Dick Visser
Trust & Identity Service Operations Manager
Amsterdam, North Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolDick Visser is a Trust & Identity Service Operations Manager based in Amsterdam with 11 years of focused experience in internet and security services for research and higher education. He combines deep Linux systems expertise and SRE practices with hands-on IAM work—SAML/SSO, Shibboleth, SimpleSAMLphp and eduGAIN—running and hardening federated identity platforms at scale. A pragmatic engineer and former senior system/network lead, he’s comfortable from low-level networking and IPv6 to automation with Ansible/Puppet and containerized infrastructure on AWS. His open-source contributions to the widely used SimpleSAMLphp project show attention to code quality and practical feature work, like pre-production banners and authorization refactors. Trained in analytical chemistry and holding an MSc in System & Network Engineering, he brings a methodical, security-minded approach and a knack for solving cross-domain operational challenges.
11 years of coding experience
19 years of employment as a software developer
Bachelor of Applied Science (BASc), Analytical Chemistry, Bachelor of Applied Science (BASc), Analytical Chemistry at Hogeschool van AmsterdamMaster of Science (MSc), System & Network Engineering, Master of Science (MSc), System & Network Engineering at University of Amsterdam
Dutch, English, French, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
authentication10
php10
user-authentication10
twig10
saml10
xml9
authorizations8
css8
authorization8
Programming languages (15)
Github contributions (5)
simplesamlphp/simplesamlphp
Aug 2016 - Aug 2022
SimpleSAMLphp is an application written in native PHP that deals with authentication.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:25 commits, 27 PRs, 2 pushes in 6 years 1 month
Contributions summary:Dick primarily contributed to the SimpleSAMLphp project by addressing code quality and feature enhancements. Their work included removing inline style sheets, fixing XML validation, and adding a new warning color. The user also implemented the pre-production banner feature and refactored the authorization module. Additionally, the user updated image paths in CSS files and removed hardcoded tabs.
securityphpauthenticationsaml2saml
GEANT/accountlinker
Mar 2017 - Dec 2022
SimpleSaml Account Linking module
Contributions:5 releases, 8 commits, 10 PRs in 5 years 9 months
accountaccount-linkingocamllinking
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