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Michael Hennessey Email & Phone Number

Principal Security Engineer at Okta
Location: Raleigh-Durham-Chapel Hill Area, United States 8 work roles 2 schools
2 work emails found @metlife.com 2 phones found area 207 and 866 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 2 phones

Work email m****@metlife.com
Direct phone (207) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Principal Security Engineer
Location
Raleigh-Durham-Chapel Hill Area, United States
Company size

Who is Michael Hennessey? Overview

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Quick answer

Michael Hennessey is listed as Principal Security Engineer at Okta, a with 3306 employees, based in Raleigh-Durham-Chapel Hill Area, United States. AeroLeads shows a work email signal at metlife.com, phone signal with area code 207, 866, and a matched LinkedIn profile for Michael Hennessey.

Michael Hennessey previously worked as Principal Security Engineer at Metlife and Lead Enterprise Security Engineer at Metlife. Michael Hennessey holds Ms, Information Systems from University Of Maine.

Company email context

Email format at Okta

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{first_initial}{last}@metlife.com
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AeroLeads found 2 current-domain work email signals for Michael Hennessey. Compare company email patterns before reaching out.

Profile bio

About Michael Hennessey

With 10+ years of experience and a security first mindset, I architect holistic solutions to today's security challenges. Specializing in network, endpoint, and identity, my primary focus is on strategy and execution of answering the question "What comes next?"Focus Areas:Zero-Trust ArchitecturesDigital IdentityMobile Device ManagementCloud and Network Access (CASB/SASE)

Listed skills include Firewalls, Active Directory, Servers, Networking, and 33 others.

Current workplace

Michael Hennessey's current company

Company context helps verify the profile and gives searchers a useful next step.

Okta
Okta
Principal Security Engineer
san francisco, california, united states
Website
Employees
3306
AeroLeads page
8 roles

Michael Hennessey work experience

A career timeline built from the work history available for this profile.

Principal Security Engineer

Current

United States

Sep 2021 - Present

Principal Security Engineer

Aug 2019 - Sep 2021

Lead Enterprise Security Engineer

Raleigh-Durham, North Carolina Area

* Security consultant to multiple projects; identifying regulatory and best practice security requirements* Drives and oversees all efforts for consolidation and migration project of all global DHCP/DNS to Infoblox* Actively collaborates on cross-functional teams to design/implement new solutions for the global enterprise* Involved in multiple on-going initiatives pertaining to Network/Cloud Security at the enterprise level* Evaluates and advises on corporate security policies with Risk & Security and legal teams* Regularly confers on new security solutions and emerging industry standards with vested security teams and lines of business* Creates and reviews runbook documentation on new and existing infrastructure at both a high and low level design

Feb 2017 - Aug 2019

Senior Enterprise Security Engineer

Raleigh-Durham, North Carolina Area

* Architected and supports RADIUS services for global WPA2-Enterprise Wireless* Configures and maintains RSA Authentication manager to support global two-factor authentication for remote access.* Assists in configuring and testing SSL VPN Gateway and Citrix NetScaler authentication mechanisms.* Troubleshoots and configures TACACS+ authentication across multiple countries for both internal use as well as vendor support.* Identifies and remediates audit issues pertaining to PCI DSS and other international regulatory compliance audits.* Creates/reviews security plans to identify potential security gaps and correct issues found* Write internal documentation and "How-To" articles on various software platforms for administrative purposes* Produces scripts to securely automate data feeds between multiple platforms (servers, appliances, mainframe/RACF) allowing for regular ID management health checks.

Aug 2015 - Feb 2017

Information Security Engineer

Synernet, Inc.

