Part developer, systems administrator, and database administrator for CORE, Rackspace's home-grown CRM application and central part of Rackspace's IT infrastructure.

• Web User Interface development for CORE.
• Assisted in migration to Salesforce.com and it's integration with CORE.
• Wrote scripts/tools to analyze the performance statistics of CORE's cluster of web-facing servers (webheads) and PostgreSQL database servers using Python, Apache's mod_security plugin, sqlite and matplotlib.
• Administration and configuration of ZenOSS monitoring server used to monitor all CORE production and development servers.
• Deployed and administered Postgres-based servers running on Ubuntu servers as well as configuring and testing pgpool for multi-master replication.
• General database (Postgres) administration, performance analysis, and benchmarking.
• Re-implemented Rackspace's LDAP authentication on Ubuntu systems as the previous implementation did not scale well.
• Created Debian/Ubuntu packages for internal software.
• Evaluated cfengine as possible solution for configuration management.
• Received training for PostgreSQL database administration and development with Ruby on Rails.

Part of a small team of IT administrators.

• Building, configuring and administering Check Point Secure Platform firewall and management console.
• Administration and maintenance of 60+ Windows Servers and clusters, mostly 2003 Server, on such platforms as x86, x64, Itanium and VMware 3 Infrastructure.
• Assisted in migration of SAN from Dell to EMC CLARiiON.
• Converted/upgraded standalone VMware 2.x servers to VMware Infrastructure 3 with SAN-attached storage and multiple virtual switches. Administered 3-node VMware Infrastructure, including configuring and testing DRS, VMware HA, upgrading memory, installing multi-port NIC cards, creating and configuring guest machines from scratch as well as using VMware's P2V and PlateSpin PowerConvert. Architect of VMware backup strategy using fibre-attached tape drives and VCB snapshots.
• Wrote various systems administration scripts using Windows Script Host (WSH) and WMI.
• Administration of nightly, weekly & monthly backup jobs using Backup Exec, SAN snapshots, Oracle and Exchange agents and multiple tape libraries. Documented corporate backup and DR strategies.
• Administered CheckPoint firewall. Converted CheckPoint firewall from Windows host to Secure Platform.
• Consolidated various scheduled tasks running on multiple servers. Administration of Surf Control mail and web filtering servers.

Consulted to Verio, Inc. as a Python/Zope programmer.

• Assisted conversion from Siebel Customer Relation Management (CRM) system to large in-house system utilizing Python, Zope, LDAP and other open source technologies.
• Code maintenance including bug fixes, additional features and documentation.
• Assisted database group with conversion of data from Siebel/Oracle format to custom/Sybase.
• Performed work both on site and remotely.

Performed various IT-related tasks as an independent consultant. Clients include Sabretooth Consulting, Laboratory Corporation of America, and individuals.

• Implementing Internet proxy server (squid) with bandwidth quotas.
• Providing technical support for Linux-based email servers (qmail). Administered various servers, desktops and laptops running Gentoo Linux. Wrote security guidelines.
• Prepared and gave courses on the Python programming language.

Member of corporate "open systems" team which oversaw deployment, administration, and maintenance of all Unix/Linux on Intel systems for second largest U.S. clinical laboratory corporation.

• Administered and supported 20+ UnixWare systems across the U.S..
• Administered and supported 100+ Red Hat Linux systems in cluster and stand-alone configurations.
• Architect and validated disaster recovery plan for UnixWare systems.
• 24/7 support of clinical laboratory systems. Built and maintained Plone content management systems.
• Deployed multiple Linux systems using Kickstart. Developed web-based utility in Python for generating and delivering Red Hat Kickstart configurations.
• Upkeep of software patches and updates using Red Hat Network.
• Executed validation/re-certification of system hardware.
• Built fail-over and load balancing clusters using Red Hat Linux on IBM and Dell hardware.
• Configured DELL/EMC and IBM storage subsystems (both SCSI and Fibre Channel).
• Maintained local server room and coordinated replacement of power supplies, air conditioning, etc.
• Received monetary reward for assisting in recovery of over a decade of offline data in accordance with new state law.
• Design/implementation of internal web-based inventory system.
• Supported legacy systems and interfaces from Dynacare.

