Halcolm Mulligan
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Halcolm Mulligan Email & Phone Number

Network Administrator at Raven Advisory LLC
Location: Killeen, Texas, United States 10 work roles 2 schools
1 work email found @army.mil LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email h****@army.mil
LinkedIn Profile matched
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Current company
Raven Advisory LLC
Role
Network Administrator
Location
Killeen, Texas, United States
Company size
45 employees

Who is Halcolm Mulligan? Overview

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Quick answer

Halcolm Mulligan is listed as Network Administrator at Raven Advisory LLC, a with 45 employees, based in Killeen, Texas, United States. AeroLeads shows a work email signal at army.mil and a matched LinkedIn profile for Halcolm Mulligan.

Halcolm Mulligan previously worked as Network Engineer at Raven Advisory Llc and Network Engineer at Prime Technical Services Inc.. Halcolm Mulligan holds Bachelor Of Science - Bs, Cybersecurity from American Military University.

Company email context

Email format at Raven Advisory LLC

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{first}.{last}@army.mil
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AeroLeads found 1 current-domain work email signal for Halcolm Mulligan. Compare company email patterns before reaching out.

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Profile bio

About Halcolm Mulligan

Network Administrator and Army Veteran with 8+ years of collective experience managing large, complex data communication networks. Possess extensive knowledge in advanced troubleshooting, diagnosis, Cisco switch, router, and firewall experience derived from working in the United States Army. Possess a comprehensive background in resolving technical problems, network security, VoIP, and hardware and software upgrades. Career supported by CompTIA Security+. Active Secret Security Clearance.

Current workplace

Halcolm Mulligan's current company

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

Raven Advisory LLC
Raven Advisory Llc
Network Administrator
Killeen, TX, US
Website
ravenadvsry.com
Employees
45
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Company profile
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10 roles

Halcolm Mulligan work experience

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

Network Engineer

Current
Raven Advisory Llc

Fort Hood, Texas, United States

Dec 2023 - Present

Network Manager

Us Army

Fort Hood, Texas, United States

Identified and reported network threats, electronic jamming of equipment, and applying appropriate countermeasures. Supervised a team of four to provide Internet and VOIP services.• Installed, modified, and repaired hardware/software and resolved technical issues ensuring 100% customer satisfaction• Maintained flexible schedule and responded to after-hours and weekend emergencies• Implemented, developed, and tested installation of file servers, print servers, and application servers

Jan 2021 - Jan 2023

Network Supervisor

Us Army

Fort Campbell, Tennessee, United States

Installed, troubleshot, and protected encryption devices and load with encryption keys ensuring zero security threats. • Maintained equipment and resolved issues and escalated problems with knowledgeable support quality• Provided daily hardware and software technical support for military computer and communications hardware, software, and equipment valued at over $1M • Provided security for network by monitoring firewall for foreign IP addresses

Jul 2019 - Dec 2020

Technical Support Specialist

Us Army

Fort Campbell, Tennessee, United States

Provided tier one IT technical support to computer system users via phone, remote assistance and through email.• Isolated faults and maintained network function and uptime levels at 98%• Worked with Active Directory to build user network profiles, reset passwords, and unlock accounts• Installed, tested, and configured new workstations, peripheral equipment, and software

Apr 2018 - Jun 2019

Quality Assurance Coordinator

Us Army

Fort Hood, Texas, United States

Coordinated with upper management daily on management techniques, improving initiatives, and manpower resources concerning organizational realignment to maximize operational efficiency and exceed expectations of overall company performance.• Oversaw weekly, monthly, and yearly fuel reports for the organization by creating excel spread sheets for tracking purposes• Created PowerPoint presentations and briefed leadership on weekly testing requirements• Supervised lab operations and maintained accountability of $546K worth of equipment

Nov 2015 - Mar 2018

Petroleum Laboratory Specialist

Us Army

Fort Hood, Tx

Performed quality assurance measures for fuel across all of Fort Hood Army Base.• Ensured efficient and professional administrative and clerical service to colleagues and supervisors; exhibited excellent communication skills over cross-functional departments• Ran multiple fuel tests and created status update reports for upper-level management• Oversaw the record-keeping and archiving of all produced documents and reports

Apr 2014 - Oct 2015
Team & coworkers

Colleagues at Raven Advisory LLC

Other employees you can reach at ravenadvsry.com. View company contacts for 45 employees →

SH Scott Harrison Scott Harrison Colleague at Raven Advisory LlcCopperas Cove, Texas, United States View → PL Pete Leyden Pete Leyden Colleague at Raven Advisory LlcFayetteville, North Carolina, United States View → BS Bobby Sinko Bobby Sinko Colleague at Raven Advisory LlcFayetteville, North Carolina, United States View → KT Keenon Tisdale Keenon Tisdale Colleague at Raven Advisory LlcFayetteville, North Carolina, United States View → AS Art Salisbury Art Salisbury Colleague at Raven Advisory LlcFayetteville, North Carolina, United States View → JW Jason Watson Jason Watson Colleague at Raven Advisory LlcBelton, Texas, United States View → RD Rolands Dale Rolands Dale Colleague at Raven Advisory LlcSpring Lake, North Carolina, United States View → AB Aaron Bowers Aaron Bowers Colleague at Raven Advisory LlcUnited States View → SB Savannah Braxton Savannah Braxton Colleague at Raven Advisory LlcFayetteville, North Carolina Metropolitan Area, United States View → TB Theron Becker Theron Becker Colleague at Raven Advisory LlcFayetteville, North Carolina, United States View →
2 education records

Halcolm Mulligan education

FAQ

Frequently asked questions about Halcolm Mulligan

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

What company does Halcolm Mulligan work for?

Halcolm Mulligan works for Raven Advisory LLC.

What is Halcolm Mulligan's role at Raven Advisory LLC?

Halcolm Mulligan is listed as Network Administrator at Raven Advisory LLC.

What is Halcolm Mulligan's email address?

AeroLeads has found 1 work email signal at @army.mil for Halcolm Mulligan at Raven Advisory LLC.

Where is Halcolm Mulligan based?

Halcolm Mulligan is based in Killeen, Texas, United States while working with Raven Advisory LLC.

What companies has Halcolm Mulligan worked for?

Halcolm Mulligan has worked for Raven Advisory Llc, Prime Technical Services Inc., Defense Health Agency, Ahtna Logistics, Inc., and Us Army.

Who are Halcolm Mulligan's colleagues at Raven Advisory LLC?

Halcolm Mulligan's colleagues at Raven Advisory LLC include Scott Harrison, Pete Leyden, Bobby Sinko, Keenon Tisdale, and Art Salisbury.

How can I contact Halcolm Mulligan?

You can use AeroLeads to view verified contact signals for Halcolm Mulligan at Raven Advisory LLC, including work email, phone, and LinkedIn data when available.

What schools did Halcolm Mulligan attend?

Halcolm Mulligan holds Bachelor Of Science - Bs, Cybersecurity from American Military University.

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