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Brian Grier Email & Phone Number

Sr. System Administrator at ManTech
Location: Washington Dc-Baltimore Area, United States 8 work roles 2 schools
1 work email found @mantech.com 3 phones found area 813 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email b****@mantech.com
Direct phone (813) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Sr. System Administrator
Location
Washington Dc-Baltimore Area, United States
Company size

Who is Brian Grier? Overview

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Quick answer

Brian Grier is listed as Sr. System Administrator at ManTech, a with 5 employees, based in Washington Dc-Baltimore Area, United States. AeroLeads shows a work email signal at mantech.com, phone signal with area code 813, and a matched LinkedIn profile for Brian Grier.

Brian Grier previously worked as Lead Systems Administrator at Air Force Global Strike Command and Distributed Computer Systems Specialist at Ussocom. Brian Grier holds Network And System Administration/Administrator from University Of Maryland Global Campus.

Company email context

Email format at ManTech

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{first}.{last}@mantech.com
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AeroLeads found 1 current-domain work email signal for Brian Grier. Compare company email patterns before reaching out.

Profile bio

About Brian Grier

Clearance: TS/SCI w/ CI PolyResponsible to provide MAJCOM Communications Coordination Center daily situational updates and monitoring operational availability of Air Force NC3 systems, and core networks (NIPR/SIPR/VOIP).Ensured integrated and functional optimization yielding worldwide and stateside impact. Independently spear-headed day-to-day approaches to seizing overflowing ticket queues; including difficult and rogue challenges. (40+ tickets.)Assisted in rebuilding the GEOC for USSOCOM; the worldwide central command and control center for communications. (100+ Users)Awarded “The Army Achievement Medal” for meritorious service as Cyber Transport Journeyman for Combined Special Operations Task Force-10 Afghanistan.Collaborated Ground Support concurrent to 4 Air Force One POTUS Missions.

Listed skills include Security Clearance, Dod, Information Assurance, Air Force, and 22 others.

Current workplace

Brian Grier's current company

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ManTech
Mantech
Sr. System Administrator
2251 Corporate Park Drive, Herndon, Virginia 20171, us
Website
Employees
5
AeroLeads page
8 roles

Brian Grier work experience

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

Sr. System Administrator

Current

Herndon, Virginia, Us

Supports efforts of Marine Corps Intelligence Activity (MCIA) at MCB QuanticoPrepares all technical information necessary to support accreditation requirements and Authority to Operate (ATO). Coordinates with the Information Assurance and Computer Network Defense organizations for access to assets/scan tools necessary for system compliance. Supports and maintains Geospatial workstations.Integrates COTS/GOTS hardware and software as needed.Conducts software integration, troubleshooting and testing as needed.Trains users in the operation of deployable servers and laptops.Provides user support and guidance. Creates knowledge-based articles.Trains users in the operation of Geospatial workstations and Software. Prepares pass down / turnover information for shift FSRs.Coordinates with host base support for issues requiring escalation. Assists in developing documentation necessary for deploying, training, and maintaining the system through its lifecycle.

Sep 2019 - Present

Lead Systems Administrator

Barksdale Air Force Base, La, Us

Responsible to provide MAJCOM Communications Coordination Center daily situational updates and monitoring operational availability of Air Force NC3 systems, and core networks (NIPR/SIPR/VOIP). Coordinate standardized processes within Squadron Level Communication Focal Points to ensure speedy resolution of network problems. Knowledge of systems engineering roles and functions, including requirements management, functional analysis, configuration management processes and procedures.- Oversight and tracking of vulnerability management throughout the MAJCOM.- Liaison and coordinate AF network enterprise activities at higher echelons to ensure AFGSC communication squadrons work in concert for speedy resolution of problems/standardization of processes for resolution (to include policy review/establishment). - Takes a lead role with minimal supervision in remediation of all system failures, logging all failures, documenting work procedures and system configuration.- OS level application support, network, and server monitoring and performance tuning. - Installation and configuration of Windows OS, services and applications.- Administration of Windows OS, IIS, Exchange, Terminal Services, Active Directory, SQL Server and Applications.- Support and troubleshooting from the OS, application and network level; resolves system monitoring operating system software and servers; performing system backups and recovery and conducting server builds.- Process improvement and automation.- Technical input for service offerings and infrastructure.- Stays current on technology; brings innovation and industry leading ideas to the program.- Translates business and department's needs into individual objectives.

