Cyber Security Engineer
Current
Jan 2020 - Present
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Greg Madison Email & Phone Number
Cyber Security Engineer at OverDrive
at
OverDrive
LinkedIn matched
✓ Verified May 2026
2 data sources
Profile completeness 71%
Current company
Role
Cyber Security Engineer at OverDrive
Location
United States, United States, United States
Company size
Who is Greg Madison? Overview
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Quick answer
Greg Madison is listed as Cyber Security Engineer at OverDrive at OverDrive, a company with 375 employees, based in United States, United States, United States. AeroLeads shows a matched LinkedIn profile for Greg Madison.
Greg Madison previously worked as Cyber Security Engineer at Overdrive and Site Reliability Engineer at Overdrive.
Company email context
Email format at OverDrive
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OverDrive
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Profile bio
About Greg Madison
Seasoned practical enterprise security engineer, system administrator, and application developer, with experience ranging from ex-military Navy communications and encryption, hardened Linux systems for PCI-DSS v3 compliance for fraud prevention, to hardware development for remote and automated management of robotics and facilities. Focus with interests in InfoSec, Penetration Testing, and Data Management. Ethical hacker awarded OSCP certification from Offensive Security.
Current workplace
Greg Madison's current company
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Overdrive
9 roles
Greg Madison work experience
A career timeline built from the work history available for this profile.
Site Reliability Engineer
May 2018 - Dec 2019
Programmer / System Administrator
Jul 2015 - Apr 2018
It Director
Dec 2014 - Aug 2016
It Technician
Jul 2013 - Nov 2014
Data Support Specialist
Sep 2012 - May 2013
Repair Tech / Sales / It Tech
Oct 2004 - Aug 2012
Security Guard
Jul 2004 - Sep 2004
Electronics Technician
Jul 2001 - Jun 2004
Team & coworkers
Colleagues at OverDrive
Other employees you can reach at overdrive.com. View company contacts for 375 employees →
LZ
Lisa Zhang
Colleague at Overdrive
Chaoyang District, Beijing, China, China
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AA
Alicia Adams
Colleague at Overdrive
Akron, Ohio, United States, United States
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ML
Michael Lisa
Colleague at Overdrive
Cleveland, Ohio, United States, United States
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ES
Elizabeth Saxton
Colleague at Overdrive
Greater Cleveland, United States
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HT
Halley Turner
Colleague at Overdrive
Cleveland, Ohio, United States, United States
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MW
Monica Williams
Colleague at Overdrive
Pakenham South, Victoria, Australia, Australia
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MW
Megan Whitehead
Colleague at Overdrive
Cortland, Ohio, United States, United States
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ST
Shannon Thomas-Ziemnik
Colleague at Overdrive
Cleveland, Ohio, United States, United States
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LB
Lynn Bycko
Colleague at Overdrive
Cleveland, Ohio, United States, United States
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PK
Paul Kukucka
Colleague at Overdrive
Loveland, Ohio, United States, United States
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Lisa Zhang
Colleague at Overdrive
Chaoyang District, Beijing, China, China
View →
AA
Alicia Adams
Colleague at Overdrive
Akron, Ohio, United States, United States
View →
ML
Michael Lisa
Colleague at Overdrive
Cleveland, Ohio, United States, United States
View →
ES
Elizabeth Saxton
Colleague at Overdrive
Greater Cleveland, United States
View →
HT
Halley Turner
Colleague at Overdrive
Cleveland, Ohio, United States, United States
View →
MW
Monica Williams
Colleague at Overdrive
Pakenham South, Victoria, Australia, Australia
View →
MW
Megan Whitehead
Colleague at Overdrive
Cortland, Ohio, United States, United States
View →
ST
Shannon Thomas-Ziemnik
Colleague at Overdrive
Cleveland, Ohio, United States, United States
View →
LB
Lynn Bycko
Colleague at Overdrive
Cleveland, Ohio, United States, United States
View →
PK
Paul Kukucka
Colleague at Overdrive
Loveland, Ohio, United States, United States
View →
FAQ
Frequently asked questions about Greg Madison
Quick answers generated from the profile data available on this page.
What company does Greg Madison work for?
Greg Madison works for OverDrive.
What is Greg Madison's role at OverDrive?
Greg Madison is listed as Cyber Security Engineer at OverDrive at OverDrive.
Where is Greg Madison based?
Greg Madison is based in United States, United States, United States while working with OverDrive.
What companies has Greg Madison worked for?
Greg Madison has worked for Overdrive, True Interaction, The Gilbert School, Forman School, and Wittmann Usa.
Who are Greg Madison's colleagues at OverDrive?
Greg Madison's colleagues at OverDrive include Lisa Zhang, Alicia Adams, Michael Lisa, Elizabeth Saxton, and Halley Turner.
How can I contact Greg Madison?
You can use AeroLeads to view verified contact signals for Greg Madison at OverDrive, including work email, phone, and LinkedIn data when available.
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