John Greenfelder Email & Phone Number
Unix Systems @ TNC
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John Greenfelder Location
- Centreville, VA, US
John Greenfelder Work
- 2022 -now Unix Systems @
- 2020 -2021 System Administrator @
- 2018 -2020 Systems Administration Manager @
- 2016 -2017 Senior Cloud Engineer @
- 2011 -2017 Senior Infrastructure Administrator @
- 2006 -2011 Unix Engineer 3 @
- 2003 -2006 Senior Systems Administrator @
- 2002 -2003 Systems Administrator @
- 2000 -2001 Trainer and Consultant @
- 2000 -2001 Systems Administrator @
- 2000 -2000 Systems and Network Administrator @ Taos Mountain Consulting
- 1996 -1999 Systems Administrator @
- 1995 -1996 System Administrator @
John Greenfelder Education
- East Central University 1991-1995
John Greenfelder Summary
- John Greenfelder, based in Centreville, VA, US, is currently a Unix Systems at TNC. John Greenfelder brings experience from previous roles at Godaddy Registry, Neustar, Inc., Charter and Time Warner Cable. John Greenfelder holds a 1991 - 1995 East Central University. John Greenfelder has 2 emails and 1 mobile phone numbers on RocketReach.
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John Greenfelder
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