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Jon Lusky Email & Phone Number

Head of Information Technology - Senior Director at Phosphorus Cybersecurity Inc.
Location: Atlanta, Georgia, United States 11 work roles 3 schools
1 work email found @phosphorus.io 6 phones found area 404, 703, and 844 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email j****@phosphorus.io
Direct phone (404) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Head of Information Technology - Senior Director
Location
Atlanta, Georgia, United States
Company size

Who is Jon Lusky? Overview

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Quick answer

Jon Lusky is listed as Head of Information Technology - Senior Director at Phosphorus Cybersecurity Inc., a company with 64 employees, based in Atlanta, Georgia, United States. AeroLeads shows a work email signal at phosphorus.io, phone signal with area code 404, 703, 844, and a matched LinkedIn profile for Jon Lusky.

Jon Lusky previously worked as Senior Director - Head of IT at Phosphorus Cybersecurity Inc. and Director of IT - Head of IT, Business Systems, and Security at Grayshift. Jon Lusky holds Mechanical Engineering from The University Of Texas At Austin.

Company email context

Email format at Phosphorus Cybersecurity Inc.

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{first_initial}{last}@phosphorus.io
89% confidence

AeroLeads found 1 current-domain work email signal for Jon Lusky. Compare company email patterns before reaching out.

Profile bio

About Jon Lusky

****** NOTE: I am **NOT** looking for new IT vendors, outside recruiters, offshore resources, financial planners, contract developers. I will ignore your InMail AND not delete it, so that it counts against your monthly allocation. If you email me repeatedly, I will block your domain at our mail servers. ******Recent focus: Technology Leadership, Salesforce, Entra ID, Okta, AWS, custom integration of SaaS applications, Security & Compliance, supporting Agile developers and technical and non-technical staff.My mission is to provide technology resources to enable employees and Agile teams to be successful and the business to drive revenue. I am a strategic problem-solver and builder of innovative solutions and teams. My superpower is fixing things that I’ve never seen before. My ability to rapidly master new technology and applications plus my extensive wide and deep experience gives technology capabilities to growth-stage startups that are on par with large enterprise, without the large enterprise headcount, implementation time, and budget. I am a champion of “perfect is the enemy of good” and collaborate with business and technical leaders across the organization to develop solutions that bring massive value to their teams without getting hung up on small-value requirements that would dictate massive additional costs.Specialties: Building integrations that span multiple systems, AWS, Entra ID, Microsoft 365, Google Workspace, Salesforce, custom integration of SaaS applications, Linux/UNIX and Windows administration, host and network security, routing and switching, firewalls, EDR, PowerShell & bash scripting, Windows/AD and OpenSSL PKI, SAML SSO (Azure and Okta), Elasticsearch, S/MIME email encryption, SDLC, Slack, Zoom, Jamf Pro, WordPress, ITSM.Previous experience: I built security products, made them work, got them out the door, and made the customer happy. My main focus was writing and fixing code, but I was a key contributor in all aspects of the product lifecycle including product definition, prototyping, development, testing, fulfillment, and support. I had code in everything from the BIOS/Bootloader to Web UI--true full stack!

Listed skills include Network Security, Linux, Firewalls, Security, and 51 others.

Current workplace

Jon Lusky's current company

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Phosphorus Cybersecurity Inc.
Phosphorus Cybersecurity Inc.
Head of Information Technology - Senior Director
Atlanta, GA, US
Website
Employees
64
AeroLeads page
11 roles

Jon Lusky work experience

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

Director Of It - Head Of It, Business Systems, And Security

Roswell, GA, US

If it had a power cord or a password, we bought, built, secured, managed and maintained it for the company. As the founding member of the Grayshift IT team, I consolidated IT responsibilities that were spread across the company founders and line of business leaders, performed every role in IT myself at some point, and built an awesome team, processes.

Jan 2020 - Aug 2023

Senior Manager, It

San Francisco, California, US

Elastic acquired Endgame in October 2019.

Oct 2019 - Dec 2019

It Director - Head Of It, Purchasing, And Security

Arlington, VA, US

As the founding member of the Endgame IT team, I consolidated IT responsibilities that were spread across the company founders, performed every role in IT myself at some point, and built a team, processes, policies, and infrastructure to support the company through their rapid growth from 25 employees to over 200.Managed a distributed IT staff, plus.

Jan 2010 - Oct 2019

Chief Technology Officer

Roswell, GA, US

Developed prototype UTM product, but was unable to obtain sufficient funding to build production-quality product and take it to market.

Sep 2009 - Jan 2010

Advisory Software Engineer

Armonk, New York, NY, US

Built and maintained the Linux distribution and open-source components for network security appliance product lines. Assist with in-house firewall, driver, and proxy development. Review product definitions and architectural designs for both software and hardware. Provide 5th-level escalation support for other engineers.

Feb 2003 - Sep 2009

Lead Systems Administrator

Armonk, New York, NY, US

Lead system administrator for both corporate UNIX administration team and product development/testing labs.

Jun 2000 - Mar 2003

Quality Assurance Engineer

Internet Security Systems

Lead network engineer and systems administrator for all product development and testing machines.

Aug 1998 - Jun 2000

Director Of Network Operations

Voyager Online
Apr 1996 - Mar 1998
Team & coworkers

Colleagues at Phosphorus Cybersecurity Inc.

Other employees you can reach at phosphorus.io. View company contacts for 64 employees →

3 education records

Jon Lusky education

Mechanical Engineering

The University Of Texas At Austin

Computer Science

Middle Tennessee State University (Mtsu)

Education record

Battle Ground Academy
FAQ

Frequently asked questions about Jon Lusky

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

What company does Jon Lusky work for?

Jon Lusky works for Phosphorus Cybersecurity Inc..

What is Jon Lusky's role at Phosphorus Cybersecurity Inc.?

Jon Lusky is listed as Head of Information Technology - Senior Director at Phosphorus Cybersecurity Inc..

What is Jon Lusky's email address?

AeroLeads has found 1 work email signal at @phosphorus.io for Jon Lusky at Phosphorus Cybersecurity Inc..

What is Jon Lusky's phone number?

AeroLeads has found 6 phone signal(s) with area code 404, 703, 844 for Jon Lusky at Phosphorus Cybersecurity Inc..

Where is Jon Lusky based?

Jon Lusky is based in Atlanta, Georgia, United States while working with Phosphorus Cybersecurity Inc..

What companies has Jon Lusky worked for?

Jon Lusky has worked for Phosphorus Cybersecurity Inc., Grayshift, Elastic, Endgame, and Twistcore.

Who are Jon Lusky's colleagues at Phosphorus Cybersecurity Inc.?

Jon Lusky's colleagues at Phosphorus Cybersecurity Inc. include Catherine Choi, Daniel Craig, Eva Rouland, Ingram Hitt, and Akbar Khamidov.

How can I contact Jon Lusky?

You can use AeroLeads to view verified contact signals for Jon Lusky at Phosphorus Cybersecurity Inc., including work email, phone, and LinkedIn data when available.

What schools did Jon Lusky attend?

Jon Lusky holds Mechanical Engineering from The University Of Texas At Austin.

What skills is Jon Lusky known for?

Jon Lusky is listed with skills including Network Security, Linux, Firewalls, Security, Ips, Unix, Computer Security, and Networking.

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