Mark Sowell
AeroLeads people directory · profile

Mark Sowell Email & Phone Number

Lead Penetration Tester at Check Point Software
Location: Denver Metropolitan Area, United States 9 work roles 3 schools
2 work emails found @checkpoint.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails

Work email m****@checkpoint.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Lead Penetration Tester
Location
Denver Metropolitan Area, United States
Company size

Who is Mark Sowell? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Mark Sowell is listed as Lead Penetration Tester at Check Point Software, a with 8221 employees, based in Denver Metropolitan Area, United States. AeroLeads shows a work email signal at checkpoint.com and a matched LinkedIn profile for Mark Sowell.

Mark Sowell previously worked as Application Security Consultant at Zoom and Penetration Tester at Check Point Software Technologies Ltd. Mark Sowell holds Aerospace/Professional Pilot, Mathematics from Middle Tennessee State University (Mtsu).

Company email context

Email format at Check Point Software

This section adds company-level context without repeating Mark Sowell's masked contact details.

{first_initial}{last}@checkpoint.com
92% confidence

AeroLeads found 2 current-domain work email signals for Mark Sowell. Compare company email patterns before reaching out.

Profile bio

About Mark Sowell

I am an experienced penetration tester, application security consultant, cybersecurity expert, and ethical hacker, currently part of the Cyber Resilience Team at Check Point. I spend my days performing penetration tests and application security consulting for organizations around the world. My goal is to help clients strengthen their security posture through comprehensive testing and detailed reports.I specialize in external, internal, and application penetration testing across both the public and private sectors. My focus is on application security in the following areas:Web applicationsMobile applicationsDesktop applicationsAPIs, SDKs, and Web ServicesCloud applicationsMicroservices and containerized applicationsServerless applicationsOver the years, I have developed extensive experience in orchestrating comprehensive security assessments for a diverse range of applications and cultivated expertise in:Strategic LeadershipConsultingMentorshipCollaborationRemediationComprehensive Security AssessmentsI am passionate about strengthening the security posture of applications, constantly evolving my techniques to stay ahead of emerging threats, and ensuring the highest standards of application security.With over 19 years of experience, I have a proven track record of delivering successful projects for hundreds of large organizations in diverse industries. My background includes extensive experience in the design, implementation, and optimization of leading security solutions worldwide. My expertise spans network, security, applications, and systems, built through network and systems engineering roles at multiple ISPs, MSPs, security vendors, and data center providers.I currently hold the following certifications: CEH (Master), CCSM Elite, CCPE-I, CCPE-W, CPSA, CCTE, CCTA, CCPA, CCES, CCAS, CCSBMSE, CCSBA, CCSBA-AGENT, CCSM, CCVSA, CCSA, CCSE, CCNA, CWNA, Security+ and more. My interests include penetration testing, application security, consulting, red teaming, cybersecurity research, development, IoT, information security, and ethical hacking.

Listed skills include Firewalls, Data Center, Cisco Technologies, Dns, and 16 others.

Current workplace

Mark Sowell's current company

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

Check Point Software
Check Point Software
Lead Penetration Tester
Denver, CO, US
Website
Employees
8221
AeroLeads page
9 roles · 22 years

Mark Sowell work experience

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

Application Security Consultant

Current

San Jose, Ca, Us

Jul 2022 - Present

Penetration Tester

Current

Redwood City, California, Us

Lead Penetration Tester for the Americas.- Scoping prospective engagements, leading engagements from kickoff through remediation, and mentoring less experienced staff.- Perform external, internal, and application penetration tests.- Perform vulnerability assessments.- Create detailed reports with executive summaries, risk levels, technical findings, proof of concept screenshots, and remediation steps.- Present reports to both technical and executive audiences.- Use tools including Nessus Professional, Burp Suite Professional, Kali Linux, Nmap, Metasploit, and many more.- Building infrastructure to perform penetration tests using VMware, Azure, AWS, Digital Ocean, Docker, Linux, etc.- Familiar with exploits and tools written in many different programming languages including Python, Javascript, Ruby, Go, Rust, and more.- Use of shell scripting, APIs, and automation of simple tasks using bash, PowerShell, Python, Ansible, Postman, and other tools.- Proxy and reverse proxy setup and use; Traefik, Squid, and cloud services.- Ability to quickly learn and test new technologies.

