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Greg Rubio's work experience is as follows:

1. IT Manager at Carbon Energy Corporation starting from November 2017 (present role).

2. Application Support Analyst at Waypoint Technology Solutions (Jonah Energy) from May 2015 to June 2017.

3. Technical Applications Analyst at Samson Resource from February 2012 to March 2015.

4. Technical Solutions Analyst at Enerplus from March 2008 to January 2012.

5. Technical Support at Encana from December 2004 to February 2008.

6. Systems Administrator at ITT Cannon from February 2000 to August 2004, with responsibilities involving server administration, technical support, wireless configuration, PBX administration, ERP system maintenance, and hardware/software evaluation.

Greg Rubio's education history includes a Bachelor of Business degree in Information Systems from the University of Phoenix, which they obtained from 1996 to 1998. Prior to that, they earned an Associates of Applied Science degree in Computer Programming from El Paso Community College between 1987 and 1990. In addition to their formal education, Greg also holds several certifications including A+ Certified, ITIL Certified, MCP Certified, and Net + Certified. However, specific information about the institutions or dates of obtaining these certifications is not provided.