AeroLeads people directory · profile

Dennis Long Email & Phone Number

Location: Oklahoma City, Oklahoma, United States 21 work roles 6 schools
1 work email found @mtsi-va.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email d****@mtsi-va.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Cyber Security Engineer
Location
Oklahoma City, Oklahoma, United States

Who is Dennis Long? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Dennis Long is listed as Cyber Security Engineer at Modern Technology Solutions, Inc. (MTSI), based in Oklahoma City, Oklahoma, United States. AeroLeads shows a work email signal at mtsi-va.com and a matched LinkedIn profile for Dennis Long.

Dennis Long previously worked as Security Control Assessor (SCA) AirForce Office of Special Investigation at Mantech and Security Control Assessor at Dependable Global Solutions. Dennis Long holds Aas, Information Technology, Network Emphasis from Oklahoma State University.

Company email context

Email format at Modern Technology Solutions, Inc. (MTSI)

This section adds company-level context without repeating Dennis Long's masked contact details.

{first}.{last}@mtsi-va.com
86% confidence

AeroLeads found 1 current-domain work email signal for Dennis Long. Compare company email patterns before reaching out.

Profile bio

About Dennis Long

Dennis Long is a Cyber Security Engineer at Modern Technology Solutions, Inc. (MTSI). He possess expertise in windows, documentation, security, system administration, servers and 10 more skills.

Listed skills include Windows, Documentation, Security, System Administration, and 11 others.

Current workplace

Dennis Long's current company

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

Modern Technology Solutions, Inc. (MTSI)
Modern Technology Solutions, Inc. (Mtsi)
Cyber Security Engineer
AeroLeads page
21 roles · 28 years

Dennis Long work experience

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

Cyber Security Engineer

Current

Alexandria, Va, Us

Cyber Security engineer focusing on the oversight and security engineering of a suite of cloud-based resources. Providing guidance on various cloud security technologies ensuring proper design and implementation to protect against various cyber threats such as unauthorized access, data breaches, and malware attacks.

Sep 2021 - Present

Security Control Assessor (Sca) Airforce Office Of Special Investigation

Herndon, Virginia, Us

Oct 2018 - Sep 2021

Security Control Assessor

Dependable Global Solutions

AFOSI/PJ SCA

Jun 2016 - Oct 2018

Aissm/Lead Compliance Auditor.

The Johns Hopkins University Applied Physics Laboratory

Serving as the Assistant Information System Security Manager (AISSM), as well as a classified information system security analyst and auditor, providing oversight over the collateral security program for a DoD University Affiliated Research Center (UARC) ensuring compliance with DoD 5220.22-M, National Industrial Security Policy Operating Manual (NISPOM). Duties include providing assistance with the Certification and Accreditation (C&A) of classified information systems, reviewing System Security Plans (SSPs) for compliance with applicable DoD policy, performing risk analyses and security assessments on diverse classified information system environments, recommending mitigation and remediation for any identified vulnerabilities, developing security policy, procedures and standards for classified program, serving as a technical advisor to the Information System Security Manager (ISSM), developing and providing ongoing security awareness training and briefings to a large organization consisting of over 5,000 employees, and serving as a liaison for government customers and cognizant security agency. Other duties included managing compliance, auditing and IS hardening standards of an IS profiles that includes over 3000 pieces of equipment. Serve on the AI team to investigate internal policy and procedure infractions.

Apr 2014 - Jun 2016

Issm Central Maryland Region

Mclean, Va, Us

Have a working knowledge of system functions, security policies, technical security safeguards, and operation security measures. Complete and maintain the documentation for Certification & Accreditation of each Information System under their purview in accordance with applicable ODNI and DoD policies. ISSM for all Collateral systems and facilities with the Central Maryland region.

Jul 2010 - Apr 2014

Software Engineer

Falls Church, Va, Us

B-2 Lab facility Systems admin and integrator.

Nov 2002 - Dec 2006

Jsf Team Engineer

Falls Church, Va, Us

Responsible for network and computer administration including Windows Server 2003 administrator and integration, configure AD, DNS, DHCP, and created Domain settings and policies. Worked with a team to develop computer and network SOP. Developed lab network and computer integration. NETAPP storage design and administration. Linux workstation/server install and administration.

Jan 2004 - Sep 2004

Technical Lead Responsible

Enterprise Products

Wrote scripts (NT/DOS and Batch Scripting) to be used for firm-wide application standardization. Liaison to software vendors, financial institutions, and software developersCreated technical, configuration and support, documents for the firm. Lead technical analyst to provide primarily level III (and II) support to the equity investment groups, specifically the Equity, Municipal, and Corporate trading desks. Supervised and mentored one or more technical analyst(s). Executive technical support

Oct 2002 - Jul 2010

It Lead

Wedgetail Isso

In my position as an ISSO/IT lead I work all Technical (IT) aspects of the Wedgetail Program. This includes all security related functions for the information systems, all hardware/software installs, upgrades and maintenance. I am in charge of all lab equipment for inventory, class and declass procedures, tracking and calibration maintenance. All IT equipment is also my responsibility, workstations, servers, and printers. I oversee all the IT systems within the Wedgetail and related programs.

