Over 20 years Unix experience including SUN, HP, AIX, SCO, Linux, FreeBSD, and Ultrix. Worked at all levels of system and network administration. Written scripts in Borne, Korn, and Perl. Worked with SQL databases. Written xhtml websites using CSS and javascript. Experience with hubs, switches, routers, routing, CIDR using VLSM. Experience with both IPv4 and IPv6 networks. Experience with frame relay, T1/E1, wireless, and DSL. Worked with Fiber (single and multimode), UTP, and coax. Experience with network and systems security, firewalls, VPNs, NAT, VLANs. Experience building and installing embedded systems. Experience installing, configuring, and administering Asterisk PBX. Co-author or author of several books and numerous magazine technical articles. Performed technical editing. Authored and edited Linux Professional Institute exam questions. Able to rapidly and easily assimilate and master new programs and technologies. Veteran (w/ 40% disability)
PEOPLE, MANAGEMENT, AND COMMUNICATIONS SKILLS OVERVIEW
Excellent communications skills, both written and oral.
Made presentations to large and small audiences.
Ability to present complex subjects in terms understandable to laymen
Superb project management and budgeting skills
Directed and supervised multiple teams
Technical writing and editing in current Information Technology issues for Linux Journal (1996-2006)
Co-author of QUE Special Edition Using Caldera OpenLinux and QUE Special Edition Using Linux, 6th Edition, and author of Linux Security Toolkit, as well as a monthly Linux Journal column, Focus on Software and numerous Linux Journal articles.
Performed technical editing for Linux Journal and several book publishers
Authored questions used in the LPI exams, and performed technical editing on questions used on LPI exams
Taught classes in systems and networking
UNIX AND NETWORKING TECHNICAL SKILLS OVERVIEW
Script writing (Korn and Borne shells, Perl -- 1992 to present)
Ultrix and SunOS4 system administration (1990-1996)
Linux, SCO OpenServer, and Solaris 2.x, installation, configuration, and administration (1995-present)
HP-UX 9/10 and AIX 3/4 installation, configuration, and administration (1997 to 2000)
Informix installation and configuration (Oct 97-present)
Firewall installation and configuration (1996-present)
VPN installation and configuration (1998-present)
Database (SQL) installation, configuration, and administration (PostgreSQL) (2002-present)
Asterisk PBX installation and configuration (2004-present)
VirtualBox virtualization installation and configuration (2007-present)
Embedded systems (OpenWRT) installation and configuration (2008-present)
WORK EXPERIENCE
Pananix, SA; Feb 2000 - Oct 2009
CTO and Senior UNIX/Network Engineer
Provided consulting services for network design and installation
Supervised installation, configuration, and monitoring of Linux-based routers and firewalls
Taught administrators advanced concepts in Unix and Linux systems and network administration
Provided Internet connectivity and secure WAN connectivity via the Internet
Provided consulting services for security
Worked on SQL servers (principally PostgreSQL)
Administered hosted internet servers
Installed, configured, and administered Asterisk PBX servers
Wrote web interfaces using CSS, XHTML, AJAX
Custom Software Services, Inc.; Oct 97 to Aug 99
System Support Technician
Managed the installation and use of hardware and software internally, configuring PCs and UNIX servers, redesigned and reconfigured the internal TCP/IP network
Configured PCs and UNIX servers in networked environments for client sites
Developed and provided training for CSS staff in the use of hardware and software, and provided technical support in the use of networks, PCs, UNIX servers, and productivity software
Negotiated new Internet connection at a significant savings
Negotiated a telecommunications package with an upgraded circuit (T-1) at a substantial savings over previous switched service. (Nearly 50% savings on per minute costs)
Maximized resources by reemploying unused 486 computers and installing Linux for network routing and monitoring functions, e-mail, DHCP, NTP, and DNS servers
Installed a firewall and reconfigured network to protect corporate assets previously on the Internet and unprotected
Upgraded IBM AIX 3.2.5 to 4.1.5; upgraded Oracle and Informix database servers; migrated Informix SE to Informix Online Workgroup Server at CSS and client sites; installed Informix OWS at client sites
Performed system recovery and installation of SCO OpenServer at CSS and client sites
Managed departmental purchases and budget
Precept Management Corporation contract at Ft. Lewis, WA; Sep 96 to Sep 97
Systems Engineer II
Administered, maintained, upgraded, and backed up five Banyan VINES servers in three locations; performed user administration
Performed troubleshooting of the network and maintained network continuity; tools included a sniffer and Unix tools (traceroute, tcpdump, etc.)
