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Jonathan Klein Email & Phone Number

Protecting Networks & Critical Systems | 20+ Years Experience in Incident Response, Network Security, & Threat Hunting | Helping Organizations Safeguard What Matters Most at Naval Postgraduate School
Location: San Francisco Bay Area, United States, United States 15 work roles 5 schools
1 work email found @nasa.gov 2 phones found area 408 and 888 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@nasa.gov
Direct phone (408) ***-****
LinkedIn Profile matched
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Current company
Role
Protecting Networks & Critical Systems | 20+ Years Experience in Incident Response, Network Security, & Threat Hunting | Helping Organizations Safeguard What Matters Most
Location
San Francisco Bay Area, United States, United States

Who is Jonathan Klein? Overview

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Quick answer

Jonathan Klein is listed as Protecting Networks & Critical Systems | 20+ Years Experience in Incident Response, Network Security, & Threat Hunting | Helping Organizations Safeguard What Matters Most at Naval Postgraduate School, based in San Francisco Bay Area, United States, United States. AeroLeads shows a work email signal at nasa.gov, phone signal with area code 408, 888, and a matched LinkedIn profile for Jonathan Klein.

Jonathan Klein previously worked as Information Security Analyst at San José - Evergreen Community College District and Senior Cyber Defense Analyst at Nasa - National Aeronautics And Space Administration. Jonathan Klein holds Ba, Communications from University Of Southern California.

Company email context

Email format at Naval Postgraduate School

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{first_initial}{last}@nasa.gov
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AeroLeads found 1 current-domain work email signal for Jonathan Klein. Compare company email patterns before reaching out.

Profile bio

About Jonathan Klein

Over the past 20 years, I have implemented, reviewed, used, and evaluated systems for organizations as large as 30,000 employees in the government and private sectors covering up to 5 continents. Over that time, I researched extensively how threat actors would successfully compromise systems, areas of operations with their offensive strategy, assets, capabilities, and mission objectives.I reported impact of the potential breaches and attacks to highly ranked Army leaders and company executives. I would recommend courses of actions to ensure the confidentiality, integrity, availability of infrastructure systems and delivery of services to employees, soldiers, civilians, and customers resulting in the Army training up to 7,000 military personnel from 5 Allied nations to private companies expanding up to 3 data centers and 12 company offices.I served as a US Army Officer from 2000-2007 and have been a Network Engineer over 10+ years supporting companies with various company objectives and workforce populations with an emphasis and priority in security.I have a passion for Information Security as I have achieved my CompTIA Security+ and GIAC Certified Enterprise Defender (GCED) certifications in under the past 2 years. I am currently pursuing the eLearnSecurity Certified Threat Hunting Professional (eCTHP) certification.Certifications Achieved:Cisco Certified Network Professional (CCNP)Cisco Certified Design Professional (CCDP)Cisco Certified Network Associate - Security (CCNA-Security)Cisco Certified Design Associate (CCDA)Cisco Certified Network Associate (CCNA)Microsoft Certified Professional (MCP)

Listed skills include Networking, Network Engineering, Technical Support, Leadership, and 46 others.

Current workplace

Jonathan Klein's current company

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Naval Postgraduate School
Naval Postgraduate School
Protecting Networks & Critical Systems | 20+ Years Experience in Incident Response, Network Security, & Threat Hunting | Helping Organizations Safeguard What Matters Most
California, United States
AeroLeads page
15 roles

Jonathan Klein work experience

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

Network Engineer

Sacramento, California, US

Contracted through Bayside Solutions

Jun 2012 - Nov 2012

Network Engineer

San Jose, CA, US

Contracted through TEKSystems

Dec 2011 - May 2012

Network Engineer

San Francisco, California, US

Contracted through Technisource (now Randstad Technologies)

Jul 2011 - Aug 2011

Network Engineer

Santa Clara, California, US

Jan 2009 - Apr 2011

Information Technology Manager, 69Th Signal Battalion

Arlington, Virginia, US

Sep 2004 - Sep 2007

Field Artillery Officer, 1St Battalion, 5Th Field Artillery

Arlington, Virginia, US

May 2000 - Apr 2004

Information Operations Officer, Combined Joint Task Force-Horn Of Africa

Arlington, Virginia, US

May 2003 - Dec 2003
5 education records

Jonathan Klein education

Ba, Communications

University Of Southern California

Python Programming

Mission College

Cnet 173 Ethical Hacking

Ohlone College

Vmware Vsphere Esx 5.1 Icm

Ohlone College

Ccna Certificate, Cisco

Techskills
FAQ

Frequently asked questions about Jonathan Klein

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

What company does Jonathan Klein work for?

Jonathan Klein works for Naval Postgraduate School.

What is Jonathan Klein's role at Naval Postgraduate School?

Jonathan Klein is listed as Protecting Networks & Critical Systems | 20+ Years Experience in Incident Response, Network Security, & Threat Hunting | Helping Organizations Safeguard What Matters Most at Naval Postgraduate School.

What is Jonathan Klein's email address?

AeroLeads has found 1 work email signal at @nasa.gov for Jonathan Klein at Naval Postgraduate School.

What is Jonathan Klein's phone number?

AeroLeads has found 2 phone signal(s) with area code 408, 888 for Jonathan Klein at Naval Postgraduate School.

Where is Jonathan Klein based?

Jonathan Klein is based in San Francisco Bay Area, United States, United States while working with Naval Postgraduate School.

What companies has Jonathan Klein worked for?

Jonathan Klein has worked for Naval Postgraduate School, San José - Evergreen Community College District, Nasa - National Aeronautics And Space Administration, Barracuda (Nyse: Cuda), and Sutter Health.

How can I contact Jonathan Klein?

You can use AeroLeads to view verified contact signals for Jonathan Klein at Naval Postgraduate School, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Klein attend?

Jonathan Klein holds Ba, Communications from University Of Southern California.

What skills is Jonathan Klein known for?

Jonathan Klein is listed with skills including Networking, Network Engineering, Technical Support, Leadership, Management, Team Leadership, Ospf, and Vlan.

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