David Hazekamp
Principal Software Engineer at Fortinet
Orland Park, Illinois, United States
Summary
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Rockstar🎓
Top SchoolDavid Hazekamp is a Principal Software Engineer with over two decades of hands-on experience in security-focused software engineering, currently leading architecture efforts at Fortinet after senior roles at Lacework and Splunk. He blends deep expertise in vulnerability assessment, security architecture, and Splunk-based analytics with practical backend engineering—evidenced by his contributions to the widely used Sigma rule repository where he integrated Lacework support for agent and network telemetry. A BS in Computer Engineering from Illinois Institute of Technology underpins a career that spans enterprise security architecture, consulting, and product engineering across both startup and large-vendor environments. Known for turning complex security requirements into auditable, automated solutions, he often bridges product, detection engineering, and backend systems. Based in Orland Park, IL, he brings an engineer’s rigor to strategic security problems while still shipping code that directly improves detection and remediation workflows.
6 years of coding experience
19 years of employment as a software developer
BS, Computer Engineering, BS, Computer Engineering at Illinois Institute of Technology
Github Skills (14)
sigmajs10
event-manager10
siema10
back-end-development10
python10
yaml9
aws-elasticsearch7
amazon-elasticsearch7
elasticsearch-api7
monitoring7
elasticsearch7
ids7
elasticsearchquery7
logging7
Programming languages (6)
Github contributions (5)
SigmaHQ/sigma
Aug 2021 - Sep 2022
Main Sigma Rule Repository
Role in this project:
Back-end Engineer
Back-end EngineerContributions:2 reviews, 11 commits, 7 PRs in 1 year 1 month
Contributions summary:David primarily contributed to the Lacework backend integration for the Sigma rule repository. They introduced the Lacework backend, added authors, and implemented code to support agent data, including support for file creation and process creation events. The user also addressed policy-related aspects by adding remediation steps and implemented self-join filters, and bumped the Lacework config version. The user added support for network connections.
signaturessysmonrulesecurityids
hazedav/sigma
Aug 2021 - Sep 2022
Generic Signature Format for SIEM Systems
Contributions:6 reviews, 8 PRs, 31 pushes in 1 year 1 month
signaturesiemgenericsignature-pad
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