Reynir Kristbjörnsson
Senior Batch Automation Specialist, Owning Partner At Batch Automation P S
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top SchoolReynir Kristbjörnsson is a Senior Batch Automation Specialist and founding partner at Batch Automation P/S with 15+ years designing, programming, qualifying and commissioning regulated pharmaceutical process and MES integrations. He is a DeltaV expert who pairs deep knowledge of GMP/GAMP and S88 with hands-on experience across PAS‑X, Syncade, ABB, Siemens and Allen‑Bradley platforms, and routinely authors OQ and commissioning protocols. A former ANSI C software engineer with practical database skills, Reynir also contributes to open-source unikernel and tooling projects like MirageOS and Solo5, demonstrating low‑level systems fluency beyond typical automation roles. Based in Copenhagen, he brings a rare blend of control-theory academic training (DTU MSc) and cross-industry delivery, from pharma to breweries and aluminum casting, which helps him translate complex regulatory needs into robust, auditable automation solutions.
15 years of coding experience
15 years of employment as a software developer
Menntaskólinn við SundTechnical University of DenmarkBachelor in Science Electrical Engineering, Electrical, Electronics and Communications Engineering, BSc, Bachelor in Science Electrical Engineering, Electrical, Electronics and Communications Engineering, BSc at University of Iceland (Háskóli Íslands)
Github Skills (38)
git10
device-management10
typeclass10
gameplay10
c1110
videogames10
ocaml10
rpg10
c1710
blockdevice10
lua10
mirage10
idris10
error-handling10
logging10
Programming languages (21)
Github contributions (5)
mirage/mirage
Aug 2019 - Oct 2022
MirageOS is a library operating system that constructs unikernels
Role in this project:
Back-end Developer
Back-end DeveloperContributions:31 reviews, 10 commits, 24 PRs in 3 years 3 months
Contributions summary:Reynir primarily contributed to the MirageOS library operating system, focusing on improving and updating the core system functionalities. Their work involved updating constraints for dependencies like mirage-xen, refactoring code, updating deprecated references, and improving logging functionalities. Additionally, the user made changes to resolver configurations and key definitions.
kernelvdikvmoperating-systemlinux
ocaml/opam
Feb 2016 - Nov 2022
opam is a source-based package manager. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow.
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 4 PRs, 10 comments in 6 years 9 months
Contributions summary:Reynir primarily focused on improving the `opam` package manager's command-line interface. They refined argument handling for the `install -j` option, ensuring positive integer inputs. Additionally, the user addressed reproducibility issues in Git and Mercurial integrations by using full revision hashes. They also made a minor adjustment to the bwrap setup file.
workflowpackage-managerpackage-basedocamlinstallations
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