Bjarke Bruun
Network And Systems Administrator
Copenhagen, Capital Region of Denmark
Summary
👤
SeniorBjarke Bruun is a Network and Systems Administrator with nine years of hands-on experience in GNU/Linux, networking, TCP/IP, firewalls, and MySQL, based in Copenhagen. He currently supports infrastructure at Sinch while also serving as CTO and partner at ProPerson Consult Aps, blending operational rigor with strategic leadership. Comfortable scripting and automating in shell, he contributes to prominent open-source projects—adding a DNS provider implementation to the widely used acme.sh ACME client—to streamline certificate issuance workflows. Bjarke’s daily practice spans servers to Android devices, and he brings a pragmatic, security-minded approach to network services and DNS automation. His background suggests a passion for living and breathing sysadmin work, turning low-level protocol knowledge into reliable, production-ready systems.
10 years of coding experience
Github Skills (12)
sh10
apim10
script10
bash10
shell10
api10
dns10
acme10
scripting10
posix9
posixct9
acme-protocol8
Programming languages (7)
Github contributions (5)
acmesh-official/acme.sh
Jun 2022 - Sep 2022
A pure Unix shell script ACME client for SSL / TLS certificate automation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 25 commits, 2 PRs in 2 months
Contributions summary:Bjarke implemented a new DNS provider script for `dns.services`, adding functionality to create and delete DNS records for ACME challenges. They wrote shell scripts to interact with the DNS services API, including functions for adding and removing TXT records. The user's changes involve setting up API headers, interacting with the API, and handling responses for DNS record management.
automationshellsslunixacme
bbruun/k3s-getting-started
Sep 2019 - Jan 2022
Getting started with K3S
Contributions:34 commits, 28 pushes, 1 branch in 2 years 4 months
k3s
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