and QA systems overnight. Provided 24x7 support to keep development cycles on time. Deployed up to 3 application versions in one 24-hour period. Provided custom analysis, design, integration, support, administration, and unit test. Investigated middleware, server, and network outages. Studied server optimization strategies. Supported QA team for component integration, regression, and stress tests. Initiated production-style configuration management in development and QA systems. 310 notes of appreciation.
Environment: WebSphere, IBM HTTP Server, Actuate, SiteMinder, Veritas Netbackup, ClearCase, AIX, Solaris, Windows NT, Windows 2000, and Windows 2003 Server, IBM p630s and p660s, and Sun 450s.
- 10/01 – 8/03: San Francisco State University, College of Extended Learning. Faculty. Developed and presented evening classes in Linux, Unix, and Apache web server. 22 satisfied students.
- 9/02 - 6/03: Under contract to Bank of America. Senior UNIX System and Network Administrator. Managed a Technology & Operations stress test laboratory that was a half-scale model of production. Deployed WebSphere applications. Committed to 14-hour workdays to assure on-time certification of software for production readiness. Wrote scripts to unload and load data and change database state information. Provided OS and hardware level systems monitoring, recording, evaluation and reporting. Supported various teams in performance tuning and issue resolution. Planned and implemented laboratory reconfiguration. 17 notes of appreciation.
Environment: Big IP, 3DNS, Firewall-1, iPlanet web server, WebSphere, MQ, Perl, Korn shell, C, SQL, Informix. CVS, sar, AIX, Solaris, snoop, tcpdump, ping, traceroute, Visio, IBM p690s, Sun Ultra Enterprise 2s, Sun 420Rs, and Sun 4500s.
- 5/01 - 9/02: Under contract to San Francisco State University, College of Extended Learning. Instructor. Taught day and evening classes in UNIX System C/C++ programming. 62 satisfied students, certificate of appreciation.
- 7/02 - 8/02: University of San Francisco, School of Business and Management. Adjunct Professor. Taught a graduate-level course in business decision analysis. 21 satisfied students.
- 11/00 - 5/01: Under contract to Microsoft Corporation. Systems Analyst. Used artificial intelligence software to configure production servers to be self-maintaining at the LinkExchange/bCentral business unit. Evaluated alternatives, and installed and configured cfengine on 162 servers. Recommended infrastructure improvement strategies. Provided third-tier internal production support. Taught UNIX system administration, Perl, and CGI programming to 16 employees and contractors. 19 notes of appreciation.
Environment: Apache, OpenSSL sar, FreeBSD, Solaris, vinum RAID.
- 8/99 - 5/01: Under contract to San Francisco State University, College of Extended Learning. Instructor. Taught evening classes in UNIX System C/C++ Programming. 77 satisfied students.
- 4/00 - 10/00: Under contract to Charles Schwab & Co., Inc. Senior UNIX System Administrator. Supported Schwab Institutional wholesale trading systems. Coordinated the implementation of a new production environment. Coordinated 3 departments and 2 vendors to migrate a development environment between two ISPs. Provided performance analysis, user administration, and network troubleshooting. Installed and configured servers and disk storage units. Trained 5 system administrators in unique development environment features. Brought 2 new development teams in line with company standards. 104 notes of appreciation, "Godzilla" award.
Environment: CONNECT:Direct, Java, WebLogic, Oracle, Gauntlet firewall, Cisco, Verisign, Veritas Volume Manager, Veritas File System, Veritas FirstWatch, Veritas NetBackup, Legato Networker, Sun 450s and 4500s, A1000 RAID, StorageTek 9714 tape library, INFO, MVS/TSO.
- 1/99 - 3/00: Under contract to Visa International. Senior Systems Administrator. Supported 8 projects in Distributed Test Environments. Averted worldwide disaster on the Y2K project. Standardized 3 development teams to meet requirements of the Change Management Office. Created and documented procedures to make legal archives of development configurations and data. Performed security audits and upgrades on Solaris and AIX servers. Implemented process accounting and sar. 76 notes of appreciation, "Visa Stars" award.
Environment: Intersolv PVCS, INFOMAN, MVS/TSO, Sun Enterprise 10000, Sun Ultra 2, Ultra 10, Ultra 60, Solaris, Informix, Veritas Volume Manager, Syncsort, Reel Librarian, CONNECT:Direct, Java J2EE, Gauntlet firewall, IBM F50, HP b2600, Redwood Timberline tape storage, Windows 95, Windows NT.
Education:
Certifications:
Last updated 3/31/2009 by David Dull,
ddull@netcom.com.
Click here for a Word-formatted resume:
http://www.DavidDull.com/DDull-Resume.doc