John Vance: Email & Phone Number

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Security Operations Manager at Marksman Security|Trenton, South Carolina, United States

Position:

Security Operations Manager at Marksman Security

Location:

Trenton, South Carolina, United States

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Last updated: 2025-10-15

Updated: 2025-10-15

Found email addresses for John Vance:

Business emails:

v***n@marksmansecurity.com

Personal emails:

j***@sis.us,

j***@g4s.com,

v***@hotmail.com

Found phones for John Vance:

+1-909-***-**89,

+1-520-***-**30,

+1-623-***-**36,

+1-205-***-**92

A different John Vance?

Work Experience 9 years

Security Operations Manager at Marksman Security

Training Coordinator at Marksman Security

Aug 2024 - Oct 2024

Assistant Security Operations Supervisor at Marksman Security

Aug 2023 - Aug 2024

Security Officer at G4S

Jun 2016 - Nov 2019

Security Officer at Security Industry Specialists

Oct 2015 - Jun 2016

John Vance started working in 2015, then the employee has changed 3 companies and 3 jobs. On average, John Vance works for one company for 1 year 4 months.

Frequently Asked Questions

What is John Vance's email address?

SignalHire found verified email addresses for John Vance, both business and personal. Their business email is v***n@marksmansecurity.com, and personal emails include j***@sis.us, j***@g4s.com, and v***@hotmail.com.

What is John Vance's phone number?

SignalHire found multiple verified phone numbers for John Vance: +1-909-***-**89, +1-520-***-**30, and +1-623-***-**36.

How do I contact John Vance at Marksman Security?

You can reach John Vance through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Vance's professional background?

John Vance has 9 years of professional experience. They have held roles including Training Coordinator, Assistant Security Operations Supervisor, and Security Officer at companies such as Marksman Security, Marksman Security, and G4S.

Is John Vance's contact information up to date?

Yes. John Vance's SignalHire profile was last updated on 15 October 2025, reflecting their current position as Security Operations Manager at Marksman Security in Fort Lauderdale, Florida, United States.

John Vance Namesakes

Name

Company

Position

John Vance

Shippensburg University of Pennsylvania

Residence Hall Director

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John Vance

Resource Financial Group, Ltd.

Wealth Management Intern

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John Vance

MTech Aerospace

Principal Structural Analysis Engineer

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