Jan 2021 - Present

Professional Services Consultant

Redwood City, California, Us

Specialties: Cyber Security, Network Security, Application Security, Endpoint Security, Design, Implementation, Optimization, Support, Security Services, Training & Certification, Life Cycle Management, and ConsultingCheck Point Software Technologies is the worldwide leader in securing the Internet. Making Internet communications and critical data secure, reliable and available everywhere has been and continues to be our ongoing vision. We are committed to staying focused on real customer needs and to developing new and innovative security solutions that redefine the security landscape. Check Point secures the future with industry leading security products for Threat Prevention, Mobility, Firewalls, Security Management and more.We secure over 100,000 organizations, from small leaders to the giants of the world, including 100% of Fortune 100 firms and 98% of the Fortune 500. They trust us to secure their most complex and sensitive environments, relying on our world class security technologies that continually raise the bar. Check Point offers a complete security architecture defending enterprises’ networks to mobile devices, in addition to the most comprehensive and intuitive security management.

Nov 2015 - Jan 2022

Senior Network Engineer

Wayne, Pa, Us

Specialties: Colocation, Business Continuity, Cloud, Disaster Recovery, and Managed Services.Sungard Availability Services is a leading provider of critical production and recovery services to global enterprise companies. At Sungard Availability Services, we design, build, and run production environments that are resilient and available 24/7. Sungard AS has a global footprint with more than 40 enterprise-class data centers in North America and Europe. Our secure facilities are audited to SSAE 16 Type II and certified to the ISO 20000-1 standard. Services are backed by a diverse carrier network with Tier 1 ISPs, ensuring high availability. Managed network services are provided by experts who know how to maintain your specific network – no matter how complex.We have a diverse group of over 9,000 customers. Over half of our customers are small and medium enterprises, and more than 70 percent of Fortune 100 companies rely on our services. Financial services, manufacturing, retail, healthcare, and business services industries are heavily represented; plus, we have significant customers from the transportation, telecommunications, utilities, and government verticals.

Jan 2012 - Nov 2015

Solutions Engineer Ii

Greenwood Village, Colorado, Us

Specialties: ISP, Hosting, Colocation, Business Continuity, Cloud, and Managed Services.ViaWest is a leading provider of hybrid cloud and colocation solutions in North America. At 30 data centers serving over 1,400 customers and growing, ViaWest is focused on providing customers with Hybrid IT solutions delivered through local teams and facilities that are built to ensure the availability of your data and applications. ViaWest offers over 800,000 square feet of raised floor capacity in the most state of the art, reliable enterprise-class data centers backed by an industry-leading 100% power and network uptime commitment.ViaWest offers a full-suite of IT services, from colocation and managed network services, to IT consulting; and as a result, we have the flexibility to meet your needs now and in the future.

Mar 2010 - Dec 2011

Systems Engineer

Denver, Colorado, Us

Supported corporate network and system infrastructure as well as remote locations across the United States, Mexico, and the Caribbean.

2009 - 2010 ~1 yr

It Services Manager

Csi

Manager of IT services. Designed and implemented websites, networks, servers, wireless, VoIP, security, and end user systems.

2006 - 2009 ~3 yrs

Web Developer

Self-Employed

Created websites based on several e-commerce, forum, and revenue generating platforms.

2005 - 2006 ~1 yr
Team & coworkers

Colleagues at Check Point Software

Other employees you can reach at checkpoint.com. View company contacts for 8221 employees →

3 education records

Mark Sowell education

Aerospace/Professional Pilot, Mathematics

Middle Tennessee State University (Mtsu)

Professional Aeronautics

Embry-Riddle Aeronautical University

Mathematics

The University Of Memphis
FAQ

Frequently asked questions about Mark Sowell

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

What company does Mark Sowell work for?

Mark Sowell works for Check Point Software.

What is Mark Sowell's role at Check Point Software?

Mark Sowell is listed as Lead Penetration Tester at Check Point Software.

What is Mark Sowell's email address?

AeroLeads has found 2 work email signals at @checkpoint.com for Mark Sowell at Check Point Software.

Where is Mark Sowell based?

Mark Sowell is based in Denver Metropolitan Area, United States while working with Check Point Software.

What companies has Mark Sowell worked for?

Mark Sowell has worked for Check Point Software, Zoom, Check Point Software Technologies Ltd, Sungard Availability Services, and Viawest.

Who are Mark Sowell's colleagues at Check Point Software?

Mark Sowell's colleagues at Check Point Software include Cristobal Johnson, Pauline Brusset, Matt Rossiter, Cissp, Ahmad Mansour, and Luz Renteria.

How can I contact Mark Sowell?

You can use AeroLeads to view verified contact signals for Mark Sowell at Check Point Software, including work email, phone, and LinkedIn data when available.

What schools did Mark Sowell attend?

Mark Sowell holds Aerospace/Professional Pilot, Mathematics from Middle Tennessee State University (Mtsu).

What skills is Mark Sowell known for?

Mark Sowell is listed with skills including Firewalls, Data Center, Cisco Technologies, Dns, Virtualization, Windows Server, Routing, and Vmware.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.