Portland, Maine Area

* Configure/maintain firewall, network, and server equipment to support business needs* Perform regular access audits (Active Directory, firewall exceptions, perimeter and internal vulnerabilities).* Write/review security policies for internal employees and customers to ensure security best practices and HIPAA compliance* Create/review security plans to identify potential security gaps and correct issues found* Build and secure new VPN tunnels as needed to customer sites* Conduct and assess regular risk assessments/vulnerability scans to identify security risks* Work with business units to reduce vulnerabilities in multiple proprietary applications* Regularly write "Did you know?" and security awareness training articles for internal staff* Perform regular workstation and server patches* Review and address security alerts (IPS, SIEM, Anti-Virus)* Lead technician in discussion/implementation of multiple/DR datacenters for high availability and fault tolerance* Support customers and employees for tier 3 support issues

Oct 2013 - Aug 2015

Network Administrator

Synernet, Inc.

Portland, Maine Area

* Manage Active Directory/Group Policy configuration* Maintain/troubleshoot all tasks relating to the Citrix environment* Custom scripting/programming to automate tasks and increase efficiency* Maintain file/server backup system for information assurance* Regularly review proprietary software to identify ways for improvement* Maintain firewall and switching infrastructure to ensure highest network stability* Initiated discussion/implementation of multiple/DR datacenters for high availability and fault tolerance* Support customers and employees for tier 3 support issues

Jan 2010 - Oct 2013

Research Assitant

Bangor, Maine Area

* Lead programmer for University of Maine in designing prototype emergency management software for the Maine National Guard* Developed .NET web services (SOAP) to securely handle documented middleware requirements* Created and maintained MS-SQL Server databases* Focus on Object-Oriented Design and Rapid Application Development* Managed access rights for web service consumers

Jun 2009 - May 2010

Client Support Rep

* Acted as a single point of contact for all users of L.L. Bean Information Services to direct questions and report problems on technical issues.* Performed troubleshooting and administration of user rights and permissions.* Escalated problems to the appropriate staff for resolution with the goal of business resumption as quickly as possible.* Assisted in identifying trends and situations to allow L.L.Bean Information Services to maintain high levels of service to the user community. * Performed Over the Phone Technical Support to end-users* Acted as a Training Mentor for two (most recently) hired Client Support Reps* Performed Hands-On Troubleshooting/Physical Repair and Network Troubleshooting in the Bangor/Waterville Call Centers for Desktop Services* Developed a Central On-Going Problem Web Portal for internal Client Support use

May 2006 - Apr 2009
Team & coworkers

Colleagues at Okta

Other employees you can reach at okta.com. View company contacts for 3306 employees →

2 education records

Michael Hennessey education

Bachelor'S, Information System Engineering

Activities and Societies: Tau Beta Pi, Intramural Sports

FAQ

Frequently asked questions about Michael Hennessey

Quick answers generated from the profile data available on this page.

What company does Michael Hennessey work for?

Michael Hennessey works for Okta.

What is Michael Hennessey's role at Okta?

Michael Hennessey is listed as Principal Security Engineer at Okta.

What is Michael Hennessey's email address?

AeroLeads has found 2 work email signals at @metlife.com for Michael Hennessey at Okta.

What is Michael Hennessey's phone number?

AeroLeads has found 2 phone signal(s) with area code 207, 866 for Michael Hennessey at Okta.

Where is Michael Hennessey based?

Michael Hennessey is based in Raleigh-Durham-Chapel Hill Area, United States while working with Okta.

What companies has Michael Hennessey worked for?

Michael Hennessey has worked for Okta, Metlife, Synernet, Inc., University Of Maine, and L.L. Bean.

Who are Michael Hennessey's colleagues at Okta?

Michael Hennessey's colleagues at Okta include Dash D, Daniel Subirón, Andrew Fessel, Pmp, Eugene Mikhasyak, and Chloé Delaye.

How can I contact Michael Hennessey?

You can use AeroLeads to view verified contact signals for Michael Hennessey at Okta, including work email, phone, and LinkedIn data when available.

What schools did Michael Hennessey attend?

Michael Hennessey holds Ms, Information Systems from University Of Maine.

What skills is Michael Hennessey known for?

Michael Hennessey is listed with skills including Firewalls, Active Directory, Servers, Networking, Microsoft Sql Server, Cisco Technologies, Technical Support, and Network Security.

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