James P. Callahan (J.P.)
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James P. Callahan (J.P.) Email & Phone Number

Senior Principal Detection Engineer and Threat Hunter and Security Factotum at USContracting
Location: Columbia, Maryland, United States 9 work roles 1 school
1 work email found @us-contracting.us LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Senior Principal Detection Engineer and Threat Hunter and Security Factotum
Location
Columbia, Maryland, United States
Company size

Who is James P. Callahan (J.P.)? Overview

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Quick answer

James P. Callahan (J.P.) is listed as Senior Principal Detection Engineer and Threat Hunter and Security Factotum at USContracting, a with 33 employees, based in Columbia, Maryland, United States. AeroLeads shows a work email signal at us-contracting.us and a matched LinkedIn profile for James P. Callahan (J.P.).

James P. Callahan (J.P.) previously worked as Senior Detection Engineer and Threat Hunter / Security Factotum at Uscontracting and Information Systems Security Engineer at Prime Solutions. James P. Callahan (J.P.) holds Bachelor Of Science - Bs from Excelsior University.

Company email context

Email format at USContracting

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*@us-contracting.us
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Profile bio

About James P. Callahan (J.P.)

Over 40 years experience in a variety of successful positions directing and managing task oriented teams and sub-elements of up to 80 persons including eighteen years leadership experience on active military duty and three consecutive director level positions in the private sector Information Technology and financial services industries. Held an assortment of titles including, Director, Special Agent in Charge, Team Leader, Operations Officer, Staff Security Officer, Lead Investigator, Liaison Officer and now Senior Systems Security Engineer. Conferred numerous honors and awards for performance and continually lauded as best among peers on efficiency reports.Specialties: Unique thing about my career, I've done a lot of things. Including, but not limited to:-Big data analytics for network defense.-Computer/Network Forensics & Investigations-Data Center Security-Data Center Operations-Physical Security -Personnel Security (incl process as well as personal security interviewing)-Security Awareness -Counterintelligence/Force Protection investigations & Debriefings-US Army Master Instructor (including computer/network based instruction)-Corporate Investigationswww.professionalparanoid.com

Listed skills include Security, Disaster Recovery, Information Security, Data Center, and 18 others.

Current workplace

James P. Callahan (J.P.)'s current company

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

USContracting
Uscontracting
Senior Principal Detection Engineer and Threat Hunter and Security Factotum
Columbia, MD, US
Employees
33
AeroLeads page
9 roles

James P. Callahan (J.P.) work experience

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

Senior Principal Detection Engineer And Threat Hunter And Security Factotum

Uscontracting

Columbia, Md, Us

Senior Detection Engineer And Threat Hunter / Security Factotum

Uscontracting

See my website for details.

Information Systems Security Engineer

Columbia, Md, Us

Same seat - new contract. Details Pending.

Sep 2014 - Feb 2017

Sr. Principal Consultant/Information Systems Security Engineer

Ibm (By Acquisition) /Nisc

Annapolis Junction, MarylandJob Description Pending

Oct 2009 - Sep 2014

Director, Data Center Operations & Strategy

Barclaycard Us

Responsible to provide thought leadership to senior IT management, IT operations, technical staff and project management to proactively assist in defining specifications, solutions, direction, and architecture principals for data center operations and strategy. Construct the statistical and analytical methods necessary to understand, evaluate and recommend improvements to current data center operations and future strategies. Concludes on options, risks, cost/benefit analysis, integration issues, gaps, and impact on business processes of the current and proposed data center technology. Conducts cost analysis studies to determine feasibility of various approaches to maintain operational environment. Leads the research for data center infrastructure advancements to ensure that the enterprise-wide data center infrastructure is continuously improved and aligned with the industry and company standards; designs and provides updates to standards to enhance solutions.

Jan 2009 - Oct 2009

Director Recovery Services And Records Management - Infosec

Barclaycard Us

Responsible for developing and directing two teams of subject matter experts assuring development and maintenance of critical business processes compliant with Barclays UK corporate strategy while tailored to US operational environment. Specifically, directing the company's business continuity and disaster recovery program as well as the records management function as part of the information security and risk management department. This includes directing functional area programs of risk based assessments and mitigation strategies covering internal systems and processes as well as external vendors. Working with business and technology partners developing incident response and recovery strategies for time-sensitive functions. Working with record holding business units and database administrators on information life cycle management as part of the overall enterprise content management (ECM) initiative.

Jan 2008 - Jan 2009

Director Customer Data Center Security (Professional Paranoid)

Basking Ridge, Nj, Us

Responsible for strategic planning; implementation; management and direction for security policy, procedures and protocols for 15 Premium Collocation Data Centers and four managed hosting data centers (two domestic and two international). Provided compliance advice and assistance for hosting operations to meet customer contractual obligations across all supported industries and standards. Working closely with sales, marketing, and product management, provided direction and support to address customer specific environmental security and compliance issues and concerns for all hosting products Provided outsourced consulting services regarding data center security.

Jun 2000 - Jan 2008

Cw4 Counterintelligence Special Agent (The Ci Computer Guy)

Arlington, Virginia, Us

Serving in a variety of positions of increasing complexity and responsibility, provided counterintelligence support to US Army customer agencies and organizations. This support included national security investigations, battlefield force protection support and intelligence analysis, computer crimes investigations and special operations, as well as national and local agency liaison. Also served as instructor and mentor for US Army Intelligence Warrant Officer Corps.

Sep 1980 - Sep 2000
Team & coworkers

Colleagues at USContracting

Other employees you can reach at us-contracting.us. View company contacts for 33 employees →

1 education record

James P. Callahan (J.P.) education

  • Excelsior University
    Excelsior University
    Bachelor Of Science - Bs
FAQ

Frequently asked questions about James P. Callahan (J.P.)

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

What company does James P. Callahan (J.P.) work for?

James P. Callahan (J.P.) works for USContracting.

What is James P. Callahan (J.P.)'s role at USContracting?

James P. Callahan (J.P.) is listed as Senior Principal Detection Engineer and Threat Hunter and Security Factotum at USContracting.

What is James P. Callahan (J.P.)'s email address?

AeroLeads has found 1 work email signal at @us-contracting.us for James P. Callahan (J.P.) at USContracting.

Where is James P. Callahan (J.P.) based?

James P. Callahan (J.P.) is based in Columbia, Maryland, United States while working with USContracting.

What companies has James P. Callahan (J.P.) worked for?

James P. Callahan (J.P.) has worked for Uscontracting, Prime Solutions, Ibm (By Acquisition) /Nisc, Barclaycard Us, and Verizon Business/Mci/Digex.

Who are James P. Callahan (J.P.)'s colleagues at USContracting?

James P. Callahan (J.P.)'s colleagues at USContracting include Jeffrey Kidwell, Dustie Horn, Yayieska Clark, Ronnie Curley, and Joe Roberts.

How can I contact James P. Callahan (J.P.)?

You can use AeroLeads to view verified contact signals for James P. Callahan (J.P.) at USContracting, including work email, phone, and LinkedIn data when available.

What schools did James P. Callahan (J.P.) attend?

James P. Callahan (J.P.) holds Bachelor Of Science - Bs from Excelsior University.

What skills is James P. Callahan (J.P.) known for?

James P. Callahan (J.P.) is listed with skills including Security, Disaster Recovery, Information Security, Data Center, Business Continuity, Computer Security, Integration, and Incident Response.

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