John Jeffers
AeroLeads people directory · profile

John Jeffers Email & Phone Number

Staff SRE at FusionAuth at FusionAuth
Location: Denver Metropolitan Area, United States, United States 10 work roles
1 work email found @apptio.com 4 phones found area 303 and 720 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 4 phones

Work email j****@apptio.com
Direct phone (303) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Staff SRE at FusionAuth
Location
Denver Metropolitan Area, United States, United States
Company size

Who is John Jeffers? Overview

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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
Fusionauth
Staff SRE at FusionAuth
denver, colorado, united states
Website
Employees
10
AeroLeads page
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

Boulder, CO

May 2018 - Oct 2020

Devops Engineer

Boulder, CO

Apr 2015 - May 2018

Sr. Systems Administrator

Troppus Software, An Echostar Corporation

Superior, CO

Jul 2011 - Dec 2014

Sr. Systems Administrator

Denver, CO

Sep 2008 - Jun 2011

Sr. Systems Administrator

Denver, CO

2004 - 2008 ~4 yrs

Sr. Systems Administrator

Community Mortgage Group Inc

Highlands Ranch, CO

2001 - 2004 ~3 yrs
Team & coworkers

Colleagues at FusionAuth

Other employees you can reach at fusionauth.io. View company contacts for 10 employees →

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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