Mark Thomas: Email & Phone Number

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Senior Detection Engineer at Comcast|Philadelphia, Pennsylvania, United States

Position:

Senior Detection Engineer at Comcast

Location:

Philadelphia, Pennsylvania, United States

View Mark Thomas's Email

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Last updated: 2026-07-26

Updated: 2026-07-26

Found email addresses for Mark Thomas:

Business emails:

t****k@corporate.comcast.com

Personal emails:

t***@hotmail.com,

t***@corporate.comcast.com,

t***@spx.com,

t***@gmail.com

Found phone for Mark Thomas:

+1-323-***-**28

A different Mark Thomas?

Work Experience 33 years

Senior Detection Engineer at Comcast

Aug 2022 - Current

Senior Threat Hunter at Comcast

Aug 2017 - Aug 2022

Solutions Architect / Sr. Infrastructure Engineer at Comcast

Aug 2008 - Aug 2017

Sr. Systems Architect at SPX Technologies

Sep 2007 - Sep 2008

Sr. Systems Architect at Susquehanna International Group

Sep 2006 - Sep 2007

Sr. Systems Architect at Berkley Technology Services

Oct 2003 - Oct 2006

· Sr. Systems Engineer at Friess Associates

Jun 2001 - Jun 2002

· Sr. Systems Engineer at DuPont

Apr 2000 - Apr 2001

Systems Engineer at DuPont

Jan 1996 - Feb 1999

Technical Team Leader at Compucom Systems

May 1993 - Mar 1996

Mark Thomas started working in 1993, then the employee has changed 6 companies and 6 jobs. On average, Mark Thomas works for one company for 3 years 1 month.

Their professional focus is Active Directory, Agentic AI, and AI Automation across 3 core areas.

Mark holds Certified Information Systems Security Professional (CISSP) and GIAC Security Essentials Certification (GSEC) certifications.

Education

Associate's Degree at Lincoln Tech

Frequently Asked Questions

What is Mark Thomas's email address?

SignalHire found verified email addresses for Mark Thomas, both business and personal. Their business email is t****k@corporate.comcast.com, and personal emails include t***@hotmail.com, t***@corporate.comcast.com, and t***@spx.com.

What is Mark Thomas's phone number?

SignalHire found a verified phone number for Mark Thomas: +1-323-***-**28.

How do I contact Mark Thomas at Comcast?

You can reach Mark Thomas 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 Thomas's professional background?

Mark Thomas has 33 years of professional experience. They have held roles including Senior Threat Hunter, Solutions Architect / Sr. Infrastructure Engineer, and Sr. Systems Architect at companies such as Comcast, Comcast, and SPX Technologies. Their education includes Associate's Degree from Lincoln Tech.

Is Mark Thomas's contact information up to date?

Yes. Mark Thomas's SignalHire profile was last updated on 26 July 2026, reflecting their current position as Senior Detection Engineer at Comcast in Philadelphia, PA, United States.

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