John Jefferis

John Jefferis's email & phone

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Sprinkler Service Manager at Fire Systems|McDonough, Georgia, United States

Position:

Sprinkler Service Manager at Fire Systems

Location:

McDonough, Georgia, United States

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Last updated: 2026-04-13
Updated: 2026-04-13

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Work Experience 19 years

Sprinkler Service Manager at Fire Systems

Apr 2024 - Current

Inspection and Backflow Manager at Metro Fire Equipment

Jan 2016 - Apr 2024

Technician at Cintas

Mar 2015 - Dec 2015

Technician at Sun Devil Fire Equipment, Inc.

May 2007 - Mar 2015

John Jefferis started working in 2007, then the employee has changed 3 companies and 2 jobs. On average, John Jefferis works for one company for 4 years 9 months.

Education

General studies at Feather River Community College District

Silver Stage High School

Frequently Asked Questions

What is John Jefferis's minimum period of employment in the companies?

John Jefferis's minimum period of employment in various companies is 9 months.

What is John Jefferis's average duration of employment for different companies?

On average, John Jefferis works for one company for 5 years 7 months

What industries has John Jefferis worked in?

John Jefferis works in the Facilities Services.

What positions has John Jefferis held before?

Previously, John Jefferis worked as a Inspection and Backflow Manager, and Technician.

How do I contact John Jefferis?

John Jefferis's phone number is +1-***-***-3093. Sign up to get contact details.

Who are John Jefferis's peers at other companies?

John Jefferis's peers at other companies are Chance McCollister and Eric Beckman and Jerrame wood

John Jefferis Namesakes

Name
Company
Position

Other employees at Fire Systems

Name
Company
Position
Chris Herrington
Fire Sprinkler Development & Training Manager
Tito Harris
Fire alarm/special hazards technician

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