Mark Johnson: Email & Phone Number

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Engineer III, Nuclear (Radiation Shielding) at X-energy|Rockville, Maryland, United States

Position:

Engineer III, Nuclear (Radiation Shielding) at X-energy

Location:

Rockville, Maryland, United States

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Last updated: 2026-05-19

Updated: 2026-05-19

Found email addresses for Mark Johnson:

Business emails:

m**********n@shinesolutions.com

Personal emails:

m***************g@gmail.com

Found phones for Mark Johnson:

+1-480-***-**60,

+1-480-***-**34,

+1-323-***-**92

A different Mark Johnson?

Work Experience 11 years

Engineer III, Nuclear (Radiation Shielding) at X-energy

Jul 2025 - Current

Analyst II, Nuclear Shielding at X-energy

Sep 2023 - Jul 2025

Nuclear Engineer at SHINE Technologies

Mar 2021 - Aug 2023

Radiation Technician at PERMA-FIX OF FLORIDA, INC.

Jun 2020 - Mar 2021

Autocad Designer at Formica & Associates Consulting Engineers

Jun 2018 - Aug 2018

Autocad Drafter at Formica & Associates Consulting Engineers

Sep 2015 - Jun 2016

Mark Johnson started working in 2015, then the employee has changed 3 companies and 5 jobs. On average, Mark Johnson works for one company for 1 year 2 months.

Their professional focus is ADVANTG, AutoCAD, and MATLAB across 3 core areas.

Education

Bachelor's degree at University of Florida

Frequently Asked Questions

What is Mark Johnson's email address?

SignalHire found verified email addresses for Mark Johnson, both business and personal. Their business email is m**********n@shinesolutions.com, and personal emails include m***************g@gmail.com.

What is Mark Johnson's phone number?

SignalHire found multiple verified phone numbers for Mark Johnson: +1-480-***-**60, +1-480-***-**34, and +1-323-***-**92.

How do I contact Mark Johnson at X-energy?

You can reach Mark Johnson 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 Johnson's professional background?

Mark Johnson has 11 years of professional experience. They have held roles including Analyst II, Nuclear Shielding, Nuclear Engineer, and Radiation Technician at companies such as X-energy, SHINE Technologies, and PERMA-FIX OF FLORIDA, INC.. Their education includes Bachelor's degree from University of Florida.

Is Mark Johnson's contact information up to date?

Yes. Mark Johnson's SignalHire profile was last updated on 19 May 2026, reflecting their current position as Engineer III, Nuclear (Radiation Shielding) at X-energy in Rockville, MD, United States.

Mark Johnson Namesakes

Name

Company

Position

Mark Johnson

oneAlpha

Cofounder / CTO

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Mark Johnson

MARK JOHNSON & ASSOCIATES

President

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Mark Johnson

Highgate

Director of Engineering

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Other employees at X-energy

Name

Company

Position

Souhail Daoued

X-energy

Chief Executive Officer

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Michael Kvartunas

X-energy

Procurement Engineer

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Johnathan Jones

X-energy

Training Specialist- Plant Field Technician

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Morgan Saenz

X-energy

Financial Analyst

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Miguel Munoz

X-energy

Instructional Designer

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Allenna Mauge

X-energy

Procurement Engineer

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Luke Field

X-energy

Mechanical Engineer

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Jimmy Yates

X-energy

Project Controls Engineer

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Ben Pavlat

X-energy

Nuclear Engineer

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Armand

X-energy

Software Engineer | Engineer I

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