Summary of Qualifications

• Operations & Infrastructure Architect.

• Expert in UNIX Systems & Network Administration

• Long term and comprehensive experience (over 25 years)

Technical Skills (Partial List)

Operating Systems:

• Extensive experience with GNU/Linux (15 years)

• Extensive experience with Solaris/SunOS (~20 years)

• Moderate experience with BSD, OS/X

• Moderate experience with Cisco WebNS & IOS.

Protocols & Network Services: DHCP, BIND, TFTP, NIS/NFS, SMB, iptables, SMTP (postfix, sendmail), SSH/SCP, Rsync, IMAPS, Kickstart/Jumpstart

Storage: HDS SAN, Sun Storedge/Symbios, iSCSI, Linux LVM/RAID, Legato, Veritas,

Monitoring: Nagios/Perfparse, Cacti, MRTG, SNMP

UNIX Tools: sed, awk, grep, bash, vi, find, etc...

Development: Build (and port) software from sources adding patches and configuration including kernel.

Employment History

Senior Unix Systems Administrator
Yahoo! Inc. - Sunnyvale, CA. March 2007 - Present

• I am a member of a small team of Systems Administrators who are responsible for Yahoo's global Production and Corporate UNIX systems Administration. We are responsible for DNS administration and operations for all of yahoo's various properties worldwide both production and corporate. We are responsible for operating systems provisioning, operational troubleshooting, datacenter tools and services infrastructure. We are the team that ensures Yahoo sites go up quickly, perform well and stay online. Our servers are a mix of FreeBSD and RHEL GNU/Linux on various x86 32 and 64 bit platforms ranging from single core 4G to larger 8CPU/64G systems.

Global Infrastructure Architect (Consultant)
Network Appliance, Inc. - Sunnyvale, CA. March 2006 - March 2007

• Report to Senior Manager of Global Infrastructure as a senior member of the management team. Review and analyse worldwide operations and IT infrastructure in areas such as NOC, systems availablity and performance monitoring, directory services, email, secure remote access, systems enrollment, OS and Applications provisioning, patching and Maintenance. Review and Recommend new processes and toolsets for comprehensive ITIL integration. Project Lead for IBM/Tivoli, Opsware and other key initiatives. Review and approve Enterprise Change Management requests and workflow. Member of Infrastructure Architecture Review Board.

Senior UNIX and Network Systems Engineer (Datacenter Architect)
Netblue, Inc. - Mountain View, CA. May 2004 - January 2006

• I started as the sole systems engineer with the existing datacenter operations in 4 ISP Cabinets with ~25 hosts running mostly Redhat 7.2. I enhanced security of operations with wide implementation of ssh/scp. Introduced sudo and other methods to restrict and audit access. Created an automated NOC utilizing redundant servers with Nagios, Perfparse, Cacti, NTOP, Syslog-NG & Logwatch for remote logging & analysis. Host and services provisioned through Kickstart and other automated means. Implemented and Utilized Trac Wiki for Change Management, SVN for source management. Automated backups of infrastructure systems using rsync over ssh. Implemented network and server security with bastion hosts, firewalled network access through host IPTables and Cisco network gear. Provisioned HDS SAN, ISCI equipment & various hardware and software RAID schemes. Programmed Cisco WebNS for load balancing with persistance & redundancy for ~50 websites and other services. Provided on call 24/7 NOC support. Migrated main operations to new datacenter with 6 custom racks in a cage. At the time of my departure there were over 100 CentOS GNU/Linux servers in three locations and three additional Systems Engineers who provide datacenter services which advance key business projects

Senior Consulting Engineer
Apple Computer - Atlanta, GA. February 2002 - February 2003

A member of a team providing an overlay of Enterprise UNIX server expertise to Apple's Educational Sales Field Organization. I was responsible for supporting and training Apple's systems engineers and account executives to help them understand and sell UNIX server systems. This included working with the field to identify and pursue significant opportunities. I developed and delivered presentations and demonstrations to key customers achieving significant success in demonstrating enterprise capability for Apple's UNIX server products.

Senior Systems Engineer
Napster, Inc. - Redwood City, CA. January 2001 - January 2002

• Created reliable, high performance web server farm.
• Responsible for server systems support including large "napster" server farm with over 1.7M concurrent users sharing over 280M files
• Responsible for daily operations support of infrastructure (nfs, dns, dhcp, etc...)
• Solaris systems with Veritas cluster, VM & FS, EMC storage and Oracle DBMS. Linux systems for website(s), napster servers, various infrastructure.

