Vegard Hagen
Senior Database Consultant
Oslo, Norway
Summary
👤
Senior🎓
Top SchoolVegard Hagen is a seasoned Senior Database Consultant based in Oslo with over two decades of hands‑on experience operating complex, business‑critical database systems across 6 continents and 24 time zones. His deep expertise evolved from Sybase into a decade-plus focus on Microsoft SQL Server, covering production support, disaster recovery, performance tuning, capacity planning and large‑scale migrations. At Cegal he helps teams turn databases into reliable parts of their story, preferring remote or local engagements after years of extensive travel. He also contributes to open‑source Kubernetes tooling—notably improving TLS/Gateway API behavior in the widely used cert-manager project—bringing rigorous testing and refactoring skills to distributed systems. Known for enjoying technical puzzles and knowledge sharing, Vegard combines practical operational mastery with a collaborative, team‑centric mindset.
12 years of coding experience
Lindås gymnasInformation science, Administration and organization science, Information science, Administration and organization science at Universitetet i Bergen (UiB)
English, Norwegian, Norwegian, German, Russian, Ukrainian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (14)
mtls10
aws-apigateway10
kubernetes10
amazon-api-gateway10
ca-api-gateway10
certificate10
go10
tls1210
api-gateway10
tls1310
kubernetes-pods10
libtls10
testing10
crt8
Programming languages (13)
Github contributions (5)
cert-manager/cert-manager
May 2024 - Feb 2025
Automatically provision and manage TLS certificates in Kubernetes
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 PR, 6 comments, 1 issue in 9 months
Contributions summary:Vegard primarily contributed to the `cert-manager` project by implementing and refining features related to the Gateway API integration. Their work included adding tests for Gateway TLS listeners, fixing issues with TLS passthrough mode, refactoring code, and improving the handling of TLS configurations. The user's contributions focused on ensuring the correct behavior of certificate issuance within the Kubernetes environment when using the Gateway API. The user appears to be deeply involved with testing and refactoring the implementation.
cert-managerletsencryptssltlscertificates
linjeforeningen-delta/deltabeer
May 2021 - Nov 2024
Contributions:30 PRs, 79 pushes, 35 branches in 3 years 6 months
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