Bart Geesink
Tech Lead SURF Developer Platform
Wageningen, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolBart Geesink is a tech lead and seasoned infrastructure engineer with over a decade of experience building and operating secure, highly available hosting and developer platforms. Trained as an agricultural engineer, he pivoted into IT and has since held senior roles managing virtualization, Linux, firewalls, DNS, mail, databases and large-scale hosting operations across organizations like SURF, SURFnet and dotXS. He blends hands-on systems expertise with product-level trust and security management, now guiding the SURF Developer Platform. His background includes low-cost computing projects in Cambodia, showing a practical focus on resilient technology in resource-constrained environments. Colleagues describe him as easygoing, team-oriented and driven to continuously learn new technologies.
10 years of coding experience
20 years of employment as a software developer
BSc, Irrigation and Watermanagement, BSc, Irrigation and Watermanagement at Wageningen University & Research
Github Skills (100)
saml10
authentication10
proxy10
automation10
simplesamlphp10
ansible10
pdp10
ats10
openidc10
gateway10
deployment-automation10
docker10
openconext10
idp10
service-provider10
Programming languages (11)
Github contributions (5)
OpenConext/OpenConext-devconf
Apr 2023 - Jan 2025
Contains configuration file to get an development environment up and running
Contributions:17 reviews, 11 PRs, 79 pushes in 1 year 9 months
OpenConext/OpenConext-deploy
Oct 2015 - Jan 2023
Ansible-based deployment automation for the OpenConext platform
Contributions:4 releases, 80 reviews, 1455 commits in 7 years 4 months
deploymentansibledeployopenconextautomation
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