Mark OBrien: Email & Phone Number

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RAN Design Engineer at Vodafone|Lake Mary, Florida, United States

Position:

RAN Design Engineer at Vodafone

Location:

Lake Mary, Florida, United States

View Mark OBrien's Email

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Last updated: 2026-06-16

Updated: 2026-06-16

Found email addresses for Mark OBrien:

Business emails:

m**k@energy365.ie,

m*********n@ericsson.com,

o****n@ericsson.com

Personal emails:

m*****n@att.com,

m*********n@att.com,

m********0@gmail.com

Found phones for Mark OBrien:

+1-520-***-**52,

+1-323-***-**32,

+1-870-***-**24,

+1-323-***-**25

A different Mark OBrien?

Work Experience 26 years

RAN Design Engineer at Vodafone

Jan 2020 - Current

RAN/RF Engineer at AT&T

Jul 2012 - Current

UTRAN Engineer at Ericsson

Oct 2006 - Mar 2012

RAN Engineer at Ericsson Ireland

Jul 2000 - Sep 2006

Mark OBrien started working in 2000, then the employee has changed 3 companies and 3 jobs. On average, Mark OBrien works for one company for 8 years.

Their professional focus is 3G, 4G, and 5G across 3 core areas.

Mark holds Artificial Intelligence Essentials V2 certifications.

Education

Bachelor's degree in Electronic Engineering at Dublin Institute of Technology

Frequently Asked Questions

What is Mark OBrien's email address?

SignalHire found verified email addresses for Mark OBrien, both business and personal. Their business email is m**k@energy365.ie, and personal emails include m*****n@att.com, m*********n@att.com, and m********0@gmail.com.

What is Mark OBrien's phone number?

SignalHire found multiple verified phone numbers for Mark OBrien: +1-520-***-**52, +1-323-***-**32, and +1-870-***-**24.

How do I contact Mark OBrien at Vodafone?

You can reach Mark OBrien 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 OBrien's professional background?

Mark OBrien has 26 years of professional experience. They have held roles including RAN/RF Engineer, UTRAN Engineer, and RAN Engineer at companies such as AT&T, Ericsson, and Ericsson Ireland. Their education includes Bachelor's degree in Electronic Engineering from Dublin Institute of Technology.

Is Mark OBrien's contact information up to date?

Yes. Mark OBrien's SignalHire profile was last updated on 16 June 2026, reflecting their current position as RAN Design Engineer at Vodafone in London, United Kingdom.

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