Taliesin Sisson
Principal Cloud Architect at ION
London, England, United Kingdom
Summary
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RockstarTaliesin Sisson is a Principal Cloud Architect based in London with 16 years building cloud-native platforms, automation and developer self-service across finance, travel and media. He architects and delivers Azure, AWS and Kubernetes workspaces at scale—driving governance, Terragrunt/Terraform pipelines and onboarding hundreds of applications and teams. A pragmatic engineer, he has led projects from pitch to production (Azure sandbox governance, banking transformations, and easyJet environment automation) and implemented CI/CD, policy-driven catalogs and golden images to tame complexity. He contributes to open-source tooling—improving HashiCorp Packer with richer VM boot interactions and cross-platform fixes—reflecting his hands-on approach to infrastructure. Known for cultural change as much as code, he routinely converts legacy estates into automated, repeatable platforms and trains teams to operate them. Comfortable with both deep implementation (Go, Java, C#, Bash) and high-level strategy, he combines curiosity about AI-driven solutions with practical, auditable outcomes.
15 years of coding experience
12 years of employment as a software developer
Stackoverflow
471reputation
153kreached
25answers
0questions
Github Skills (11)
go10
powershell8
chocolatey6
64-bit6
windows6
nuget6
asp-net6
winapi6
visual-studio6
teamcity6
testing4
Programming languages (20)
Github contributions (5)
hashicorp/packer
Jun 2015 - Jul 2017
Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:112 commits, 9 PRs, 5 pushes in 2 years
Contributions summary:Taliesin primarily focused on enhancing the functionality of the packer tool. They implemented support for key modifiers (Ctrl, Shift, Alt) in the boot commands, enabling more complex interactions with the virtual machines. Additionally, the user addressed logging output formatting for improved clarity and maintained compatibility by correcting file paths for windows.
vagrantplatformslinuxpackerdocker
taliesins/Powershell.Deployment
Mar 2015 - Jun 2018
Contributions:38 pushes, 9 branches in 3 years 4 months
windowsdeploymentpowershellexepowershell-scripts
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