Staff Sre
Current
Sep 2023 - Present
AeroLeads people directory · profile
John Jeffers Email & Phone Number
Staff SRE at FusionAuth
at
FusionAuth
1 work email found
@apptio.com
4 phones found area 303 and 720
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 86%
Current company
Role
Staff SRE at FusionAuth
Location
Denver Metropolitan Area, United States, United States
Company size
Who is John Jeffers? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Jeffers is listed as Staff SRE at FusionAuth at FusionAuth, a company with 10 employees, based in Denver Metropolitan Area, United States, United States. AeroLeads shows a work email signal at apptio.com, phone signal with area code 303, 720, and a matched LinkedIn profile for John Jeffers.
John Jeffers previously worked as Staff SRE at Fusionauth and Staff Engineer at Airdna.
Company email context
Email format at FusionAuth
This section adds company-level context without repeating John Jeffers's masked contact details.
{first_initial}{last}@apptio.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Jeffers. Compare company email patterns before reaching out.
Profile bio
About John Jeffers
Experienced engineer with over 20 years of systems administration & DevOps/SRE work. The roles I've held have allowed me to develop a wide skill set. Systems, networking, databases, development, cloud, containerization, virtualization, security... if it's part of IT, chances are I've worked on it.
Listed skills include Linux System Administration, System Administration, Devops, Amazon Web Services, and 52 others.
Current workplace
John Jeffers's current company
Company context helps verify the profile and gives searchers a useful next step.
Fusionauth
10 roles · 26 years
John Jeffers work experience
A career timeline built from the work history available for this profile.
Staff Engineer
Oct 2020 - Sep 2023
Staff Engineer
May 2018 - Oct 2020
Devops Engineer
Apr 2015 - May 2018
Infrastructure Administrator
Dec 2014 - Apr 2015
Sr. Systems Administrator
Troppus Software, An Echostar Corporation
Jul 2011 - Dec 2014
Sr. Systems Administrator
Sep 2008 - Jun 2011
Sr. Systems Administrator
2004 - 2008
~4 yrs
Sr. Systems Administrator
Community Mortgage Group Inc
2001 - 2004
~3 yrs
Sr. Systems Engineer
2000 - 2001
~1 yr
Team & coworkers
Colleagues at FusionAuth
Other employees you can reach at fusionauth.io. View company contacts for 10 employees →
JR
Justin Russell
Colleague at Fusionauth
Rehoboth Beach, Delaware, United States, United States
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JH
Jaret Hendrickson
Colleague at Fusionauth
Middleton, Wisconsin, United States, United States
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KL
Kahlil Lewis
Colleague at Fusionauth
Greater Phoenix Area, United States
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SJ
Stacy Justis
Colleague at Fusionauth
Lone Tree, Colorado, United States, United States
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LM
Lucas Morris
Colleague at Fusionauth
Broomfield, Colorado, United States, United States
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HO
Hayley O.
Colleague at Fusionauth
Denver, Colorado, United States, United States
View →
JC
Josh Carter
Colleague at Fusionauth
Denver, Colorado, United States, United States
View →
MO
Michael Okam, Msd
Colleague at Fusionauth
Charlotte Metro, United States
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KH
Kirsten Hunter
Colleague at Fusionauth
Santa Cruz, California, United States, United States
View →
CY
Cherry Yang
Colleague at Fusionauth
Lakewood, Ohio, United States, United States
View →
Justin Russell
Colleague at Fusionauth
Rehoboth Beach, Delaware, United States, United States
View →
JH
Jaret Hendrickson
Colleague at Fusionauth
Middleton, Wisconsin, United States, United States
View →
KL
Kahlil Lewis
Colleague at Fusionauth
Greater Phoenix Area, United States
View →
SJ
Stacy Justis
Colleague at Fusionauth
Lone Tree, Colorado, United States, United States
View →
LM
Lucas Morris
Colleague at Fusionauth
Broomfield, Colorado, United States, United States
View →
HO
Hayley O.
Colleague at Fusionauth
Denver, Colorado, United States, United States
View →
JC
Josh Carter
Colleague at Fusionauth
Denver, Colorado, United States, United States
View →
MO
Michael Okam, Msd
Colleague at Fusionauth
Charlotte Metro, United States
View →
KH
Kirsten Hunter
Colleague at Fusionauth
Santa Cruz, California, United States, United States
View →
CY
Cherry Yang
Colleague at Fusionauth
Lakewood, Ohio, United States, United States
View →
FAQ
Frequently asked questions about John Jeffers
Quick answers generated from the profile data available on this page.
What company does John Jeffers work for?
John Jeffers works for FusionAuth.
What is John Jeffers's role at FusionAuth?
John Jeffers is listed as Staff SRE at FusionAuth at FusionAuth.
What is John Jeffers's email address?
AeroLeads has found 1 work email signal at @apptio.com for John Jeffers at FusionAuth.
What is John Jeffers's phone number?
AeroLeads has found 4 phone signal(s) with area code 303, 720 for John Jeffers at FusionAuth.
Where is John Jeffers based?
John Jeffers is based in Denver Metropolitan Area, United States, United States while working with FusionAuth.
What companies has John Jeffers worked for?
John Jeffers has worked for Fusionauth, Airdna, Apptio, Tendril, and Door To Door Organics.
Who are John Jeffers's colleagues at FusionAuth?
John Jeffers's colleagues at FusionAuth include Justin Russell, Jaret Hendrickson, Kahlil Lewis, Stacy Justis, and Lucas Morris.
How can I contact John Jeffers?
You can use AeroLeads to view verified contact signals for John Jeffers at FusionAuth, including work email, phone, and LinkedIn data when available.
What skills is John Jeffers known for?
John Jeffers is listed with skills including Linux System Administration, System Administration, Devops, Amazon Web Services, Linux, Centos, Red Hat Linux, and Apache Mesos.
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