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David Sullivan Email & Phone Number

System Administration Manager and Linux Team at Y-12 National Security Complex
Location: Oak Ridge, Tennessee, United States 11 work roles 3 schools
3 work emails found @saic.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 3 work emails

Work email d****@saic.com
LinkedIn Profile matched
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Current company
Y-12 National Security Complex
Role
System Administration Manager and Linux Team
Location
Oak Ridge, Tennessee, United States
Company size
2078 employees

Who is David Sullivan? Overview

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Quick answer

David Sullivan is listed as System Administration Manager and Linux Team at Y-12 National Security Complex, a company with 2078 employees, based in Oak Ridge, Tennessee, United States. AeroLeads shows a work email signal at saic.com and a matched LinkedIn profile for David Sullivan.

David Sullivan previously worked as System Administration Manager / Linux Team at Y-12 National Security Complex and Senior Systems Administrator, Team Lead at Consolidated Nuclear Security, Llc. David Sullivan holds Computer Science from Pellissippi State Technical Community College.

Company email context

Email format at Y-12 National Security Complex

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{first_initial}{last}@saic.com
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AeroLeads found 3 current-domain work email signals for David Sullivan. Compare company email patterns before reaching out.

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Profile bio

About David Sullivan

I am a senior level Systems Administrator with CNS, LLC and have over 20 years of experience in Information Technology in the areas of Systems Administration and Security. I have an extensive background in UNIX/Linux environments, in both small and large implementations, and currently hold several professional certifications including Red Hat’s RHCE and RHCSA, Comptia Security + Certified Professional, Sun Microsystem’s SCSA, SCNA, and SCSECA.

Listed skills include System Administration, Servers, Itil, Disaster Recovery, and 45 others.

Current workplace

David Sullivan's current company

Company context helps verify the profile and gives searchers a useful next step.

Y-12 National Security Complex
Y-12 National Security Complex
System Administration Manager and Linux Team
Oak Ridge, TN, US
Website
doe.gov
Employees
2078
AeroLeads page
Company profile
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11 roles · 31 years

David Sullivan work experience

A career timeline built from the work history available for this profile.

Senior Systems Administrator, Team Lead

Consolidated Nuclear Security, Llc

Oak Ridge, Tennessee

Jan 2019 - Aug 2024

Principal Systems Administrator, Service Line Team Lead

Saic

Oak Ridge, TN

May 2015 - Jan 2019

Sr. Systems Administrator

Saic

Oak Ridge, TN

Mar 2008 - May 2015

Systems Administrator Vi

Saic

Oak Ridge, TN

Feb 2007 - Mar 2008

Systems Administrator V

Saic

Oak Ridge, TN

Nov 2005 - Feb 2007

Sr. Systems Administrator

Tek Systems

Oak Ridge, TN

Subcontracted to SAIC

Apr 2005 - Nov 2005

Network Security Engineer

Us Cellular

Knoxville, TN

1995 - 2003 ~8 yrs
Team & coworkers

Colleagues at Y-12 National Security Complex

Other employees you can reach at doe.gov. View company contacts for 2078 employees →

CA Christopher Altman Christopher Altman Colleague at Y-12 National Security Complex Knoxville Metropolitan Area, United States View → PY Phuc Yu Phuc Yu Colleague at Y-12 National Security Complex Greater Sydney Area, Australia View → DH Diana Hundley Diana Hundley Colleague at Y-12 National Security Complex Knoxville Metropolitan Area, United States View → KS Kevin Shipp Kevin Shipp Colleague at Y-12 National Security Complex Knoxville, Tennessee, United States, United States View → DR Dana Rupert Dana Rupert Colleague at Y-12 National Security Complex Knoxville Metropolitan Area, United States View → JR Jonathan Ryan Jonathan Ryan Colleague at Y-12 National Security Complex Knoxville, Tennessee, United States, United States View → JJ Jeremy Johnson Jeremy Johnson Colleague at Y-12 National Security Complex Knoxville Metropolitan Area, United States View → JL John Leckey John Leckey Colleague at Y-12 National Security Complex Knoxville, Tennessee, United States, United States View → TE Timothy Edgemon Timothy Edgemon Colleague at Y-12 National Security Complex Knoxville, Tennessee, United States, United States View → GH Gerrit Hale Gerrit Hale Colleague at Y-12 National Security Complex Nashville Metropolitan Area, United States View →
3 education records

David Sullivan education

Computer Science

Pellissippi State Technical Community College

Education record

Oak Ridge High School
FAQ

Frequently asked questions about David Sullivan

Quick answers generated from the profile data available on this page.

What company does David Sullivan work for?

David Sullivan works for Y-12 National Security Complex.

What is David Sullivan's role at Y-12 National Security Complex?

David Sullivan is listed as System Administration Manager and Linux Team at Y-12 National Security Complex.

What is David Sullivan's email address?

AeroLeads has found 3 work email signals at @saic.com for David Sullivan at Y-12 National Security Complex.

Where is David Sullivan based?

David Sullivan is based in Oak Ridge, Tennessee, United States while working with Y-12 National Security Complex.

What companies has David Sullivan worked for?

David Sullivan has worked for Y-12 National Security Complex, Consolidated Nuclear Security, Llc, Saic, Tek Systems, and Grapevine Solutions.

Who are David Sullivan's colleagues at Y-12 National Security Complex?

David Sullivan's colleagues at Y-12 National Security Complex include Christopher Altman, Phuc Yu, Diana Hundley, Kevin Shipp, and Dana Rupert.

How can I contact David Sullivan?

You can use AeroLeads to view verified contact signals for David Sullivan at Y-12 National Security Complex, including work email, phone, and LinkedIn data when available.

What schools did David Sullivan attend?

David Sullivan holds Computer Science from Pellissippi State Technical Community College.

What skills is David Sullivan known for?

David Sullivan is listed with skills including System Administration, Servers, Itil, Disaster Recovery, Virtualization, Troubleshooting, Firewalls, and Network Security.

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