Maintained an OS/2 Novell GroupWise e-mail message server consisting of four Post Offices and five geographically disparate subdomains spanning 12 states and over 600 users connecting via the Internet and dial-up
Implemented several no-cost solutions using Linux and existing equipment which increased reliability and network accessibility over five fold
Coordinated efforts with two other systems administrators in planning and executing a transition from a heterogeneous mixture of VINES, Netware, and NT servers running multiple network protocols, to a single NT network running TCP/IP in a manner totally transparent to the over 300 users impacted
Created an internal Web site with database access and an anonymous FTP site to aid in dissemination of mission critical information
Installed/upgraded over 140 computers to Windows 95/Office 95
Installed MS Exchange, MS SQL, and MS SMS servers
Installed a DNS server and network monitoring software on a Linux system to improve reliability
Performed functions of Information Management Staff Officer for the Deputy Commanding General for the Fifth U.S. Army at Ft. Lewis
Independent Computer and Network Consultant; Mar 96 to Aug 99
Lacey, WA
Provided Internet connectivity solutions for individuals and companies, including masquerade (network address translation) servers, firewalls, and network security assessments
Wrote articles and performed technical copy editing for Linux Journal
Provided remote systems administration
US Army, Republic of Panama; Apr 90-Feb 96
All Source Intel Tech
Information Systems Officer and Network Security Officer for two LANs: one secure Unix-based LAN (part of a WAN) and one Banyan VINES LAN
Supervised and performed Project Management for 30 analysts (divided into three teams)
Performed technical editing and wrote technical articles
Wrote computer security policies
Responsible for departmental budget
Redesigned a proposed week-long computer network upgrade which resulted in minimal (two hours) network down-time and no lost production time
Supervised, and trained subordinates on troubleshooting of ethernet (fiber optic and UTP CAT 5 cabling) circuits from workstations and servers through hubs, routers, multiplexers (MUXs), military cryptographic equipment, and DSU/CSUs, to maintain network continuity and security
Independent Systems and Network Consultant; Oct 2009 - Present
David, Chiriquí, Republic of Panamá
Provided network and systems solutions and integration for companies, including, but not limited to, VPNs between branch offices, firewalls, DNS service, network security assessments, intrusion detection and mitigation
Gave instruction to university professors and lectured on networks and systems
EDUCATION
Embry-Riddle Aeronautical University, Ft. Campbell, Kentucky Campus, Master of Aviation Management (MBA equivalent)
Embry-Riddle Aeronautical University, Ft. Bragg, NC Campus, BS in Aviation Administration (BS BA equivalent)
INTERESTS
Interests include IPv6, Virtualization, and PC-based distributed supercomputing
Other interests: Flying and sailing
CURRENT RESIDENCE AND CONTACT INFORMATION
Residence Address: David, Chiriqui, Republic of Panama
Mailing Address: PTY 6457, PO Box 25207; Miami, FL 33102-5207
Phones:
1-307-215-9190 (Google Voice)
1-512-590-8855: redirects to phone in Panama (please be patient)
011-507-730-5060: international number
011-507-775-2594: international number
david-bandel: skype
Latest copy of this document available from: About Me (http://david.bandel.us/about.html) on my website.