Tristan Leo
IT Security & Site Reliability Lead at sipgate
Dusseldorf, North Rhine-Westphalia, Germany
Summary
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Senior🎓
Top SchoolTristan Leo is an IT Security and Site Reliability leader with 16 years of experience building resilient telecom infrastructure at sipgate, where he progressed from senior software engineer to current lead for SRE and security. He combines deep hands-on skills in Java, Kotlin, Clojure and Ansible with practical expertise in load balancing and CI/CD to run production-critical systems. Tristan blends engineering management and technical product ownership, routinely translating operational requirements into secure, automated platforms. Based in Düsseldorf, he’s known for pairing developer-friendly tooling with pragmatic security controls—bringing the mindset of a longtime practitioner to policy and incident work. An early career full-stack web developer turned DevOps specialist, he retains a developer’s attention to detail while leading cross-functional reliability efforts.
16 years of coding experience
11 years of employment as a software developer
none, Computer Sience, none, Computer Sience at HS Niederrhein
Stackoverflow
1reputation
0reached
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Github Skills (127)
swagger10
lua10
rest-api10
nvim10
graphite10
database10
dsl10
java10
opentsdb10
promql10
neovim-plugin10
kotlin10
spec10
audio-files10
neovim10
Programming languages (14)
Github contributions (5)
derveloper/derveloper.github.io
Dec 2016 - Jan 2024
Contributions:5 pushes, 1 branch in 7 years 2 months
derveloper/tdtk
Jan 2023 - Feb 2023
This is a collection of tools I use daily, all in a handy interactive cli tool
Contributions:10 releases, 53 commits, 2 PRs in 15 days
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