Geoffrey Collis
Retired IT Consultant at Self
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolGeoffrey Collis is a retired IT consultant and seasoned infrastructure engineer with over two decades of hands-on experience at leading Internet and engineering firms including Yahoo, eBay, Kelkoo and Philips Semiconductors. He has driven high-stakes work spanning performance engineering, UNIX/Solaris administration, storage and SAN design, cloud-scale capacity planning, and cross-border acquisitions, often saving millions through procurement and standardization decisions. Calm, methodical and people-focused, he has led international teams and technical migrations (AIX→Linux, large-scale datacentre integrations) while mentoring Tier 1–3 staff and translating complex technical issues for non-technical stakeholders. Even in retirement he remains active—building a personal site, exploring IBM Watson/NLU, Python web stacks and Docker, and contributing architecture work for startups—reflecting a continual curiosity beyond traditional ops duties.
8 years of coding experience
26 years of employment as a software developer
PhD, PhD at The University of ManchesterBachelor's degree, Bachelor's degree at The Manchester Metropolitan University
English, French
Github Skills (42)
toml10
xml10
csv10
portable9
json9
bash9
yaml-processor9
yaml9
splat9
cli9
jq9
docker8
pods8
linux8
golang8
Programming languages (7)
Github contributions (5)
sjfke/GraideMemoire
Dec 2018 - Jun 2023
Simple Flask app to assist with learning those pesky lists
Contributions:99 PRs, 90 pushes, 26 branches in 4 years 7 months
pythonflask-apiflask-appflasklists
sjfke/tomcat-containers
Jan 2023 - Jan 2025
Containerized Tomcat JSP Servlet JDBC C.R.U.D Example using MariaDB
Contributions:4 releases, 138 PRs, 193 pushes in 2 years
spring-bootjspmysqlcontainerizeddocker
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