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Mark Fillmore Email & Phone Number

Principal Systems Engineer I - Security Engineer at Raytheon
Location: Greater Tampa Bay Area, United States 10 work roles 3 schools
2 work emails found @raytheon.com 1 phone found area 801 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 1 phone

Work email m****@raytheon.com
Direct phone (801) ***-****
LinkedIn Profile matched
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Current company
Role
Principal Systems Engineer I - Security Engineer
Location
Greater Tampa Bay Area, United States

Who is Mark Fillmore? Overview

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Quick answer

Mark Fillmore is listed as Principal Systems Engineer I - Security Engineer at Raytheon, based in Greater Tampa Bay Area, United States. AeroLeads shows a work email signal at raytheon.com, phone signal with area code 801, and a matched LinkedIn profile for Mark Fillmore.

Mark Fillmore previously worked as Principal Systems Engineer I - Infrastructure Lead at Raytheon and Sr. Systems Engineer II - Infrastructure Lead at Raytheon. Mark Fillmore holds M.S. Security Engineering, Computer Engineering from Southern Methodist University.

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Email format at Raytheon

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{first}.{last}@raytheon.com
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AeroLeads found 2 current-domain work email signals for Mark Fillmore. Compare company email patterns before reaching out.

Profile bio

About Mark Fillmore

Experienced Systems Engineer, with proven leadership skills, dedicated to exceeding employerexpectations through strong problem solving skills and effective communication. I am comfortable inchallenging engineering environments involving automation, agile, virtualization, cloud technologiesand operations support. Proven record of leading a successful large Linux infrastructure team. Strongdesire to learn, motivated to be an important asset and grow within an organization to reach my fullpotential. I challenge myself often during free time by building/expanding my home lab, which I use topractice implementations of new products and technologies while continuing to learn new and betterways to solve hard problems.

Listed skills include Vmware, Vmware Esx, Linux, Systems Engineering, and 44 others.

Current workplace

Mark Fillmore's current company

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Raytheon
Raytheon
Principal Systems Engineer I - Security Engineer
Florida, United States
AeroLeads page
10 roles

Mark Fillmore work experience

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

Principal Systems Engineer I - Security Engineer

Florida, United States

Principal Systems Engineer I - Security Engineer

Current

Arlington, Va, Us

• Key Member of Security Engineering Group. Linux SME.• Developed then executed upgrade of CentOS 6 to 7 for critical COTS server group• Integration and Deployment of Network Wide Backup Solution, including documentation & procedures/training.• Led the Adoption of Ansible for Baseline Management and STIG Application & Remediation• Developed Automated testing tools using python which reduced testing from days to minutes.• Performed Trade Studies comparing COTS products to solve customer's engineering challenges• Streamlined the patch process for All Linux servers• Active Directory Management in DSA.msc• GPO creation following our GPO create/modify process• Troubleshoot Microsoft Exchange mail flow• Powershell Scripting Example: Read values from CSV and update AD to support automated testing• Integration of Windows Applications including VM Deployment and Event Monitoring• Windows Firewall & Network Troubleshooting• Develop & Present Technical Demos to upper management & customers• Created, red-lined and updated System Documentation and procedures• Investigate & Close tickets as a top tier engineer for internal Helpdesk system

Nov 2020 - Present

Principal Systems Engineer I - Infrastructure Lead

Arlington, Va, Us

• Agile Infrastructure Team Lead that supports 7+ SW development teams (~50-75 SWDevelopers). Dual role of Infrastructure Architecture working with Product Owners to develop/design new features for system.• Maintain deployment cadence of 8 weeks, moving SW baseline from Dev to IVT (testing) toProduction.• Owned the Atlassian suite for the program (Jira, Bamboo, Bitbucket/Stash, Confluence).Constantly updated to latest version & actively deploying it as part of the system.• Leveraged automation tool Chef to maintain configuration and consistent deployments.Integration of Splunk and Nagios for system monitoring & audit logging.• Coordinated large infrastructure upgrades with other agile teams to meet customer needs andwith little impact to production. Efforts include migration from RHEL 6 to 7, large backendstorage migration, facilities move of ~150 people & equipment, large chef code refactor todata_bags, and system password enhancement.• Established processes and facilitated the engineering of the system that lead to successfuldeployment of agile releases on a structured cadence to meet customer needs. Provided factoryreachback support to the production system.• I led the design, purchase and build of the development environment and scaled it to meetprogram needs while staying within budget requirements. Continued to upgrade and grow devenvironment as the program grew.• Led the investigation and initial AWS Cloud deployments.• Improved workflows by creating processes & documentation for repeated tasks.• Interviewed new team members and balanced the onboarding needs as the team grew from 6 to25.

