David W Capella contact information available upon request ___________________________________________________________________________________________________
Senior UNIX/Linux Systems Administrator
Employment
Service Engineer Sunnyvale, CA Yahoo! Inc. 2009Present
o Provide
operational and systems engineering support for web
applications
o Work with developers and QA engineers to design, test,
deploy, document, monitor and maintain
applications and components
o Maintain distributed systems, software configurations,
releases, debugging, troubleshooting,
and monitoring
o Generate and analyze metrics for site performance and
availability
Senior UNIX Systems Administrator (consultant) Danger/Microsoft, Palo Alto, CA Taos Mountain, Inc. 2008-2009
o Redeploy, build support infrastructure, and assist with redesign of corporate datacenter
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o Redesign and rebuild automated management and provisioning systems for production and |
preproduction data centers |
o Troubleshoot and
repair network, application, OS, and hardware issues in
support of developers
and engineers
Linux Systems Administrator Mountain View, CA Google 2006-2008
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o Dogfood Team - troubleshoot and repair network, system, and application problems to provide |
internal support for Google products to Google employees |
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o Laison with corporate sysops and production engineering teams to escalate application |
engineering issues and submit code changes |
o Author tools for Gmail data access and manipulation by system administrators
Systems Administrator Ithaca, New York GrammaTech, Inc. 2004-2006
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o Consult with contractors and architects on construction designs and specifications including |
HVAC, power, data cabling, and equipment support structures |
o Specify, purchase, and deploy distributed iSCSI/Fibre SAN across multiple buildings
o Repair improper configurations in existing systems: SMTP, IMAP, DNS, WIFI, NIS, NFS, etc.
o Upgrade network
security to modern standards, e.g., replace telnet with ssh,
IMAP with IMAPS,
add WPA for wireless access
o Redesign network to improve performance, increase security, and implement secure WIFI and VPN
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o Design, build, and install new servers to redistribute loads, improve security, and increase |
capacity for current needs and projected growth |
o Build, install,
write software for new backup server to implement
disk-to-disk-to-tape system
to replace inadequate systems utilizing multiple hosts
Systems Administrator Ithaca, New York Cornell University Dept. of BSCB 2001 - 2004
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o Manage all computing activities in a modest-sized active and diverse academic department |
with an international user base |
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o Maintain departmental network, servers, and workstations including Linux, BSD, Solaris, and |
Windows 95/NT/2000/XP |
o Design, build, and maintain production network RAID storage system
o Design, build, and maintain MPI, PVM, and Beowulf supercomputing clusters
o Work with CIT to develop innovative firewall prototype for deployment at multiple sites across
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campus; incorporating filtering, NAT, routing, WIFI, and IDS functions on a single OpenBSD, |
CDROM-based system |
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o Provide network resources: WIFI, WWW, SSH, Remote X, VNC, SMTP, POP, IMAP, NTP, DHCP, IRC, |
RTSP, Firewalls, IDS/Network/System monitors, Backup, Database, File, and Print services |
o Design and build workstation cloning systems for Linux and NT platforms
o Present basic and advanced Unix training sessions for faculty, staff, and students
o Overhaul web
site: design graphics, convert to dynamic content with
templating, construct CMS
to provide update by students, faculty and staff without
webmaster intervention
o Author data-driven departmental web-based applications
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o Assisted in application of parallel processing techniques to problems in global optimization |
using interval arithmetic |
Information Systems Administrator Ithaca, New York Cornell University Facilities Management 1995 - 2001
o Established a new position and unit to administer computing resources for all departments
o Provide desktop support for over 100 Mac and Windows NT/2000 workstations across entire campus
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o Maintain up 10 Windows NT, 2000, Linux, and BSD Unix servers for 6 large departments across |
several geographic locations |
o Operated several of the first Linux servers and workstations on campus
o Converted all workstations from Macintosh to Windows platform
o Administer approximately 200 user accounts for Windows NT domain
o Work with other
network administrators to establish several cooperative NT
domains within the
division
o Build departmental web-based applications
Technical Consultant Ithaca, New York Cornell University Grounds Department 1994 - 1995
o Assist with special projects for the Grounds Department
o Computerize Grounds Department annual snow removal plan
o Revised all office procedures to streamline and consolidate information resources
Information Systems Manager Ithaca, New York LifeNET, Inc. 1999 - Present
o Engineer and maintain network and small Linux, Unix server cluster
o Author, deploy, and maintain internet-based applications
o Assist clients with maintenance of their hosted network services
Professional Skills
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o Fluent in most popular programming, scripting, and markup languages: python, perl, C, etc., |
conversant in many others |
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o Intimate knowledge of advanced features and system internals of major operating systems: |
Solaris, Linux, BSD, Windows, MacOS |
o Some experience with AIX, HPUX, IOS, others
o Author of several applications included in the Familiar Linux distribution for PDA’s
o Author of many free and shareware programs, utilities, and libraries, in use worldwide
o Extensive
experience in network, OS, and application security testing,
tool construction, and
design of custom protection architectures
o Extensive experience in infrastructure management tools, and datacenter automation
o Almost no
intrusions, compromises or virus infections on any supported
systems or networks for
the past fifteen years
o Consistently achieve 99.999% uptime for supported systems
Community Activities
Computer, Network, and Electronics Consultant Ithaca, New York Ithaca Community Radio 2002 - Present
o Design,
construct, author software, maintain network for computer
interface to control remote
FM transmitter audio via secure wireless link of several
miles
o Interface remote audio equipment to radio station via telephone lines for live productions
Computer and Network Consultant Ithaca, New York Child Abuse Prevention Network 1998 - Present
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o Develop custom web applications and internet-based tools for several international |
organizations |
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o Maintain network infrastructure and servers for several internet domains - DNS, WWW, Mail, |
FTP, Chat, Forums, etc. |
o Technical advisor for global research database project
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o Interface cross-country satellite downlink to multimedia stream for live and archival web |
access of National conference |
o Develop interactive training program for professionals in the field of child abuse prevention
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and maintain infrastructure to provide ongoing training - system in continuous operation for |
over ten years |