John Leo: Email & Phone Number

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Designer / Commercial at ADT|San Diego, California, United States

Position:

Designer / Commercial at ADT

Location:

San Diego, California, United States

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Last updated: 2026-06-13

Updated: 2026-06-13

Found email addresses for John Leo:

Business emails:

j**o@hcisystems.net

Found phone for John Leo:

+1-***-***-7717

A different John Leo?

Work Experience 31 years

Designer / Commercial at ADT

Jun 2023 - Current

Alarm & Detection Designer at COSCO Fire Protection

Mar 2020 - Jan 2024

Systems Designer at HCI Systems, Inc

May 2015 - Jan 2020

Telecommunications CAD Drafter at Mitchell J Architecture, Inc.

Jan 2014 - Apr 2015

CAD Fiber/RF Drafter at Cox Communications

Mar 2006 - Apr 2012

Audio/Video CAD Drafter at Audio Associates of San Diego

Dec 2005 - Feb 2006

HVAC CAD Drafter at Delta T Solutions

Jul 2005 - Nov 2005

CAD Drafter at Maisel-Presley, Inc

Jan 2005 - Jun 2005

CAD Drafter at Construction Electronics Inc

Dec 2003 - Mar 2004

CAD Drafter at Boston Scientific Corp

Dec 1997 - Apr 2000

CAD Drafter at Boston Scientific

Jan 1997 - Jan 2000

CAD Drafter at 3Com Corp

Feb 1997 - Dec 1997

CAD Drafter at Harmonic Lightwaves, Inc

Oct 1996 - Feb 1997

CAD Drafter at K*Tec Electronics

May 1995 - Sep 1996

John Leo started working in 1995, then the employee has changed 13 companies and 7 jobs. On average, John Leo works for one company for 2 years.

Their professional focus is Architectural Drawings, Architecture, and AutoCAD across 3 core areas.

Education

Architectural at Wake Technical Community College

Associates of Applied Science (A.A.S at Mohawk Valley Community College

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