John Geffre: Email & Phone Number

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Cyber Security Intern at L3Harris Technologies|Dallas-Fort Worth Metroplex, United States

Position:

Cyber Security Intern at L3Harris Technologies

Location:

Dallas-Fort Worth Metroplex, United States

View John Geffre's Email

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Last updated: 2026-07-05

Updated: 2026-07-05

Found email addresses for John Geffre:

Business emails:

g**@l3harris.com

Personal emails:

j***@hotmail.com,

g***@aol.com,

j***@ou.edu

Found phones for John Geffre:

+1-870-***-**20,

+1-520-***-**15,

+1-520-***-**74

A different John Geffre?

Work Experience 3 years

Cyber Security Intern at L3Harris Technologies

Jun 2026 - Current

Security Operations Intern at American Fidelity

Jan 2026 - May 2026

IT Cyber Security Analyst Intern at NextEra Energy, Inc.

May 2025 - Aug 2025

Co-Op Nuclear Cyber Security at Evergy

Jan 2024 - Aug 2024

Fit+Rec Facility Attendant at University of Oklahoma

May 2023 - Dec 2023

John Geffre started working in 2023, then the employee has changed 4 companies and 4 jobs. On average, John Geffre works for one company for 4 months.

Their professional focus is C#, Communication, and Computer-Aided Design (CAD) across 3 core areas.

John holds CompTIA Security+ certifications and has been awarded AP Scholar, Dean's Honor Roll, and President's Honor Roll

Education

Bachelor of Business Administration - BBA at University of Oklahoma

Master of Science - MS at Fairleigh Dickinson University

Frequently Asked Questions

What is John Geffre's email address?

SignalHire found verified email addresses for John Geffre, both business and personal. Their business email is g**@l3harris.com, and personal emails include j***@hotmail.com, g***@aol.com, and j***@ou.edu.

What is John Geffre's phone number?

SignalHire found multiple verified phone numbers for John Geffre: +1-870-***-**20, +1-520-***-**15, and +1-520-***-**74.

How do I contact John Geffre at L3Harris Technologies?

You can reach John Geffre 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 John Geffre's professional background?

John Geffre has 3 years of professional experience. They have held roles including Security Operations Intern, IT Cyber Security Analyst Intern, and Co-Op Nuclear Cyber Security at companies such as American Fidelity, NextEra Energy, Inc., and Evergy. Their education includes Bachelor of Business Administration - BBA from University of Oklahoma, and Master of Science - MS from Fairleigh Dickinson University.

Is John Geffre's contact information up to date?

Yes. John Geffre's SignalHire profile was last updated on 5 July 2026, reflecting their current position as Cyber Security Intern at L3Harris Technologies in Melbourne, Florida, United States.

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