Nov 2019 - Nov 2020

Sr. Systems Engineer Ii - Infrastructure Lead

Arlington, Va, Us

Dec 2017 - Nov 2019

Infrastructure Analyst

Bloomington, Illinois, Us

Using Puppet, deploy infrastructure tools to Enterprise (>50k servers). HPOM/HPOV Client, Custom Performance/monitoring ToolsResponsible Owner of Server Type for Monitoring/Performance/Automation teams (~500 servers)Migrated legacy systems to RHEL 7 using RPM packaging & Puppet Automation~2000 Custom Perl Modules & Scripts trimmed down to ~175 RPMsCreated workflow to increase development speed by 50%Integrated GIT with Jenkins to Auto build when Software Developer’s merge request is approvedResolve Security Audit Findings and defend against internal Vulnerability Assessment teamsMaintain 24/7 availability of critical infrastructure system that provides >$5 million savings due to automation toolingCreated and Maintain Disaster Recovery & Business Continuity plans (DRP/BRP).Setup and manage SSH Keys, Global VIPs, Firewall Rules, LDAP/AD accounts, SELinux Rules, Apache, syslog, logrotate, etc.. Develop Sysadmin code/scripts using Bash, PerlDevelop and Maintain comprehensive processes and DocumentationExcellent collaboration with various teams to build solutions

Feb 2016 - Dec 2017

Sr. Systems Engineer Ii - Infrastructure Engineer/Sysadmin

Arlington, Va, Us

• Management of a Datacenter with 700+ Servers and 100+ desktop/workstationso Primary POC for all changes and implementationso Reduced physical footprint by 95% by implementing a virtualization migration solution o Serve as an integrator with VMware products (3.5-5.5), RHEL (4,5,6), and Microsoft Servers & products.o Major player in Planning and Executing Datacenter move to new company locationo Led engineering efforts to meet contract requirements and security accreditationo Developed solutions encompassing infrastructure built on technologies from NetApp, LSI, Cisco, Dell, HP, IBM, SuperMicro, and Quantumo Maintained comprehensive processes and procedures for the administration and patch management of systemso Provided technical expertise supporting multiple datacenters and projects● Environment Management Teamo Create automation solutions for repeatable and reliable deployment & management of software baselineso Improved software engineering’s integrated development environment through the adoption of continuous integration principles and shell scripting (Ansible, Chef, bash, python, powershell, )o Work alongside other functional teams in an agile environmento Deploy & Maintain Environments for Dev, Testing, DR Workoff, and Productiono Maintain Software Tracking process to introduce new products and prevent unauthorized software from entering system● Management of Authentication Services● Provided site support from factory environment with travel as needed● Strong Troubleshooting & Problem Solving experience● Strong verbal and written communication skills

Sep 2015 - Jan 2016

Sr. Systems Engineer I - Infrastructure Engineer/Sysadmin

Arlington, Va, Us

Sep 2013 - Sep 2015

Systems Engineer Ii - Infrastructure Engineer/Sysadmin

Arlington, Va, Us

Jul 2010 - Sep 2013

Systems Engineer I

Arlington, Va, Us

● COTS/GOTS Manager for an Internal Research And Development (IRAD) Program & DCGS where I performed Software Baseline Management which included:o Tracking versions of software & licenses used on the systemso Renewal of maintenance for existing licenses● Assisted Security in preparing for the yearly DSS Audit by ensuring areas and personnel met security specifications. ● Created scripts to automate processes which saved time, reduced effort and increased productivity of the whole team.● Processing of incoming media/software into the Engineering Release Library.

Mar 2009 - Jul 2010

Network Operations Center Technician

Marlin Esolutions

● Provide customer support to identify issues and troubleshoot problems ● Internal Monitoring of systems and networks ● Use of ticketing system, phone, and webchat to meet customer needs● Installation and termination of wiring for servers and racks

Sep 2008 - Feb 2009
3 education records

Mark Fillmore education

M.S. Security Engineering, Computer Engineering

Southern Methodist University

Information Systems Technology (B.S.)

University Of Central Florida

Computer Network Management (A.A.S.)

Anne Arundel Community College
FAQ

Frequently asked questions about Mark Fillmore

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

What company does Mark Fillmore work for?

Mark Fillmore works for Raytheon.

What is Mark Fillmore's role at Raytheon?

Mark Fillmore is listed as Principal Systems Engineer I - Security Engineer at Raytheon.

What is Mark Fillmore's email address?

AeroLeads has found 2 work email signals at @raytheon.com for Mark Fillmore at Raytheon.

What is Mark Fillmore's phone number?

AeroLeads has found 1 phone signal(s) with area code 801 for Mark Fillmore at Raytheon.

Where is Mark Fillmore based?

Mark Fillmore is based in Greater Tampa Bay Area, United States while working with Raytheon.

What companies has Mark Fillmore worked for?

Mark Fillmore has worked for Raytheon, State Farm ®, and Marlin Esolutions.

How can I contact Mark Fillmore?

You can use AeroLeads to view verified contact signals for Mark Fillmore at Raytheon, including work email, phone, and LinkedIn data when available.

What schools did Mark Fillmore attend?

Mark Fillmore holds M.S. Security Engineering, Computer Engineering from Southern Methodist University.

What skills is Mark Fillmore known for?

Mark Fillmore is listed with skills including Vmware, Vmware Esx, Linux, Systems Engineering, Virtualization, System Administration, Troubleshooting, and Red Hat Linux.

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