Provided computer support for an IC Design Startup.

• Managed the following machines:
  • 100 linux machines (mostly 3 main cookie-cutter variations (RHEL4, RHEL5, Fedora 7)),
  • 20 Windows machines (Finance, Marketing, Sales),
  • 3 Solaris 8 (legacy license and print servers),
  • 2 HPUX machines (to program the Agilent 8k testers).
• Coded the chip-testing GUI in Perl/Tk for eval kits for our chips to the customers, modified to accommodate new product lines and new features.
• Hand-built the external mail server using a combination of cyrus-imapd, sendmail, apache, squirrelmail, and openldap. Also implemented a calendar server using apache, mysql, openldap, and php.
• Maintain DNS, YP/NIS, NFS system internally; use Samba server as internal Windows Domain Controller.
• Support the MS-Windows users (Sales, Marketing, and Finance).
• Implemented a fairly complex backup system (arkeia for linux, amanda for solaris, backuppc for windows, custom scripts using rsync for miscellaneous items).
• Configured firewalls (Cisco Pix 501 and hardened linux box mantrap w/ iptables and chroot’ed environment for ssh passthru).
• Configured two connections (Nextweb 5.8MHz wireless and AT&T T1) for redundancy with appropriate routing table entries.
• Used dreamweaver and vi and css to completely revamp the company website.
• Used vmware to reduce proliferation of machines in server room and to liberate key Windows machines from hardware dependencies.
• Troubleshoot and tune as needed. Spec & purchase equipment as needed.

Provide computer support for a Venture Capital incubator and its various startups (e.g. Freespace Communications, AON Networks, Pixonics, Sahasra Networks, Pedestal Networks).

• Physical Layer: Cabling, patch-panels, HP ProCurve switches, toning, crimping, racking.
• Network Layer: Netopia DSL router, Cisco 2650 & 1720 routers, Subnet’ing, NAT’ing, Firewall’ing, VPN’s, Apache.
• Application Layer: DNS, email (MS-Exchange & sendmail, qmail (secondary MX, alternate location)).
• Phoneswitches (Shoreline’s Shoreware system)
• Get broken machines repaired.
• Spec & purchase new hardware.
• Routine web-site maintenance.

Was one of first employees at a dot-com startup. Provided almost every type of computer-related support imaginable:

• routers (cisco 1005, etsys freebsd-based T1 router). Implemented both bridging and routing solutions.
• firewalls (freebsd (ipfw, ipfilter), linux (ipchains))
• NAT (natd, ipnat)
• DHCP, DNS (ten-domains, five subnets, 100 hosts), email (qmail)
• Samba (workgroup server under FreeBSD 3.2), shares, printers
• NIS (FreeBSD master & slave-servers; Linux slave-servers & clients)
• Telco (punch-down, crimping, toning, pulling cable)

Provided UNIX systems support for ~200 production UNIX machines that comprise a portion of Wells Fargo Bank’s production environment. Was on a team of 14 people, was on-call once out of every 14 days, and participated in upgrades on weekends as needed.

Provided HP-UX support, mostly systems administration, to HP customers. Worked on design, implementation, and high-end troubleshooting of UNIX-based systems. Designed & installed firewall, web-server for one customer (NPD). Wrote server-side perl scripts to handle web-based survey data. Delivered consulting to Visa, Bank of America Merchant Services, Wells Fargo, Perot Systems, I2 Technologies, Blue Cross of California, Great Western Bank, SIAC (New York Stock Exchange), Instinet (Brokerage House), AT&T Bell Labs, Pitney-Bowes, Nextel, Citibank, Con Edison, Brooklyn Union Gas, GE Capital, ILC Data Devices, United Nations, Voter News Service, Estee Lauder, Saks Fifth Avenue, Canon USA, and others. Work included networking (NIS, NFS, DNS, DHCP, PPP, automount, routing, sendmail, ethernet, TCP/IP, subnetting, and troubleshooting), systems administration, and programming (mostly ksh, perl, and C). Also tuned computers for optimal performance.

Worked in a branch office providing RS/6000 support for Wall Street customers. Did programming (ksh, C), networking (e-net & 802.5, TCP/IP, subnetting routes, NFS, DNS, NIS). Also worked in a branch office providing technical support to NYC-area dealerships for IBM’s PS/2 & RS/6000 product lines: presented to dealers & customers; demonstrated new products; provided technical assistance. Helped the branch become the top in the nation in quota achieved.

Developed a UNIX-based accounting database (in Informix/SQL) for an internal company. Development ran ahead of schedule and under budget. Duties included gathering the requirements for the users and the programmers, designing the system (using standard systems development tools: entity relationship diagrams, data-flow diagrams, function description, and database normalization). Taught myself make & SCCS and used them both for development.