Jeff Holland
Lead Security Engineer - Codecov Sentry.io at Sentry (sentry.io)
Chicago, Illinois, Portugal
Summary
🤩
Rockstar🎓
Top SchoolJeff Holland is a Lead Security Engineer with a deep hands-on background in SIEM architecture, orchestration/automation, cloud security (AWS/GCP), and secure software development using Python, PowerShell, Perl and Bash. Over a multi-decade career spanning finance, legal, analytics and SaaS (including Codecov and Sentry), he has built and operated SOAR programs, tuned enterprise SIEMs, led incident response, and driven vulnerability management and compliance (SOC2, ISO 27001, HIPAA). He holds CISSP and other security certifications and pairs practical engineering—custom scripting, connector development and MDM administration—with strategic cloud architecture. Based in Chicago with ties to Portugal, Jeff is as comfortable diving into regex or SIEM content creation as he is shaping security programs for developer-centric platforms. An unusual strength is his mathematical training (BS/MS) informing a methodical, data-driven approach to detection engineering and risk prioritization.
4 years of coding experience
19 years of employment as a software developer
M.S., Mathematics, M.S., Mathematics at New Mexico State UniversityB.S., Mathematics, B.S., Mathematics at California State University San Marcos
English, Italian
Github Skills (17)
universal-binary10
monitoring10
error-logging10
sentry10
monitor10
python10
uploader10
django10
apm10
crash-reports10
performance-monitoring10
devops10
codecov9
endpoints7
api2
Programming languages (5)
Github contributions (5)
jeff-a-holland-codecov/Chain.py-Tenable-IO-Chained-Scanning-Application
Aug 2021 - Sep 2021
Python Application for creating/deleting/running "chained" vulnerability scans using Tenable IO via the API
Contributions:3 pushes, 4 branches in 15 days
apipythonsecuritytenablesecurity-testing
getsentry/security-advisories
Feb 2024 - Jul 2024
Contributions:3 issues in 5 months
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