John McDermott

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Armed Security Operative at MSA Security|New York, New York, United States

Position:

Armed Security Operative at MSA Security

Location:

New York, New York, United States

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Last updated: 2026-04-16
Updated: 2026-04-16

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Work Experience 42 years

Armed Security Operative at MSA Security

Mar 2025 - Current

Security Manager at GardaWorld

May 2024 - Mar 2025

Supervisor - Armed Security Operative at MSA Security

Mar 2024 - May 2024

Director of Security and Risk Management at HUTCH MANAGEMENT LLC

Apr 2014 - Oct 2023

Retired - Deputy Inspector at NYC Police Dept

Jul 1984 - May 2014

John McDermott started working in 1984, then the employee has changed 3 companies and 4 jobs. On average, John McDermott works for one company for 8 years 4 months.

Education

Undergraduate at John Jay College (CUNY)

Graduate at John Jay College (CUNY)

Frequently Asked Questions

What is John McDermott's email address?

SignalHire found a verified business email address for John McDermott: m**@aus.com.

What is John McDermott's phone number?

SignalHire found a verified phone number for John McDermott: +1-***-***-7326.

How do I contact John McDermott at MSA Security?

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What is John McDermott's professional background?

John McDermott has 42 years of professional experience. They have held roles including Security Manager, Supervisor - Armed Security Operative, and Director of Security and Risk Management at companies such as GardaWorld, MSA Security, and HUTCH MANAGEMENT LLC. Their education includes Undergraduate from John Jay College (CUNY), and Graduate from John Jay College (CUNY).

Is John McDermott's contact information up to date?

Yes. John McDermott's SignalHire profile was last updated on 16 April 2026, reflecting their current position as Armed Security Operative at MSA Security in New York, NY, United States.

John McDermott Namesakes

Name
Company
Position
John McDermott
Associate at SLA Executive Search
John McDermott
University of Maryland Department of Environmental Science and Technology
Teaching Assistant

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