Primary responsibility of creating and maintaining company's entire Linux, Internet, & security infrastructure.

• Established and maintained information security standards and procedures.
• Sole overseer of corporate systems and network security and auditing.
• Performed risk assessment and contingency planning.
• Designed and implemented interfaces between various laboratory systems running on various platforms using Linux as a "interface concentrator".
• Designed and implemented corporate Internet, intranet, and security infrastructure including web (Apache, IIS), email (qmail), DNS (BIND), and firewall (Cisco PIX) systems.
• Implemented redundant/fail-safe email and web servers in a multi-node LVM cluster.
• Installed, maintained, and supported NT/IIS servers.
• Maintained Dynacare's public key infrastructure (SSL & PGP).
• Solely, administered AIX Unix and Red Hat Linux servers.
• Configured and monitored backup strategy of Linux systems using Amanda backup utility.
• Assisted in administration of Windows NT servers.
• Received monetary reward for work assisting with post-Y2K monitoring/evaluation.
• Authored various systems-level administration, interface and automation scripts using Python programming language.

Primarily responsibility was development and maintenance of LabCorp's Large Laboratory System (LLS), clinical laboratory software in MUMPS programming language.

• Half of two-person team to develop front-end order entry system using CyberTools for use on terminals, MS Windows, X/Motif and/or Java environments.
• Assisted in full-scale laboratory conversions to corporate LLS software which included hardware, software and database migrations.
• Developed and deployed nationally the company's replacement fax reporting interface/subsystem.
• Supported legacy applications using DSM MUMPS on VMS (VAX and Alpha) systems.
• Administered Linux mail/web server and IIS/NT servers for corporate intranet.
• Administered SCO UnixWare servers used to interface with laboratory instruments.
• Represented LabCorp at the M Technology Convention in Boston, MA (1997).
• Developed web applications using HTML, MUMPS, JavaScript and other network technologies.

Work funded by research grant to single-handedly ported Automated Land Evaluation System (ALES) software, used by businesses and academic institutions.

• Preexisting software written in DOS-based InterSystems DT Mumps, ported to Windows using MS Visual Basic and InterSystems Visual/Open M.
• Designed and implemented user interface in Windows environment. Used preexisting MUMPS-based database system.
• Composed user documentation and release notes.

Primary responsibilities were to provide telephone and technical support to enterprise professionals and academic customers for major U.S. supercomputing facility.

• Hardware platforms include multi-node IBM RS/6000 clusters, IBM SP1 & SP2 supercomputers, and IBM ES9000 systems running Unix. Sun SPARCs running Solaris/SunOS as well as KSR1 supercomputer.
• Software platforms include various software applications/programmer libraries for use in scientific research including MPL, Load Leveler, MATLAB, PVM, and Data Explorer.
• Support various C, C++, and FORTRAN compilers.
• Composition of documentation & tutorials in text/HTML formats.
• Assisted students in undergraduate research program.

Primary duty is development and maintenance of Gentoo's packages.gentoo.org site, the web-based front-end to Gentoo's immense software library.

• Creator, lead developer and maintainer of the packages.gentoo.org web site, written in Python with SQL database back end.
• Use of Bugzilla to fix bugs and implement requested features.
• Provide community support for Gentoo Linux via email, Internet forums and chat rooms.
• Gentoo Linux promoter/evangelist.

Creator and original maintainer of Linbot (now known as Webcheck), a web site validation and maintenance application written in Python. Linbot has been included in such Linux distributions as Debian and Red Hat, has been featured in Linux Magazine. The source code for Linbot has been featured in the book Python Annotated Archives to illustrate various methods of solving real-world problems in Python.