Email
coleen.b.sullivan.civ@mail.mil
Phone
(571) 616-4640
Latest SAM.gov record

Contact facts

SAM.gov notices
15
Contract awards
17 As contracting staff
First SAM.gov record

Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.

SAM.gov notices

Notice Posted
Gartner Research Subscription Licenses Limited / Sole Source Justification
Film Scanner for the Defense Threat Reduction Information Analysis Center Award Notice
Defense Threat Reduction Information Analysis Center (DTRIAC) Film Scanner Solicitation
Brand Name Justification for Gigamon Hardware and Software Limited / Sole Source Justification
Integrated Communications and Digital Adoption Award Notice · HDTRA126C0020
Integrated Communications and Digital Adoption Award Notice · HDTRA126R0007
Integrated Communications and Digital Adoption Solicitation · HDTRA126R0007
Integrated Communications and Digital Adoption Pre-Solicitation · HDTRA126RXXX1
Integrated Communications and Digital Adoption Pre-Solicitation · HDTRA126R0001
Brand Name Justification for Infoblox Software Limited / Sole Source Justification
Brand Name Justification for F5 Load Balancer Software Limited / Sole Source Justification
Brand Name Justification Veeam Software Limited / Sole Source Justification · HDTRA125F070
Brand Name Justification Veeam Software Limited / Sole Source Justification · HDTRA125FE070
Brand Name Justification for Ansible Software Limited / Sole Source Justification
Brand Name Justification ServiceNow Software Limited / Sole Source Justification
Show all 15

Contract awards and IDVs

Award Awarded Obligated
Microsoft enterprise license agreements (elas) HDTRA126FE056 · Dell Federal Systems L.P $3,934,708
Network security and performance monitoring test access point hardware and software HDTRA126FE047 · Carahsoft Technology Corp $590,340
Integrated communications and digital adoption support HDTRA126C0020 · Schatz Publishing Group, LLC $437,166
Tanium module annual subscriptions HDTRA122F0031 · EC America, Inc. $2,655,619
Collaborative technologies IT and telecom (1) HDTRA120F0028 · Teksynap Corporation $23,089,254
Task order for purchase of hardware, software, and peripheral items for 4250 scif buildout HDTRA126FE022 · Teksynap Corporation $4,102,070
Veritas netbackup licenses FY26 HDTRA126FE019 · Carahsoft Technology Corp $223,898
Servicenow information technology service management (itsm) HDTRA125FE064 · Carahsoft Technology Corp $3,402,496
Ansible red HAT software IT automation modernization - FY25 HDTRA125FE068 · Carahsoft Technology Corp $3,297,200
Software installation support HDTRA124P0053 · X Central LLC $257,332
Docave software license subscriptions and technical support services HDTRA120F0091 · Software Information Resource Corp. $1,323,480
Mission information technology services HDTRA123F0021 · Booz Allen Hamilton Inc. $236,414,590
Laptop and desktop life-cycle replacement FY25 / PC as a service HDTRA125FE049 · Dell Federal Systems L.P $11,384,745
Omnissa horizon VDI software HDTRA125FE051 · DH Technologies, Inc. $170,766
Geographic information system GIS capability HDTRA125FE046 · Environmental Systems Research Institute, Inc. $8,123,435
FY25 cyber security server replacement HDTRA125FE032 · Trace3 Government, LLC $1,172,251
Purchase of splunk siem software licenses HDTRA125FE007 · Carahsoft Technology Corp $2,161,327
Show all 17

Top vendors

Top NAICS codes

Top PSC codes

Quick answers

Who is Coleen Sullivan?

Coleen Sullivan is a federal contracting contact at Defense Threat Reduction Agency (Department of Defense). Point of contact on 15 SAM.gov notices and contracting staff on 17 contract awards, from March 6, 2025 to September 2, 2026.

How do I contact Coleen Sullivan?

SAM.gov lists Coleen Sullivan's email coleen.b.sullivan.civ@mail.mil and phone (571) 616-4640.

What is the latest SAM.gov notice naming Coleen Sullivan?

Gartner Research Subscription Licenses, limited / sole source justification, posted September 2, 2026.

Which vendors has Coleen Sullivan awarded contracts to?

The vendors on the most contract awards and IDVs naming Coleen Sullivan are Carahsoft Technology Corp, Dell Federal Systems L.P and Teksynap Corporation.

On GovTribe

See Coleen Sullivan's full record

  • Every notice, award and file that names them
  • Their buying profile: what they buy and from whom
  • Export contacts at this office
  • Ask GovTribe AI about this contact