PORTFOLIO

CUSTOMERS & PROJECTS

Everyone says, "follow the cook, not the restaurant" ... The waitress may be friendly, or the business owner suave, but the cook made that excellent food.

At TOCICI, the customer always comes first, and 15 years of history proves a solid pattern of positive relationships, strong businesses, and above-all, TOCICI has proven that the customer does in-fact matter; the customer always comes first.

Forget the marketing, history speaks for itself.

    Major Roles:

  • Overseen four organizational mergers & acquisitions
  • 24/7 infrastructure-level on-call support for international corporations, for over a decade
  • Oversaw management of a network supporting over 300 daily imagess (employees), for over seven years

    Built, secure(d) and manage(d):

  • Thin-terminal (LTSP) systems for K-12 and small-to-medium sized private businesses.
  • Asterisk VoIP PBX systems combining Analog/POTS, T1 and SIP/IAX2 circuits.
  • Multi-tiered enterprise-level backups; largest environment had over 30TB
  • Zimbra installations, including multiple migrations and upgrades.

    Designed, Implemented and/or Audited:

  • Highly-customized enterprise anti-spam systems; one system processed over 22,000 messages/day
  • Two, 50-node, hot/hot datacenters to meet 99.999% service availability needs.
  • System-wide centralized backup; largest system managed over 30TB
  • Centralized enterprise configuration engines; ZENWorks & Puppet
  • Systems monitoring engines and business procedures
  • Templated system configurations/builds
  • On-call processes and procedures
  • Standardized naming schemes
  • IT security policies

    Migrated Services From:

  • Private T1s to mesh VPNs
  • GroupWise to Cyrus IMAP & Zimbra
  • Novell NetWare (NCP) to Samba/SMB file servers
  • Analog/POTS and T1 based Voice services to 100% VoIP

Testimonials

"...a highly qualified system administrator with a great deal of experience managing complex server infrastructures...received high marks from several of our clients..."
- Brian Jamison, CEO, OpenSourcery LLC (2009)

"...excellent to work with...implementations have been solution based and always with efficiency in mind, both in terms of project completion and long term use...projects have always been completed in a timely manner...has been a great problem solver and has helped us to invent many out of the box solutions to many difficult projects..."
- Evan Geer, Technologies Administrator, Portland Oregon-based Charter School (2009)

"...We have had an opportunity to engage Gregg Berkholtz on numerous occasions and continue to utilize his skill set to manage the Linux components of out network environment. Gregg has always been polite, professional and exceptionally conscientious in his work. He has earned the complete trust of the staff at NIS I would not hesitate to use him for projects involving the highest levels of security and confidentiality. His "can do" attitude and prompt response have earned him a permanent place on our roster of qualified professional..."
- Glenn Sexton, President & CEO, Northwest Information Services (2009)

"...a skilled technical professional to whom I give the strongest recommendation..."
- Miles Hochstein, Product Architect at Omnimedix Institute (2008)

"...able to bring substantial technical knowledge to bear on deciding on programs for group members..."
- Ed Sawicki, President, Accelerated Learning Center (2008)

"...one of the most talented individuals I have ever had the chance to work with. Gregg's work ethic, depth and breadth of knowledge and skills, as well as his ability to see any task beyond its boundaries are absolutely amazing I had the pleasure of working with Gregg in my first post-College job. After working with Gregg for a number of years, I can definitely say he has influenced me more than any college class ever could. Gregg's Linux administration, network engineering, system design, documentation, and adherence to industry/technological standards are second to none. You can be sure that if Gregg is working on a project, it will be completed correctly, properly, and with the highest level of reliability. Gregg is an amazing resource to have in any business environment. I cannot recommend Gregg enough!"
- Bill Hill, System Administrator, The Yoshida Group (2007)

"...detail oriented...early adopter and supporter of Linux and helped us provide open source solutions that saved the company quite a bit of money, while still delivering expected services...to his credit, we never had any service outages due to viruses, trojan horses, worms or DOS attacks..."
- Boyd Campbell, Senior Manager, The Yoshida Group (2007)

"...consistently professional and extremely knowledgeable in his field. Our interactions gave me the opportunity to witness his skills as a very efficient problem solver and dependable information technology administrator..."
- Matt Crouch, Supervisor of Global Services, OIA Global Logistics (2007)

"...His ability to adapt and learn makes him seem like he is never stuck on a problem..."
- Grant Koeneke, Sr. DBA/Architect, Banfield Pet Hospitals (2006)