Clifford Sekel
Security Architect at GCyber
Carlisle, Pennsylvania, United States
Summary
🤩
Rockstar🎓
Top SchoolClifford Sekel is a Security Architect with a decade of hands-on experience designing and hardening enterprise and DoD networks, currently leading security architecture at GCyber from Carlisle, PA. He combines deep SIEM and sensor expertise with Unix systems engineering, having progressed from frontline customer support and incident analysis to senior ISSE and architecture roles. Clifford has a practical bent—building and configuring sensors, applying STIG baselines, and integrating tooling like Sourcefire and ArcSight—paired with a formal BS in Cybersecurity and Information Assurance. He also maintains long-running open-source/system projects through PureDarwin, reflecting sustained community engagement beyond his day job. Notably, his career shows a consistent thread of turning tactical operational experience into repeatable, auditable security controls for high-stakes environments.
10 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Cybersecurity and Information Assurance, Bachelor of Science - BS, Cybersecurity and Information Assurance at Western Governors University
Github Skills (39)
xpc10
vmdk10
css10
darwin10
html10
macos10
operating-system10
xnu9
launchd7
build-automation7
kernel6
plist6
acpi5
driver4
foundation4
Programming languages (7)
Github contributions (5)
PureDarwin/puredarwin.github.io
Oct 2016 - Jul 2020
Website for the PureDarwin project
Contributions:87 commits, 20 PRs, 102 pushes in 3 years 9 months
css
PureDarwin/darwin-xnu
Jul 2020 - Sep 2020
The Darwin Kernel (mirror)
Contributions:7 commits, 2 PRs, 1 push in 2 months
kernel
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