David OBrien's
email & phone

Current Position:

System Administrator at D2 Consulting

Experience:

29 years

Location:

Manassas, Virginia, United States

How to contact David OBrien

d*****o@d2consulting.com

+1-***-***-3336

Work Experience

System Administrator at D2 Consulting

Jul 2023 - Current

Windows SME at 22nd Century Technologies Inc.

Feb 2022 - Feb 2024

Cyber Security Consultant (Remote) at Baron Enterprises LLC. / Boral North America

Sep 2021 - Dec 2021

System Administrator at ECS Tech.

Jun 2019 - Jul 2021

Senior Cyber Security Engineer at ManTech International Corporation, Health and Life Sciences - Defense Health Agency SPORTS Contract:

Nov 2017 - Apr 2019

Senior Cyber Security Engineer at Mantech - Virtual VA IT Campus

Dec 2018 - Mar 2019

Senior Cyber Security Engineer at ManTech International Corporation - Mission, Cyber & Intelligence Solutions Group

Jul 2016 - Nov 2017

Service Delivery Manager at Accenture Federal Systems

Jan 2015 - Feb 2016

Information Security Engineer II at Chenega Technical Innovations

Sep 2013 - Sep 2014

Computer Systems Analyst at Chenega Technical Innovations

Sep 2012 - Sep 2013

Systems Engineer at AC4S

Aug 2010 - Sep 2012

Customer Network Engineer at L-3 Communications Integrated Systems

Jun 2005 - Aug 2010

Lan / Wan Specialist II at Raytheon Intelligence and Information Systems

Jan 2000 - Jan 2005

System Admin at G.R.C.I

Jan 1996 - Jan 2000

David OBrien started working in 1996, then the employee has changed 12 companies and 10 jobs. On average, David OBrien works for one company for 2 years 1 month.

Education

George C Marshall

Current Company Information D2 Consulting

Name: D2 Consulting

Location: Arlington, VA, United States

Employees: 10-50

Description: D2 Consulting provides cyber security, software development, systems engineering, enterprise operations, data analytics and visualization, and cloud engineering services. Their con...

Frequently Asked Questions

What is David OBrien's minimum period of employment in the companies?

David OBrien's minimum period of employment in various companies is 3 months.

What is David OBrien's average duration of employment for different companies?

On average, David OBrien works for one company for 2 years 1 month

What industries has David OBrien worked in?

David OBrien works in the Information Technology and Services.

What positions has David OBrien held before?

Previously, David OBrien worked as a Windows SME, and Cyber Security Consultant (Remote), and System Administrator, and Senior Cyber Security Engineer, and Service Delivery Manager.

How do I contact David OBrien?

David OBrien's email address is d*****o@d2consulting.com, phone number is +1-***-***-3336. Sign up to get contact details.

Who are David OBrien's peers at other companies?

David OBrien's peers at other companies are Husni Mashoor and Saket Mohakar and William Brittain

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David OBrien Namesakes

Name

Company

Position

David OBrien

Live Media Group, LLC

EIC

David OBrien's email & phone