Mark Jefferson - Email & Phone Number

Founder & CEO at Plus3 It Systems

Mark Jefferson is based out of Washington DC-Baltimore Area and works at Plus3 It Systems as Founder & CEO.

Mark Jefferson's Contact Information

Mark Jefferson's Work email

m*****@plus3***.com

Valid

Latest update

October 30, 2025

Location

Washington DC-Baltimore Area

Mark's current employer

Plus3 It Systems

Description

WE LIVE IN THE CLOUD - We are innovative technology practitioners and experts in commercial cloud environments, delivering DevSecOps, a...

Website

plus3it.com

HQ Location

Reston, Virginia, United States

Number of employees

51-200

Industry

IT Services And IT Consulting

Latest update

April 30, 2024

Read about Plus3 It Systems

Frequent questions about Mark Jefferson

What company is Mark Jefferson working for?

Mark Jefferson works for Plus3 It Systems.

What is Mark Jefferson's function at Plus3 It Systems?

Mark Jefferson is Founder & CEO at Plus3 It Systems.

Where is Mark Jefferson based?

Mark Jefferson is based out of Washington DC-Baltimore Area.

What is Mark Jefferson's work email address?

Mark Jefferson's professional email address is m*****@plus3***.com

Who are Mark Jefferson's co-workers?

Mark Jefferson's colleagues are Brian Watson, Christopher Isaacs, David Hagan, Lars Bjerke, Justin Orr, Amanda Lopez, Josef Koza, John Garner, Michael Pastore, Joel Loyd, Loren Gordon, Amana Katora, Emma Webster, Kate Binzer, Angela Morrell, Thomas Walton, Amelia Baldree-Nichols, Tammy Campbell, Zackery Hover, Stephanie Robins, Mya Souvandara, Scott Benson.

Mark's co-workers

Cloud Automation Engineer

Justin Orr

Senior Cloud Automation Engineer

Amanda Lopez

Cloud Engineer

Josef Koza

Senior Full Stack Cloud Developer

John Garner

Cloud/Data Engineer

Michael Pastore

Senior Cloud Developer

Joel Loyd

Vice President, Cloud Services

Loren Gordon

Director Of Engineering

Amana Katora

Corporate Communication and Compliance Lead

Emma Webster

Director, Corporate Growth and Communication

Kate Binzer

Director, Program Control and Contracts

Angela Morrell

Human Resources Director

Thomas Walton

Director of Justice and Air Force Solutions

Amelia Baldree-Nichols

Facility Security Officer (FSO) and Human Resources (HR) Administrator

Tammy Campbell

Accounting & Finance Manager

Zackery Hover

Associate Program Control Analyst

Stephanie Robins

Sr Accounting Specialist

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