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Nathan Byrd Email & Phone Number
Staff Security Architect
at
Applied Systems
2 work emails found
@mastercard.com
3 phones found area 914
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Staff Security Architect
Location
Greater St. Louis, United States, United States
Company size
Who is Nathan Byrd? Overview
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Quick answer
Nathan Byrd is listed as Staff Security Architect at Applied Systems, a company with 29583 employees, based in Greater St. Louis, United States, United States. AeroLeads shows a work email signal at mastercard.com, phone signal with area code 914, and a matched LinkedIn profile for Nathan Byrd.
Nathan Byrd previously worked as Principal Application Security Architect at Mastercard and Principle Software Engineer at Mastercard. Nathan Byrd holds Bs/It, Information Technology from University Of Phoenix.
Company email context
Email format at Applied Systems
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{first}_{last}@mastercard.com
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AeroLeads found 2 current-domain work email signals for Nathan Byrd. Compare company email patterns before reaching out.
Profile bio
About Nathan Byrd
Technical leader in vulnerability management working with software composition analysis and static application security testing, bringing a development viewpoint to helping secure the SDLC. Former software development architect with over twenty years of experience with Internet, E-Commerce, Unix, and database projects. Direct experience with individual contributions as well as organizer, architect and mentor throughout all phases of the software development lifecycle.Specialties: SCA, SAST, Secure SDLC, security automation, Java, Spring, Hibernate/JPA, REST, Javascript, NodeJS, HTML, CSS, JSON, Perl, C++, Oracle, MySQL, Apache, UNIX/shell, application security, application performance, architecture design, and agile development
Listed skills include Java, Application Security, System Architecture, Agile, and 42 others.
Current workplace
Nathan Byrd's current company
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Applied Systems
8 roles · 15 years
Nathan Byrd work experience
A career timeline built from the work history available for this profile.
Principal Application Security Architect
CurrentPrincipal in the Vulnerability Management organization, leading efforts around integration, adoption, and remediation using Source Code Analysis (SCA) software (Synopsys Black Duck.) Mentoring a DevSecOps team building code, tooling and workflows around Static Application Security Testing (SAST) and Dynamic Application Security System (DAST) tools.
2022 - Present
~4 yrs 5 mos
Principle Software Engineer
Commercial Expense Reporting and Analytics (CERA)Collaborated with Information Security on selecting an SCA tool, supporting Security Champions, and shaping Mastercard’s Open-Source policy. Assisted with TRT responses and critical support, including Log4Shell remediation across CERA. Contributed to GDPR/RTBF implementations and implemented CSRF protection.
2015 - 2022
~7 yrs
Principal Software Engineer
Masterpass / OpenAPI (Developer Zone / Mastercard API)Delivered Active-Active multi-datacenter capability with Open API (now API Gateway) and assisted in rewriting server-side components to RESTful APIs. Developed security solutions for Cross Site Request Forgery (CSRF) protection and secure web component embedding for third-party sites. Led integration of.
2013 - 2015
~2 yrs
Senior Software Engineer
Mastercard LabsManaged Mastercard Labs infrastructure setup, maintenance, and application deployments for multiple production pilots. Maintained Labs internal tools, (Jira, Confluence, Bamboo, Subversion, and GIT) and created pilot infrastructure with JBoss and Apache. Developed software for several Labs’ prototypes and pilots using Groovy and Grails.
2012 - 2015
~3 yrs
Senior Software Engineer
OpenAPI / Mastercard DevZoneAs the technical lead for the initial release of MasterCard's Open API platform components, I guided architecture decisions, mentored the team, and ensured project milestones were met. I created system design documentation, worked with emerging technologies like OAuth, and set up application environments, including source.
2011 - 2012
~1 yr
Senior Software Engineer
Value Added ServicesLed and contributed to multiple high-profile projects for Smart Data Next Generation (SDNG) and Smart Data Online (SDOL), including customer-specific Single Sign-On (SSO) implementations, PCI compliance initiatives, and federated SSO integrations. Spearheaded the technical architecture of SDOL and the Global Data Repository (GDR).
