Bill Marquette
Principal Application Security Engineer
Cocoa, Florida, United States
Summary
👤
Senior🎓
Top SchoolBill Marquette is a Principal Application Security Engineer with over 17 years of hands-on experience bridging defensive network architecture and offensive red-team operations to deliver measurable business risk reduction. He has led global application security teams, revamped pentesting programs, and presented high-impact findings to executive audiences while mentoring junior consultants and shaping pre-sales scoping. Bill’s background in network engineering and firewall platform optimization informs his ability to exploit and remediate complex multi-tier, cloud, and CI/CD environments, and he has uncovered previously unknown vulnerabilities across diverse targets. An active contributor to the pfSense project, he’s applied backend and logging expertise to real-world networking software, reflecting a continued commitment to open-source security tooling. Based in Cocoa, Florida, he thrives in research-driven, collaborative settings and is known for translating deep technical insight into concise, business-facing remediation strategies.
17 years of coding experience
20 years of employment as a software developer
Electronics Engineering, Electronics Engineering at Benson Polytechnic
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
debug10
freebsd10
ipsec10
open-source10
firewall10
php10
pfsense10
logging10
networking9
regular-expression9
system-administration9
web-development8
configuration-management8
javascript8
security5
Programming languages (11)
Github contributions (5)
pfsense/pfsense-packages
Feb 2009 - Aug 2011
pfSense packages repository
Role in this project:
Back-end Developer
Back-end DeveloperContributions:47 commits in 2 years 6 months
Contributions summary:Bill primarily worked on the IMSpector package, focusing on fixing bugs and improving the log viewer functionality. They addressed issues related to parsing log formats, implemented new features, and integrated prototype JavaScript libraries. The user made changes to the backend PHP code to correctly display log data and improved the overall user experience. Additionally, they made some changes related to SSL configuration and responder support.
censorship-resistancepfsense
pfsense/pfsense
Jan 2009 - Oct 2012
Main repository for pfSense
Role in this project:Backend Developer
Backend DeveloperContributions:48 commits in 3 years 9 months
Contributions summary:Bill primarily contributed to the pfSense project by fixing bugs, updating code, and improving various functionalities. Their work included changes to files related to IPsec, firewall rules, DHCP configuration, and user interface elements. The user demonstrated an understanding of the pfSense system by modifying files related to core functionality like VPNs, logging, and default settings.
netmikofirewall-rulesrouterospfsensefreebsd
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