Mark Barrera

Mark Barrera: Email & Phone Number

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Information System Security Officer at Karthik Consulting|Woodbridge, Virginia, United States

Position:

Information System Security Officer at Karthik Consulting

Location:

Woodbridge, Virginia, United States

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Last updated: 2026-03-24
Updated: 2026-03-24

Found email addresses for Mark Barrera:

Business emails:
Personal emails:
b***@gdit.com,
b***@agiledefense.com,
b***@gmail.com

Found phones for Mark Barrera:

+1-323-***-**23
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Work Experience 18 years

Information System Security Officer at Karthik Consulting

Nov 2022 - Current

System Administrator | Tier III Support Team Lead at Agile Defense

Mar 2019 - Nov 2022

System Administrator (Tier II Support) at Agile Defense

Mar 2015 - Mar 2019

Senior Network Technician at General Dynamics Information Technology

Mar 2008 - Apr 2012

Mark Barrera started working in 2008, then the employee has changed 3 companies and 3 jobs. On average, Mark Barrera works for one company for 3 years 10 months.

Their professional focus is Customer Service Management, Cybersecurity, and Documentation across 3 core areas.

Frequently Asked Questions

What is Mark Barrera's email address?

SignalHire found verified email addresses for Mark Barrera, both business and personal. Their business email is m*******a@karthikconsulting.com, and personal emails include b***@yahoo.com, b***@gdit.com, and b***@agiledefense.com.

What is Mark Barrera's phone number?

SignalHire found multiple verified phone numbers for Mark Barrera: +1-205-***-**23, and +1-323-***-**23.

How do I contact Mark Barrera at Karthik Consulting?

You can reach Mark Barrera 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 Mark Barrera's professional background?

Mark Barrera has 18 years of professional experience. They have held roles including System Administrator | Tier III Support Team Lead, System Administrator (Tier II Support), and Senior Network Technician at companies such as Agile Defense, Agile Defense, and General Dynamics Information Technology.

Is Mark Barrera's contact information up to date?

Yes. Mark Barrera's SignalHire profile was last updated on 24 March 2026, reflecting their current position as Information System Security Officer at Karthik Consulting in Falls Church, Virginia, United States.

Mark Barrera Namesakes

Name
Company
Position
Mark Anthony Barrera
Cement Mason
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