Douglas Derienze
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Douglas Derienze Email & Phone Number

Security Manager at MAINSAIL Group
Location: Greater Boston, United States 9 work roles 2 schools
1 work email found @mainsailgroupinc.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email d****@mainsailgroupinc.com
LinkedIn Profile matched
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Current company
MAINSAIL Group
Role
Security Manager
Location
Greater Boston, United States
Company size
48 employees

Who is Douglas Derienze? Overview

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Quick answer

Douglas Derienze is listed as Security Manager at MAINSAIL Group, a with 48 employees, based in Greater Boston, United States. AeroLeads shows a work email signal at mainsailgroupinc.com and a matched LinkedIn profile for Douglas Derienze.

Douglas Derienze previously worked as Contract Federal Background Investigator at Constellis and Investigator Mentor at General Dynamics Information Technology. Douglas Derienze holds Certificate, Paralegal from Boston University.

Company email context

Email format at MAINSAIL Group

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{first}{last}@mainsailgroupinc.com
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AeroLeads found 1 current-domain work email signal for Douglas Derienze. Compare company email patterns before reaching out.

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Profile bio

About Douglas Derienze

Contract federal background investigation professional with over 15 years of experience meeting case deadlines and federal investigative standards for case quality and information security compliance. Looking towards the cleared facility security area to protect sensitive areas requiring a clearance. Seeking personnel security and other related security positions at federally cleared facilities (and contractor facilities) that would benefit from my knowledge and understanding of situations that would require reporting for cleared personnel.If you need to bolster your federally cleared facility with someone who can help you comply with reporting requirements and help educate others on these sensitive topics you need to contact me.

Current workplace

Douglas Derienze's current company

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

MAINSAIL Group
Mainsail Group
Security Manager
Boston, MA, US
Website
mainsailgroupinc.com
Employees
48
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Company profile
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9 roles

Douglas Derienze work experience

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

Contract Federal Background Investigator

Constellis

Independent contract Federal Background Investigator. Conducting background investigations for various federal agencies for employment suitability and security clearances.

Aug 2020 - Aug 2021

Investigator Mentor

General Dynamics Information Technology

Greater Boston Area

Training and Mentoring new background investigators in the policy, procedures, and best practices of security clearance background investigations for federal employees, contractors, and military personnel. Conducted company onboarding and in the field job training with live interviews of clients. Served as a resource to newer investigators seeking guidance on various investigative field topics. Performed periodic performance in the field checks of new investigators as required by federal and company policy. On an as needed basis conducted retraining of investigators requiring additional assistance.

Apr 2018 - Aug 2019

Investigator

Caci

Working in New Hampshire (and Massachusetts) as an Investigator. Conducting security clearance background investigations for federal employees, contractors, and military personnel. Review of security paperwork SF-86 forms, interviewing sources, handling of sensitive information, following security procedures, writing of reports.

Oct 2016 - Mar 2018

Investigator

Keypoint Government Solutions

Greater Boston Area

Working in New Hampshire as an Investigator. Conducting security clearance background investigations for federal employees, contractors, and military personnel. Review of security paperwork SF-86 forms, interviewing sources, handling of sensitive information, following security procedures, writing of reports.Involved with Investigator field training to insure new hires are adhering to procedures and polices for background investigations.

Oct 2012 - Oct 2016

Investigator

Usis

Greater Boston Area

Conducted security clearance background investigations for federal employees, contractors, and military personnel. Review of security paperwork SF-86 forms, interviewing sources, handling of sensitive information, following security procedures, writing of reports.

Jun 2004 - Sep 2012

Sourcing Specialist

I2 Technologies

Merrimack,Nh

Updated electronic components database products as it related to the sale of product lines between manufacturer entries. Maintained regular contact with electronics manufacturers for updated component information. Obtained current availability and lifecycle information of electronic components needed for customer BOMs. Supported reference sourcing group with internal reports monitoring departmental progress. Provided reporting and Quality Assurance for specific customer project needs.

Nov 1999 - Dec 2002
Team & coworkers

Colleagues at MAINSAIL Group

Other employees you can reach at mainsailgroupinc.com. View company contacts for 48 employees →

CT Cleveland Turner Cleveland Turner Colleague at Mainsail GroupOklahoma City Metropolitan Area, United States View → MB Michael Brown Michael Brown Colleague at Mainsail GroupGreater Anchorage Area, United States View → WW Wade Ward Wade Ward Colleague at Mainsail GroupMaynard, Massachusetts, United States View → PL Paul Levasseur Paul Levasseur Colleague at Mainsail GroupGreater Boston, United States View → GH Gia Harrigan Gia Harrigan Colleague at Mainsail GroupProvidence County, Rhode Island, United States View → KP Kerry Pelham Kerry Pelham Colleague at Mainsail GroupGreater Boston, United States View → KS Kelly Stevens Kelly Stevens Colleague at Mainsail GroupCarlsbad, California, United States View → BR Blayne Ralston Shrm-Cp Blayne Ralston Shrm-Cp Colleague at Mainsail GroupWoburn, Massachusetts, United States View → PJ Patrick Jarvis Patrick Jarvis Colleague at Mainsail GroupBolton, Massachusetts, United States View → JC Julie Carey Julie Carey Colleague at Mainsail GroupWestford, Massachusetts, United States View →
2 education records

Douglas Derienze education

FAQ

Frequently asked questions about Douglas Derienze

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

What company does Douglas Derienze work for?

Douglas Derienze works for MAINSAIL Group.

What is Douglas Derienze's role at MAINSAIL Group?

Douglas Derienze is listed as Security Manager at MAINSAIL Group.

What is Douglas Derienze's email address?

AeroLeads has found 1 work email signal at @mainsailgroupinc.com for Douglas Derienze at MAINSAIL Group.

Where is Douglas Derienze based?

Douglas Derienze is based in Greater Boston, United States while working with MAINSAIL Group.

What companies has Douglas Derienze worked for?

Douglas Derienze has worked for Mainsail Group, Constellis, General Dynamics Information Technology, Caci, and Keypoint Government Solutions.

Who are Douglas Derienze's colleagues at MAINSAIL Group?

Douglas Derienze's colleagues at MAINSAIL Group include Cleveland Turner, Michael Brown, Wade Ward, Paul Levasseur, and Gia Harrigan.

How can I contact Douglas Derienze?

You can use AeroLeads to view verified contact signals for Douglas Derienze at MAINSAIL Group, including work email, phone, and LinkedIn data when available.

What schools did Douglas Derienze attend?

Douglas Derienze holds Certificate, Paralegal from Boston University.

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