Dec 2008 - Oct 2009

Lab Hardware/Software Lead

Dcgs-A/ Irad

Routinely worked and lead all the needs of a medium sized software development lab for a multi-million dollar IRAD project. This includes hardware/software purchases, install, upgrades and configuration. Developed a working SOP for other technicians that worked in the area. Help design and implement a large scale network with help from NGIT. Worked directly with all software engineers to develop and maintain a solid working environment for current and future projects. This included the set up of an ESX server environment to host multiple simultaneous projects and stake holders. Work with lead software engineers, Program managers, and other groups to actively bring new business opportunities into the lab. The largest of which was a large proposal for a possible 3 billion dollar contract. I was lead for all IT and technical aspect of the working development, integration, production and demo environments. This included but was not limited to hardware and software quotes, purchases, setup, configuration and vendor relations and support.

Jan 2008 - Dec 2008

Software Engineer

Tinker Afb

Responsible for Windows Server 2003 Administration, installation and configuration. Ran DNS, DHCP, Terminal Server, Exchange 2003 and many other applications. Configured and maintained all Extreme networks Black Diamond and Mariner 10K multi layer switches. Planned and installed Cable Runs. Fiber and Copper (cat-5, 5E, and 6) Installed, Upgraded, and Maintained of all desktop computers and software. Installated and Maintained Server hardware and software. Created and updated desktop images for entire site. Altiris software Administrator. Linux workstation/server install and configuration. Knowledge of security procedures in accordance with the DCID 6/3, NISPOM Chapter 8, and/or JAFAN 6/3 requirements.

Oct 2002 - Dec 2006

System Engineer

National Institute Of Health

Support of NIH/CIT/HSB Windows OS environment, provide Windows system administration services including technical support and software expertise for Windows 2000 and 2003 servers. Ensure that these servers operate accurately and efficiently in response to user requirements. Install applications, operating system updates, Windows Web services and Citrix system software.Diagnose and resolve system problems to include recording the problem symptoms, performing root cause analysis, providing resolutions for hardware and software problems, and tracking issues through resolution. Coordinate and schedule remedial actions with appropriate vendor and operations personnel for hardware and software upgrades. Monitor daily operations and document procedures required for continuous operations. Maintain statistical information to track persistent problems as well as trends before they become problems. Test new hardware and software within Government guidelines to insure seamless integration into production environment.

Jan 2006 - Jun 2006

Technical Engineer Level Four

Compaq/Hp Corporation

Server team lead and state office liaison oversaw 14 engineers responsible for first point of contact and on site support as well as training new technicians. Support multiple Operating Systems in a Network Environment: Windows 9x, Win NT, Win 2K Pro & Server, and Windows XP Pro. Worked with migration team to upgrade laptops and desktops from Windows 95/Windows NT to Windows 2000 and Windows XP Pro. Support all aspects of hardware and software break fix contract. Second level network support including installs, maintenance, and upkeep.

Nov 2001 - Oct 2002

Technical Analyst

T. Rowe Price And Associates
Apr 2000 - Nov 2001

Help Desk Level 2

T. Rowe Price Associates, Inc.
2000 - 2001 ~1 yr

Systems Analyst

Baltimore, Maryland, Us

1999 - 2001 ~2 yrs

Customer Engineer

Nations Bank\Bank Of America

Responsible for all aspects of software implementation, upkeep and maintenance. Configured PCs and laptops for remote dial in through Defender Services. Worked onsite with clients to resolve hardware and software issues. Handled PC and laptop software, hardware upgradesEstablished client's local accounts. Supplied second level help to clients and other technicians.

Nov 1998 - Apr 2000
6 education records

Dennis Long education

Aas, Information Technology, Network Emphasis

Oklahoma State University

Aas, Information Technology

Oklahoma State University

Network Technology Degree, Cisco Concentration

Catonsville Community College

Network Technology, Cisco

New Horizons Technical Training

Diploma, General

South River High

Cyber Security Policy And Managment

University Of Maryland Global Campus
FAQ

Frequently asked questions about Dennis Long

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

What company does Dennis Long work for?

Dennis Long works for Modern Technology Solutions, Inc. (MTSI).

What is Dennis Long's role at Modern Technology Solutions, Inc. (MTSI)?

Dennis Long is listed as Cyber Security Engineer at Modern Technology Solutions, Inc. (MTSI).

What is Dennis Long's email address?

AeroLeads has found 1 work email signal at @mtsi-va.com for Dennis Long at Modern Technology Solutions, Inc. (MTSI).

Where is Dennis Long based?

Dennis Long is based in Oklahoma City, Oklahoma, United States while working with Modern Technology Solutions, Inc. (MTSI).

What companies has Dennis Long worked for?

Dennis Long has worked for Modern Technology Solutions, Inc. (Mtsi), Mantech, Dependable Global Solutions, The Johns Hopkins University Applied Physics Laboratory, and Booz Allen Hamilton.

How can I contact Dennis Long?

You can use AeroLeads to view verified contact signals for Dennis Long at Modern Technology Solutions, Inc. (MTSI), including work email, phone, and LinkedIn data when available.

What schools did Dennis Long attend?

Dennis Long holds Aas, Information Technology, Network Emphasis from Oklahoma State University.

What skills is Dennis Long known for?

Dennis Long is listed with skills including Windows, Documentation, Security, System Administration, Servers, Ceh, Operating Systems, and Dhcp.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.