Jul 2018 - Jun 2019

Distributed Computer Systems Specialist

Tampa, Fl, Us

Oversaw development of hardware, software, and communications installation plans. Scheduled installations of new or modified hardware, operating systems, and application software; including migration, integration and testing.Managed accounts, network rights and systems access.Administered multiple LANs/WANs.Monitored systems and performed troubleshooting, upgrades and debugging.Coordinated Information Assurance requirements and implemented security procedures.Performed Disaster Recovery planning and implementation; including facility operations and physical security.Contributed to Continuity of Operations planning.

Jan 2016 - Jul 2018

3D1X2 Cyber Transport Systems Specialist

Randolph Afb, Tx, Us

8 Year Active Duty Career:Performed, coordinated, integrated and supervised network design, configuration, operation, defense, restoration, and improvements.Deployed, sustained, troubleshot and repaired standard voice, data and video network infrastructure systems and cryptographic equipment.Analyzed capabilities and performance, identified problems and took corrective action.Computer network and communication equipment expert and Non-NCO Team Lead.Fabricated, terminated and interconnected wiring associated to network infrastructure devices.Installed, upgraded, replaced, configured and maintained systems/circuits/IP-based intrusion detection systems that access military, federal and commercial networks.

May 2007 - Jan 2016

Infrastructure Technician

Randolph Afb, Tx, Us

Assisted in layout, positioning and anchoring of STARS Elite equipment racks.Fabricated Cat5, 5e, 6 cables in standard, crossover, A/B configurations.Installed fiber optic cables.Terminated and Installed RJ-45, RJ-11 and coax cables.

Aug 2013 - Aug 2014

Junior Network Engineer

Randolph Afb, Tx, Us

Responsible for maintenance of Windows Active Directory and all new user accounts.Managed group policy for rights and permissions for 200+ employees.Maintained inventory of all computers, printers, monitors and various other IT equipment.Utilized Policy Patrol application to filter Email and monitor malicious activity on corporate networks.Coordinated with commercial service providers and depots to conduct tests of systems components and assemblies to isolate faults.Removed, repaired, replaced and restored systems and subsystems.

May 2011 - Sep 2013

Awacs Computer Systems - Team Lead

Randolph Afb, Tx, Us

Attended and completed course on Electronic Principles.Successfully repaired 16 LAN Systems in order to maintain intranet-work and reduced downtime by over 50%.Responsible for performance evaluations and ensuring compliance with UCMJ.Developed and ensured compliance with OSHA standards and instructions.Coordinated with commercial service providers and depots to conduct tests of systems components and assemblies to isolate faults.Removed, repaired, replaced and restored systems and subsystems.

May 2007 - May 2011
Team & coworkers

Colleagues at ManTech

Other employees you can reach at mantech.com. View company contacts for 5 employees →

2 education records

Brian Grier education

Network And System Administration/Administrator

University Of Maryland Global Campus

General Studies

Hillsborough Community College
FAQ

Frequently asked questions about Brian Grier

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

What company does Brian Grier work for?

Brian Grier works for ManTech.

What is Brian Grier's role at ManTech?

Brian Grier is listed as Sr. System Administrator at ManTech.

What is Brian Grier's email address?

AeroLeads has found 1 work email signal at @mantech.com for Brian Grier at ManTech.

What is Brian Grier's phone number?

AeroLeads has found 3 phone signal(s) with area code 813 for Brian Grier at ManTech.

Where is Brian Grier based?

Brian Grier is based in Washington Dc-Baltimore Area, United States while working with ManTech.

What companies has Brian Grier worked for?

Brian Grier has worked for Mantech, Air Force Global Strike Command, Ussocom, United States Air Force, and Combined Joint Special Operations Task Force - Afghanistan.

Who are Brian Grier's colleagues at ManTech?

Brian Grier's colleagues at ManTech include Zack Proudfoot, Dave Deangelis, Kimberly Johnson, Courtney Wenzel, and Kevin Krempa.

How can I contact Brian Grier?

You can use AeroLeads to view verified contact signals for Brian Grier at ManTech, including work email, phone, and LinkedIn data when available.

What schools did Brian Grier attend?

Brian Grier holds Network And System Administration/Administrator from University Of Maryland Global Campus.

What skills is Brian Grier known for?

Brian Grier is listed with skills including Security Clearance, Dod, Information Assurance, Air Force, Military, Systems Engineering, Security, and Top Secret.

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