Jorrit Folmer
Software Engineer at 5TH COLUMN LLC
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolJorrit Folmer is a software engineer and cyber defense specialist with 11 years’ experience helping SOCs and security teams modernize monitoring and detection. He has green-fielded and migrated multiple SIEMs across government, finance, and MSSPs, translating ambitious security research into practical, auditable controls and implementation roadmaps. A prolific author of Splunk add-ons in Python, he routinely bridges data engineering and blue-team analytics to onboard novel security data sources. Based in The Hague, he combines hands-on development with advisory-level thinking, often presenting on data-driven defense topics and exploring unconventional approaches to SOC engineering.
11 years of coding experience
TU Delft
Github Skills (96)
apikey10
streaming10
puppet10
splunk10
dmarc10
logstash10
jruby10
aggregate10
java10
apt10
transport10
etl-framework10
logging10
linux9
pipeline9
Programming languages (8)
Github contributions (5)
jorritfolmer/TA-ct-log
May 2018 - Nov 2020
Contributions:1 release, 16 pushes, 2 branches in 2 years 7 months
jorritfolmer/TA-djbdns
Aug 2015 - Dec 2020
Contributions:11 pushes, 1 branch, 2 issues in 5 years 5 months
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