Rolf Vreijdenberger
Security Strategy And Policy Advisor At KPN CISO
Breda, North Brabant, Netherlands
Summary
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SeniorRolf Vreijdenberger is a seasoned information security and software professional with 13 years of experience at KPN where he progressed from software engineer and architect roles into strategic security leadership as Security Strategy and Policy Advisor for the CISO office. He blends hands-on engineering (DevOps, platform and application architecture) with security consulting and policy work, enabling secure delivery across both consumer and enterprise domains. His background includes founding a digital agency, teaching university courses in programming, and freelancing—evidence of strong communication and mentorship skills alongside technical depth. Based in Breda, he’s known for turning complex operational and security requirements into practical, auditable solutions that scale across large telecom environments.
13 years of coding experience
22 years of employment as a software developer
Github Skills (86)
python10
state-machine10
raml10
raspberry-pi10
mqtt9
home-automation9
database-migration9
security9
checkmarx9
keyboard-events9
logger9
tui9
asyncio9
php9
security-scanner9
Programming languages (10)
Github contributions (5)
rolfvreijdenberger/izzum-statemachine
Sep 2014 - Aug 2017
A superior finite state machine library for php >= 5.3 including php 7
Contributions:11 releases, 219 commits, 4 PRs in 2 years 11 months
phpstate-machine
rolfvreijdenberger/dotfiles
Aug 2017 - Dec 2021
Contributions:51 commits, 62 pushes, 1 branch in 4 years 4 months
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