Staff Engineer
Sun Microsystems, Inc. - Mountain View, CA. February 1996 - December 2000

• Converted from contract to regular position. Accepted responsibility as Staff Engineer for all aspects of partner software engineering for Solstice Backup (SBU) product including sustaining product support and new product development. Successfully completed entire major product release lifecycle (front to end) with the release of SBU version 6.0 Participated as member of W-team to coordinate Product development, Customer support, manufacturing and marketing efforts. Authored product Engineering plans, Marketing Requirements Definitions, Responsible for all bugs and engineering escalations. Directed other engineer(s).

(Contract)

• Desktop Corporate Escalations Group, Lead Engineer. Responsible for management of escalated customer support issues. Developed workarounds and product fixes for problems without existing resolutions. Managed Information necessary to coordinate Product development and Customer support efforts.
• Network Storage division, Quality Assurance & System Test Group. Responsible for the testing of Fibre Channel & SCSI hardware RAID devices and software including drivers, GUI management tools, RAID Management software and Veritas Volume Manager/File System. Authored & Developed Test Plans. Automated procedures through jumpstart and rc scripts. Managed group lab.
• Lead Quality Engineer to perform system software and hardware testing for UltraSparc/AX system board for OEMs. Developed and implemented Test Plans providing 'go-nogo' decisions for product development and marketing.
• Provided Internet software and hardware expertise to team developing Internet software and HTML/CGI based administration tools. Ported and built various packages to be integrated to products. Managed project lab. Supported Sustaining Engineering for previous product version.

Senior Systems Engineer
Healtheon, Inc. - Palo Alto, CA. July 1996 - December 1996

• Responsible for initial installation and administration of highly secure and available web site.
• Responsible for systems administration of Corporate and Engineering networks.
• Installed and configured Gauntlet firewall, Split DNS, NIS with Automount, ISDN and remote access using PortMaster, RADIUS and SecurID token cards.
• Procured DLT/Legato tape system for database (Informix), UNIX and Windows workstations backups and archival.
• Worked with Network Engineer to plan and implement network topology for complex multi server facility utilizing multi-homed hosts, Cisco routers and high speed ethernet switches. Renumbered internal networks and migrated from ISDN to T1 Internet connection.

Co-Founder & Chief Architect
Cornerstone Networks - Charlottesville, VA. July 1995 - December 1995

• Co-Founded Internet Service Provider business. Designed and implemented complete system including T1 IP connection, dial-in lines, dedicated client networks, accounting and billing interface. Full services include DNS, Web, FTP and Mail services (with Virtual Domain support) for a mixed consumer and commercial clientele. Equipment included Cisco routers, USR modems, Sparc/SunOS and Pentium/Linux. This business was subsequently sold to a telephone company.

Computer Systems Engineer
University of Virginia - Charlottesville, VA. January 1985 - November 1995

• 1994 - 1995 Designed and implemented community network for county and city government. Project provides Internet access and presence for regional non-profit and government service organizations as well as numerous public use facilities in regional library system.
• 1993 - 1994 The Hopper project. A public access Internet experiment. (see below; Turing Project)
• 1993 - 1993 Special Project, Multicast IP Experiments. Created multicast router and application platform for real time audio/video experiments over MBONE meta-network.
• 1992 - 1994 Netware Lead Support Engineer; lead group of 6 engineers and technicians in the management and support of the campus wide 180 server internetwork. Directly responsible for 24 servers within computer center facilities. Upgraded many systems to 3.x.
• 1991 - 1992 Designed and implemented statewide network for Continuing Education Division. Over 250 stations at 7 regional centers were connected with Proteon routers and 56Kbps links, and then connected to Internet at UVA. The Centers used SNA, Netware and IP protocols.
• 1990 - 1991 Installed TCP/IP on IBM SYS/370 to provide FTP and TN3270 services.
• 1989 - 1990 Designed, implemented and managed 80 station Token Ring network with Netware file and print servers, 3270 gateway, application programs (Wordperfect, Lotus, Dbase, etc?)
• 1988 - 1991 Continued responsibility for rapidly growing VTAM/SNA network (Now 1250+ nodes).
• 1987 Began migration to PC based 3270 emulation products.
• 1986 Responsible for large (750+ node) VTAM/SNA network with local and remote 3270 terminals and printers.
• 1985 Responsible for processing daily jobs, input and output. Designed and implemented new online system for job submission and review, still in use as of 2002.