“I worked with Dennis when he was just starting out in the technology and telecommunications industry. His enthusiasm and motivation to succeed are very memorable traits.”
Dennis Hartmann
Hopewell Junction, New York, United States
3K followers
500+ connections
About
Dennis is an IT contractor
SME: CCIE #15651 (Routing & Switching), Cisco…
Activity
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Reflecting on 10 Years at Presidio This summer marks 10 years at Presidio where I've grown from placing phones to architecting cloud solutions to…
Reflecting on 10 Years at Presidio This summer marks 10 years at Presidio where I've grown from placing phones to architecting cloud solutions to…
Liked by Dennis Hartmann
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Spent the day at Pocono Raceway with customers, friends, coworkers, and my daughter! I get the irony since I’m posting about it but take time to…
Spent the day at Pocono Raceway with customers, friends, coworkers, and my daughter! I get the irony since I’m posting about it but take time to…
Liked by Dennis Hartmann
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If you haven't been following, Microsoft Security made some pretty big announcements today. Both the Microsoft Entra Suite and Microsoft Security…
If you haven't been following, Microsoft Security made some pretty big announcements today. Both the Microsoft Entra Suite and Microsoft Security…
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Experience
Education
Licenses & Certifications
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CCIE # 15651
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Publications
Recommendations received
6 people have recommended Dennis
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I am honored and humbled to receive the 'Presidio Culture Award' for displaying "Teamwork, Execution Excellence, Integrity, and Forward Thinking"!…
I am honored and humbled to receive the 'Presidio Culture Award' for displaying "Teamwork, Execution Excellence, Integrity, and Forward Thinking"!…
Liked by Dennis Hartmann
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Just made my first patch cable in 20 years at #CiscoLive! @CiscoNetworking !
Just made my first patch cable in 20 years at #CiscoLive! @CiscoNetworking !
Liked by Dennis Hartmann
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Great time with the New England and Connecticut Solution Architect team participating in a Habitat for Humanity build. The team helped frame a new…
Great time with the New England and Connecticut Solution Architect team participating in a Habitat for Humanity build. The team helped frame a new…
Liked by Dennis Hartmann
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