Jason Sumner: Email & Phone Number

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Technical Director at kfivefour|Huntsville, Alabama, United States

Position:

Technical Director at kfivefour

Location:

Huntsville, Alabama, United States

View Jason Sumner's Email

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Last updated: 2026-07-20

Updated: 2026-07-20

Found email addresses for Jason Sumner:

Business emails:

c*****t@5eyes.net,

j*****r@colsa.com,

j*****r@nciinc.com

Personal emails:

j**********r@hotmail.com,

j**********r@gmail.com

Found phone for Jason Sumner:

+1-***-***-1018

A different Jason Sumner?

Work Experience 18 years

Technical Director at kfivefour

Feb 2025 - Current

Integrated Operations Office Chief and SDA Project Manager (GS-2210-15) at NASA - National Aeronautics and Space Administration

Mar 2023 - Feb 2025

TSMO Lead Red Team Infrastructure Technical Manager and P-ISSM for Threat Systems (GS-14-2210) at US Army

Jan 2021 - Mar 2023

Senior Network Engineer at COLSA

Oct 2016 - Jan 2021

Cyber Engineer at General Dynamics Mission Systems

Feb 2014 - Oct 2016

Network Engineer at NCI Information Systems, Inc

Nov 2009 - Feb 2014

Network Support Technician at Atlantic.Net Inc.

Dec 2008 - Nov 2009

Jason Sumner started working in 2008, then the employee has changed 6 companies and 6 jobs. On average, Jason Sumner works for one company for 2 years 6 months.

Their professional focus is Active Directory, Cisco Technologies, and Data Center across 3 core areas.

Jason holds Red Team Apprentice Certified (RTAC), CEH, and CISSP certifications.

Education

Master's Degree at Webster University

BS at University of Central Florida

AS at Daytona State College

High School Diploma at Mainland High School

Jason Sumner Namesakes

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Jason Sumner

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Jason Sumner

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