William Clark

William Clark: Email & Phone Number

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Senior System Security Engineer at Cognizant|Denver, Colorado, United States

Position:

Senior System Security Engineer at Cognizant

Location:

Denver, Colorado, United States

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Last updated: 2025-10-21
Updated: 2025-10-21

Found email addresses for William Clark:

Business emails:
Personal emails:
w***@aol.com,
c***@gmail.com,
w***@att.com

Found phones for William Clark:

+1-520-***-**38,
+1-480-***-**89
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Work Experience 34 years

Senior System Security Engineer at Cognizant

Dec 2018 - Current

Information Technology Security Specialist at AT&T

Nov 2016 - Jun 2018

Security Professional at DIRECTV

Jun 2015 - Nov 2016

Security Engineer at Nordstrom

Jun 2012 - Jun 2015

Network Security Engineer at HARLAND FINANCIAL SOLUTIONS

May 2011 - Jun 2012

Senior Network Security Engineer at Great-West Investments

Jan 1992 - Dec 2010

William Clark started working in 1992, then the employee has changed 5 companies and 5 jobs. On average, William Clark works for one company for 5 years 7 months.

Their professional focus is bash, Disaster Recovery, and Network Security across 3 core areas.

Frequently Asked Questions

What is William Clark's email address?

SignalHire found verified email addresses for William Clark, both business and personal. Their business email is w******c@cognizant.com, and personal emails include c***@direc.tv, w***@aol.com, and c***@gmail.com.

What is William Clark's phone number?

SignalHire found multiple verified phone numbers for William Clark: +1-520-***-**25, +1-520-***-**38, and +1-480-***-**89.

How do I contact William Clark at Cognizant?

You can reach William Clark 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 William Clark's professional background?

William Clark has 34 years of professional experience. They have held roles including Information Technology Security Specialist, Security Professional, and Security Engineer at companies such as AT&T, DIRECTV, and Nordstrom.

Is William Clark's contact information up to date?

Yes. William Clark's SignalHire profile was last updated on 21 October 2025, reflecting their current position as Senior System Security Engineer at Cognizant in Teaneck, New Jersey, United States.

William Clark Namesakes

Name
Company
Position
William Clark
Infleqtion
Vice President of Business Development
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William Clark
Teaching Assistant
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William Clark
Branch Manager
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