David O'Brien
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David O'Brien Email & Phone Number

Director of Implementation at ESI Hosted Services (ESI)
Location: Mckinney, Texas, United States 5 work roles
1 work email found @esi-estech.com LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email d****@esi-estech.com
LinkedIn Profile matched
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Current company
ESI Hosted Services (ESI)
Role
Director of Implementation
Location
Mckinney, Texas, United States
Company size
121 employees

Who is David O'Brien? Overview

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Quick answer

David O'Brien is listed as Director of Implementation at ESI Hosted Services (ESI), a company with 121 employees, based in Mckinney, Texas, United States. AeroLeads shows a work email signal at esi-estech.com and a matched LinkedIn profile for David O'Brien.

David O'Brien previously worked as Director of Implementation at Estech Systems, Inc. (Esi) and Implementation Manager at Esi Hosted Services (Esi).

Company email context

Email format at ESI Hosted Services (ESI)

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{first_initial}{last}@esi-estech.com
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AeroLeads found 1 current-domain work email signal for David O'Brien. Compare company email patterns before reaching out.

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Profile bio

About David O'Brien

David O'Brien is a Director of Implementation at ESI Hosted Services (ESI). He possess expertise in telecommunications, voip, ip, sip, tcp/ip and 6 more skills. Colleagues describe him as "David is one of the most dedicated, hard working people I have ever had the pleasure of working with. He is well respected by everyone and and never stops until the job is done. A true workaholic that leads by example for his team. I wish we had 10 more guy's just like him! "

Listed skills include Telecommunications, Voip, Ip, Sip, and 7 others.

Current workplace

David O'Brien's current company

Company context helps verify the profile and gives searchers a useful next step.

ESI Hosted Services (ESI)
Esi Hosted Services (Esi)
Director of Implementation
plano, texas, united states
Website
esi-estech.com
Employees
121
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Company profile
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5 roles

David O'Brien work experience

A career timeline built from the work history available for this profile.

Provisioning Eng

Esi Hosted Services (Esi)

Plano, Texas

Responsible for the design, installation, and maintenance of circuits and the provisioning of parts or supplies as needed. Monitors orders placed and received for completeness and accuracy

Apr 2013 - Jan 2016
Team & coworkers

Colleagues at ESI Hosted Services (ESI)

Other employees you can reach at esi-estech.com. View company contacts for 121 employees →

SB Sarah Baker Sarah Baker Colleague at Esi Hosted Services (Esi) Dallas-Fort Worth Metroplex, United States View → ZT Zachary Tarter Zachary Tarter Colleague at Esi Hosted Services (Esi) Fort Worth, Texas, United States, United States View → TB Tyler Brewer Tyler Brewer Colleague at Esi Hosted Services (Esi) Dallas-Fort Worth Metroplex, United States View → BA Beth Adjutant Beth Adjutant Colleague at Esi Hosted Services (Esi) Greater Savannah Area, United States View → ST Steve Thornton Steve Thornton Colleague at Esi Hosted Services (Esi) Allen, Texas, United States, United States View → CW Christopher Willis Christopher Willis Colleague at Esi Hosted Services (Esi) Plano, Texas, United States, United States View → ES Estech Systems, Inc. (Esi) Estech Systems, Inc. (Esi) Colleague at Esi Hosted Services (Esi) Plano, Texas, United States, United States View → BH Bill Hall Bill Hall Colleague at Esi Hosted Services (Esi) Plano, Texas, United States, United States View → RB Reed Burton Reed Burton Colleague at Esi Hosted Services (Esi) Dallas-Fort Worth Metroplex, United States View → CC Curtis Croker Curtis Croker Colleague at Esi Hosted Services (Esi) Dallas-Fort Worth Metroplex, United States View →
FAQ

Frequently asked questions about David O'Brien

Quick answers generated from the profile data available on this page.

What company does David O'Brien work for?

David O'Brien works for ESI Hosted Services (ESI).

What is David O'Brien's role at ESI Hosted Services (ESI)?

David O'Brien is listed as Director of Implementation at ESI Hosted Services (ESI).

What is David O'Brien's email address?

AeroLeads has found 1 work email signal at @esi-estech.com for David O'Brien at ESI Hosted Services (ESI).

Where is David O'Brien based?

David O'Brien is based in Mckinney, Texas, United States while working with ESI Hosted Services (ESI).

What companies has David O'Brien worked for?

David O'Brien has worked for Estech Systems, Inc. (Esi) and Esi Hosted Services (Esi).

Who are David O'Brien's colleagues at ESI Hosted Services (ESI)?

David O'Brien's colleagues at ESI Hosted Services (ESI) include Sarah Baker, Zachary Tarter, Tyler Brewer, Beth Adjutant, and Steve Thornton.

How can I contact David O'Brien?

You can use AeroLeads to view verified contact signals for David O'Brien at ESI Hosted Services (ESI), including work email, phone, and LinkedIn data when available.

What skills is David O'Brien known for?

David O'Brien is listed with skills including Telecommunications, Voip, Ip, Sip, Tcp/Ip, Networking, Provisioning, and Network Design.

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