Found email addresses for John Barr:
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Jan 2022 - Current
Jan 2019 - Current
Mar 2020 - Jan 2022
Oct 2014 - Jan 2019
Mar 2014 - Oct 2014
Dec 2012 - Mar 2014
Apr 2009 - Aug 2012
Their professional focus is Cisco Routers, Cisco Systems Products, and Cisco Technologies across 3 core areas.
John holds Microsoft Certified: Azure Administrator Associate, Microsoft Certified: Azure Security Engineer Associate, and Azure Fundamentals certifications.
Bachelor's degree at The University of Texas at San Antonio
Associate's degree at San Antonio College
What is John Barr's email address?
SignalHire found verified email addresses for John Barr, both business and personal. Their business email is j***r@aconinvestments.com, and personal emails include j*****r@gmail.com.What is John Barr's phone number?
SignalHire found a verified phone number for John Barr: +1-***-***-8897.How do I contact John Barr at Meta?
You can reach John Barr through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.What is John Barr's professional background?
John Barr has 17 years of professional experience. They have held roles including Senior Infrastructure Engineer, Windows System Administrator / Project Lead, and Professional Field Engineer at companies such as Wells Fargo, Kraft Heinz, and JBComm. Their education includes Bachelor's degree from The University of Texas at San Antonio, and Associate's degree from San Antonio College.Is John Barr's contact information up to date?
Yes. John Barr's SignalHire profile was last updated on 28 May 2026, reflecting their current position as Senior Infrastructure Engineer at Meta in Sao Paulo, Brazil.SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
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