Sep 2000 - 2011
Consultant
Consultant to MasterCard performing web application development with Perl, C++, HTML, Javascript, BEA Tuxedo, Oracle and Apache prior to switching to an employee position.
Mar 2000 - Sep 2000
Team & coworkers
Colleagues at Applied Systems
Other employees you can reach at mastercard.com. View company contacts for 29583 employees →
JV
Jaime Valenzuela
Colleague at Applied SystemsMissouri, United States, United States
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DP
Devendra Parjapati
Colleague at Applied SystemsUttar Pradesh, India, India
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KA
Kobi Aki
Colleague at Applied SystemsTel Aviv-Yafo, Tel Aviv District, Israel, Israel
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JC
Jason Chang
Colleague at Applied SystemsUnited States, United States
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VV
Viduranga Vi
Colleague at Applied SystemsSri Lanka, Sri Lanka
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JG
James Gee Ng Fey
Colleague at Applied SystemsShanghai, Shanghai, China, China
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KL
Kendra Lawrence
Colleague at Applied SystemsWashington, District Of Columbia, United States, United States
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HS
Himali Singh
Colleague at Applied SystemsNew York, United States, United States
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SK
Saket Kumar
Colleague at Applied SystemsPune, Maharashtra, India, India
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VG
Vijay Gupta
Colleague at Applied SystemsBhopal, Madhya Pradesh, India, India
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Jaime Valenzuela
Colleague at Applied SystemsMissouri, United States, United States
View →
DP
Devendra Parjapati
Colleague at Applied SystemsUttar Pradesh, India, India
View →
KA
Kobi Aki
Colleague at Applied SystemsTel Aviv-Yafo, Tel Aviv District, Israel, Israel
View →
JC
Jason Chang
Colleague at Applied SystemsUnited States, United States
View →
VV
Viduranga Vi
Colleague at Applied SystemsSri Lanka, Sri Lanka
View →
JG
James Gee Ng Fey
Colleague at Applied SystemsShanghai, Shanghai, China, China
View →
KL
Kendra Lawrence
Colleague at Applied SystemsWashington, District Of Columbia, United States, United States
View →
HS
Himali Singh
Colleague at Applied SystemsNew York, United States, United States
View →
SK
Saket Kumar
Colleague at Applied SystemsPune, Maharashtra, India, India
View →
VG
Vijay Gupta
Colleague at Applied SystemsBhopal, Madhya Pradesh, India, India
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1 education record
Nathan Byrd education
FAQ
Frequently asked questions about Nathan Byrd
Quick answers generated from the profile data available on this page.
What company does Nathan Byrd work for?
Nathan Byrd works for Applied Systems.
What is Nathan Byrd's role at Applied Systems?
Nathan Byrd is listed as Staff Security Architect at Applied Systems.
What is Nathan Byrd's email address?
AeroLeads has found 2 work email signals at @mastercard.com for Nathan Byrd at Applied Systems.
What is Nathan Byrd's phone number?
AeroLeads has found 3 phone signal(s) with area code 914 for Nathan Byrd at Applied Systems.
Where is Nathan Byrd based?
Nathan Byrd is based in Greater St. Louis, United States, United States while working with Applied Systems.
What companies has Nathan Byrd worked for?
Nathan Byrd has worked for Applied Systems, Mastercard, and Bradford & Galt.
Who are Nathan Byrd's colleagues at Applied Systems?
Nathan Byrd's colleagues at Applied Systems include Jaime Valenzuela, Devendra Parjapati, Kobi Aki, Jason Chang, and Viduranga Vi.
How can I contact Nathan Byrd?
You can use AeroLeads to view verified contact signals for Nathan Byrd at Applied Systems, including work email, phone, and LinkedIn data when available.
What schools did Nathan Byrd attend?
Nathan Byrd holds Bs/It, Information Technology from University Of Phoenix.
What skills is Nathan Byrd known for?
Nathan Byrd is listed with skills including Java, Application Security, System Architecture, Agile, Maven, Swing, Hibernate, and Jboss.
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